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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
☒      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended June 30, 2024
OR
☐      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from to
Commission File Number: 1-36691
Booking Holdings Inc.
(Exact name of registrant as specified in its charter)
Delaware06-1528493
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
800 Connecticut Avenue
Norwalk, Connecticut 06854
(Address of principal executive offices) (Zip Code)
Registrant's telephone number, including area code: (203) 299-8000
Former name, former address and former fiscal year, if changed since last report: N/A
 _____________________________________________________________________________________________
 Securities registered pursuant to Section 12(b) of the Act:
Title of Each Class: Trading Symbol(s)Name of each exchange on which registered:
Common Stock par value $0.008 per share BKNGThe NASDAQ Global Select Market
2.375% Senior Notes Due 2024BKNG 24The NASDAQ Stock Market LLC
0.100% Senior Notes Due 2025BKNG 25The NASDAQ Stock Market LLC
4.000% Senior Notes Due 2026BKNG 26The NASDAQ Stock Market LLC
1.800% Senior Notes Due 2027BKNG 27The NASDAQ Stock Market LLC
0.500% Senior Notes Due 2028BKNG 28The NASDAQ Stock Market LLC
3.625% Senior Notes Due 2028BKNG 28AThe NASDAQ Stock Market LLC
4.250% Senior Notes Due 2029BKNG 29The NASDAQ Stock Market LLC
3.500% Senior Notes Due 2029BKNG 29AThe NASDAQ Stock Market LLC
4.500% Senior Notes Due 2031BKNG 31The NASDAQ Stock Market LLC
3.625% Senior Notes Due 2032BKNG 32The NASDAQ Stock Market LLC
4.125% Senior Notes Due 2033BKNG 33 The NASDAQ Stock Market LLC
4.750% Senior Notes Due 2034BKNG 34The NASDAQ Stock Market LLC
3.750% Senior Notes Due 2036BKNG 36The NASDAQ Stock Market LLC
4.000% Senior Notes Due 2044BKNG 44The NASDAQ Stock Market LLC
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes ☒ No ☐
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes ☒ No ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act. 
Large accelerated filer
☒
Accelerated filer ☐Non-accelerated filer ☐
Smaller reporting company
☐
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes ☐ No ☒


Number of shares of Common Stock outstanding at July 25, 2024:
Common Stock, par value $0.008 per share33,524,388
(Class)(Number of Shares)


Booking Holdings Inc.
Form 10-Q
 
For the Three Months Ended June 30, 2024
 
PART I - FINANCIAL INFORMATION 
  
Item 1. Financial Statements
  
Consolidated Balance Sheets at June 30, 2024 (Unaudited) and December 31, 2023
Consolidated Statements of Operations (Unaudited) For the Three and Six Months Ended June 30, 2024 and 2023
Consolidated Statements of Comprehensive Income (Unaudited) For the Three and Six Months Ended June 30, 2024 and 2023
Consolidated Statements of Changes in Stockholders' Deficit (Unaudited) For the Three and Six Months Ended June 30, 2024 and 2023
Consolidated Statements of Cash Flows (Unaudited) For the Six Months Ended June 30, 2024 and 2023
Notes to Unaudited Consolidated Financial Statements
  
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations
  
Item 3. Quantitative and Qualitative Disclosures About Market Risk
  
Item 4. Controls and Procedures
  
PART II - OTHER INFORMATION 
  
Item 1. Legal Proceedings
Item 1A. Risk Factors
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
Item 5. Other Information
Item 6. Exhibits
  
SIGNATURES
3

PART I — FINANCIAL INFORMATION
Item 1.  Financial Statements

Booking Holdings Inc.
CONSOLIDATED BALANCE SHEETS
(In millions, except share and per share data)
 June 30,
2024		December 31,
2023
(Unaudited)
ASSETS  
Current assets:  
Cash and cash equivalents$16,290 $12,107 
Short-term investments (Available-for-sale debt securities:
Amortized cost of $37 and $580, respectively)
37 576 
Accounts receivable, net (Allowance for expected credit losses of $111 and $137, respectively)
3,814 3,253 
Prepaid expenses, net670 644 
Other current assets482 454 
Total current assets21,293 17,034 
Property and equipment, net875 784 
Operating lease assets637 705 
Intangible assets, net1,498 1,613 
Goodwill2,814 2,826 
Long-term investments468 440 
Other assets, net956 940 
Total assets$28,541 $24,342 
LIABILITIES AND STOCKHOLDERS' DEFICIT  
Current liabilities:  
Accounts payable$3,928 $3,480 
Accrued expenses and other current liabilities3,900 4,635 
Deferred merchant bookings6,931 3,254 
Short-term debt3,447 1,961 
Total current liabilities18,206 13,330 
Deferred income taxes264 258 
Operating lease liabilities529 599 
Long-term U.S. transition tax liability257 515 
Other long-term liabilities200 161 
Long-term debt13,361 12,223 
Total liabilities32,817 27,086 
Commitments and contingencies (see Note 13)
Stockholders' deficit:  
Common stock, $0.008 par value,
Authorized shares: 1,000,000,000
Issued shares: 64,258,892 and 64,048,000, respectively
— — 
Treasury stock: 30,622,956 and 29,650,351 shares, respectively
(44,958)(41,426)
Additional paid-in capital7,479 7,175 
Retained earnings33,527 31,830 
Accumulated other comprehensive loss(324)(323)
Total stockholders' deficit(4,276)(2,744)
Total liabilities and stockholders' deficit$28,541 $24,342 
    
See Notes to Unaudited Consolidated Financial Statements.
4

Booking Holdings Inc.
UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS
(In millions, except share and per share data)
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2024202320242023
Merchant revenues$3,446 $2,770 $5,834 $4,522 
Agency revenues2,144 2,429 3,907 4,211 
Advertising and other revenues269 263 533 507 
Total revenues5,859 5,462 10,274 9,240 
Operating expenses:  
Marketing expenses1,939 1,801 3,549 3,318 
Sales and other expenses820 717 1,498 1,287 
Personnel, including stock-based compensation of $140, $128, $284, and $241, respectively
807 752 1,633 1,474 
General and administrative112 254 298 516 
Information technology183 144 370 281 
Depreciation and amortization142 121 279 241 
Total operating expenses4,003 3,789 7,627 7,117 
Operating income1,856 1,673 2,647 2,123 
Interest expense(264)(241)(483)(435)
Interest and dividend income293 266 536 494 
Other income (expense), net37 (80)159 (261)
Income before income taxes1,922 1,618 2,859 1,921 
Income tax expense401 328 562 365 
Net income$1,521 $1,290 $2,297 $1,556 
Net income applicable to common stockholders per basic common share$44.94 $35.16 $67.51 $41.88 
Weighted-average number of basic common shares outstanding (in 000's)33,839 36,678 34,023 37,147 
Net income applicable to common stockholders per diluted common share$44.38 $34.89 $66.60 $41.51 
Weighted-average number of diluted common shares outstanding (in 000's)34,267 36,964 34,486 37,471 

See Notes to Unaudited Consolidated Financial Statements.

5

Booking Holdings Inc.
UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(In millions)
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Net income$1,521 $1,290 $2,297 $1,556 
Other comprehensive income (loss), net of tax (1)
32 (24)(1)(24)
Comprehensive income$1,553 $1,266 $2,296 $1,532 
(1)    Primarily consists of foreign currency translation adjustments (see Note 12).

See Notes to Unaudited Consolidated Financial Statements.
6

Booking Holdings Inc.
UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT
(In millions, except share data)
 
Common StockTreasury StockAdditional Paid-in CapitalRetained EarningsAccumulated Other Comprehensive LossTotal
Shares
(in 000's)		AmountShares
(in 000's)		Amount
Three Months Ended June 30, 2024
Balance, March 31, 202464,252 $— (30,186)$(43,330)$7,330 $32,304 $(356)$(4,052)
Net income— — — — — 1,521 — 1,521 
Other comprehensive income, net of tax— — — — — — 32 32 
Exercise of stock options and vesting of restricted stock units and performance share units7 — — — 3 — — 3 
Stock-based compensation— — — — 146 — — 146 
Repurchase of common stock— — (437)(1,628)— — — (1,628)
Dividends— — — — — (298)— (298)
Balance, June 30, 202464,259 $— (30,623)$(44,958)$7,479 $33,527 $(324)$(4,276)
Six Months Ended June 30, 2024
Balance, December 31, 202364,048 $— (29,650)$(41,426)$7,175 $31,830 $(323)$(2,744)
Net income— — — — — 2,297 — 2,297 
Other comprehensive loss, net of tax— — — — — — (1)(1)
Exercise of stock options and vesting of restricted stock units and performance share units211 — — — 9 — — 9 
Stock-based compensation— — — — 295 — — 295 
Repurchase of common stock— — (973)(3,532)— — — (3,532)
Dividends— — — — — (600)— (600)
Balance, June 30, 202464,259 $— (30,623)$(44,958)$7,479 $33,527 $(324)$(4,276)
7

Common StockTreasury StockAdditional Paid-in CapitalRetained EarningsAccumulated Other Comprehensive Loss
Shares
(in 000's)		AmountShares
(in 000's)		AmountTotal
Three Months Ended June 30, 2023
Balance, March 31, 202364,008 $— (26,796)$(33,178)$6,712 $27,807 $(267)$1,074 
Net income— — — — — 1,290 — 1,290 
Other comprehensive loss, net of tax— — — — — — (24)(24)
Exercise of stock options and vesting of restricted stock units and performance share units7 — — — 4 — — 4 
Stock-based compensation— — — — 132 — — 132 
Repurchase of common stock— — (1,178)(3,141)— — — (3,141)
Balance, June 30, 202364,015 $— (27,974)$(36,319)$6,848 $29,097 $(291)$(665)
Six Months Ended June 30, 2023
Balance, December 31, 202263,781 $— (25,918)$(30,983)$6,491 $27,541 $(267)$2,782 
Net income— — — — — 1,556 — 1,556 
Other comprehensive loss, net of tax— — — — — — (24)(24)
Exercise of stock options and vesting of restricted stock units and performance share units234 — — — 109 — — 109 
Stock-based compensation— — — — 248 — — 248 
Repurchase of common stock— — (2,056)(5,336)— — — (5,336)
Balance, June 30, 202364,015 $— (27,974)$(36,319)$6,848 $29,097 $(291)$(665)

See Notes to Unaudited Consolidated Financial Statements.

8

Booking Holdings Inc.
UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS
(In millions)
 Six Months Ended
June 30,
 20242023
OPERATING ACTIVITIES:
Net income$2,297 $1,556 
Adjustments to reconcile net income to net cash provided by operating activities: 
Depreciation and amortization279 241 
Provision for expected credit losses and chargebacks184 135 
Deferred income tax benefit(2)(389)
Net losses on equity securities5 167 
Stock-based compensation expense284 241 
Operating lease amortization79 80 
Unrealized foreign currency transaction (gains) losses related to Euro-denominated debt(235)34 
Other8 — 
Changes in assets and liabilities: 
Accounts receivable(830)(672)
Prepaid expenses and other current assets(33)(90)
Deferred merchant bookings and other current liabilities3,337 3,129 
Other(144)194 
Net cash provided by operating activities5,229 4,626 
INVESTING ACTIVITIES: 
Proceeds from sale and maturity of investments515 1,737 
Additions to property and equipment(276)(180)
Other investing activities(33)(10)
Net cash provided by investing activities206 1,547 
FINANCING ACTIVITIES:
Proceeds from the issuance of long-term debt2,959 1,893 
Payment on maturity of debt— (500)
Payments for repurchase of common stock (3,518)(5,249)
Dividends paid(594)— 
Proceeds from exercise of stock options9 109 
Other financing activities(38)(40)
Net cash used in financing activities(1,182)(3,787)
Effect of exchange rate changes on cash and cash equivalents and restricted cash and cash equivalents(59)(7)
Net increase in cash and cash equivalents and restricted cash and cash equivalents4,194 2,379 
Total cash and cash equivalents and restricted cash and cash equivalents, beginning of period 12,135 12,251 
Total cash and cash equivalents and restricted cash and cash equivalents, end of period $16,329 $14,630 

See Notes to Unaudited Consolidated Financial Statements.
9

Booking Holdings Inc.
Notes to Unaudited Consolidated Financial Statements
 
1.    BASIS OF PRESENTATION
 
Management of Booking Holdings Inc. (the "Company") is responsible for the Unaudited Consolidated Financial Statements included in this document, which have been prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") and include all normal and recurring adjustments that management of the Company considers necessary for a fair presentation of its financial position and operating results. The Company prepared the Unaudited Consolidated Financial Statements following the requirements of the Securities and Exchange Commission for interim reporting. As permitted under those rules, the Company condensed or omitted certain footnotes or other financial information that are normally required by U.S. GAAP for annual financial statements. These Unaudited Consolidated Financial Statements should be read in combination with the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.
 
The Unaudited Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiaries, including acquired businesses from the dates of acquisition. All intercompany accounts and transactions have been eliminated in consolidation. The functional currency of the Company's subsidiaries is generally the respective local currency. For international operations, assets and liabilities are translated into U.S. Dollars at the rate of exchange existing at the balance sheet date. Income statement amounts are translated at monthly average exchange rates applicable for the period. Translation gains and losses are included as a component of "Accumulated other comprehensive loss" in the accompanying Consolidated Balance Sheets. Foreign currency transaction gains and losses are included in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations.
 
Revenues, expenses, assets, and liabilities can vary during each quarter of the year. Therefore, the results and trends in these interim financial statements may not be the same as those for any subsequent quarter or the full year.

Reclassification

Certain amounts from prior periods have been reclassified to conform to the current period presentation. These include the reclassification of certain indirect taxes, primarily digital services taxes, between "General and administrative" expenses and "Sales and other expenses" in the Unaudited Consolidated Statements of Operations. See Notes 2 and 21 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Recent Accounting Pronouncements

See "Recent Accounting Pronouncements Adopted" and "Other Recent Accounting Pronouncements" in Note 2 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Improved guidance to help determine transactions to be accounted for as share-based payment arrangements
    
In March 2024, the Financial Accounting Standards Board issued an Accounting Standards Update adding illustrative guidance to help entities determine whether profits interest and similar awards should be accounted for as share-based payment arrangements within the scope of the Accounting Standards Codification ("ASC") 718, Compensation - Stock Compensation. The update is effective for annual and interim financial statements beginning with the fiscal year 2025. The Company is currently evaluating the impact of the update on its Consolidated Financial Statements.

10

2.    REVENUES

Disaggregation of Revenues

Geographic Information

The Company's revenues from its businesses outside of the U.S. consists of the results of Booking.com, Agoda, and Rentalcars.com in their entirety and the results of the KAYAK and OpenTable businesses located outside of the U.S. This classification is independent of where the consumer resides, where the consumer is physically located while using the Company's services, or the location of the travel service provider or restaurant. For example, a reservation made through Booking.com (which is domiciled in the Netherlands) at a hotel in New York by a consumer in the U.S. is part of the results of the Company's businesses outside of the U.S. The Company's geographic information on revenues is as follows (in millions):
Outside of the U.S.
U.S.The NetherlandsOtherTotal Company
Total revenues for the three months ended June 30,
2024$638 $4,463 $758 $5,859 
2023$615 $4,340 $507 $5,462 
Total revenues for the six months ended June 30,
2024$1,195 $7,802 $1,277 $10,274 
2023$1,138 $7,199 $903 $9,240 

Revenues by Type of Service

Approximately 89% of the Company's revenues for the three and six months ended June 30, 2024 and 2023 relate to online accommodation reservation services. Revenues from all other sources of online travel reservation services and advertising and other revenues each individually represent less than 10% of the Company's total revenues for each period.

Consumer Incentive Programs

At June 30, 2024 and December 31, 2023, liabilities of $112 million and $149 million, respectively, were included in "Accrued expenses and other current liabilities" in the Consolidated Balance Sheets for incentives granted to consumers, including referral bonuses, rebates, credits, discounts, and loyalty programs.

Deferred Merchant Bookings

Cash payments received from travelers in advance of the Company completing its performance obligations are included in "Deferred merchant bookings" in the Company's Consolidated Balance Sheets and are comprised principally of amounts estimated to be payable to travel service providers as well as the Company's estimated future revenue for its commission or margin and fees. The amounts are mostly subject to refunds for cancellations.

11

3.    STOCK-BASED COMPENSATION
 
The Company maintains equity incentive plans that include broad-based grants of restricted stock units, performance share units granted to officers and certain other employees, and stock options granted to certain employees.

Restricted stock units and performance share units granted by the Company during the six months ended June 30, 2024 had an aggregate grant-date fair value of $620 million. Restricted stock units and performance share units that vested during the six months ended June 30, 2024 had an aggregate fair value at vesting of $716 million. At June 30, 2024, there was $991 million of estimated total future stock-based compensation expense related to unvested restricted stock units and performance share units to be recognized over a weighted-average period of 2.1 years.

The following table summarizes the activity in restricted stock units and performance share units for employees and non-employee directors during the six months ended June 30, 2024: 
Restricted Stock UnitsPerformance Share Units
SharesWeighted-average Grant-date Fair ValueSharesWeighted-average Grant-date Fair Value
Unvested at December 31, 2023 (1)
291,404$2,404233,026$2,467
Granted (2)
139,749$3,51235,301$3,660
Vested(128,741)$2,327(76,070)$2,452
Performance shares adjustment (3)
(102)$3,429
Forfeited(8,110)$2,689(3,994)$2,532
Unvested at June 30, 2024294,302$2,957188,161$2,695
(1)    Excludes 4,399 performance share units awarded during the year ended December 31, 2022 for which the grant date under ASC 718, Compensation - Stock Compensation, was not established as of December 31, 2023. Among other conditions, for the grant date to be established, a mutual understanding is required to be reached between the Company and the employee of the key terms and conditions of the award, including the performance targets. The performance targets for each of the annual performance periods under the award are set at the beginning of the respective year.
(2)    Includes 4,399 performance share units awarded during the year ended December 31, 2022 for which the grant date under ASC 718 was established.
(3)    Probable outcome for performance-based awards is updated based upon changes in actual and forecasted operating results or expected achievement of performance goals, as applicable, and the impact of modifications, if any.

The following table summarizes the activity in stock options during the six months ended June 30, 2024:
Employee Stock OptionsNumber of SharesWeighted-average Exercise PriceAggregate
 Intrinsic Value (in millions)		Weighted-average Remaining Contractual Term
(in years)
Balance, December 31, 202325,523 $1,411$55 6.4
Exercised
(6,720)$1,411$14 
Balance, June 30, 202418,803 $1,411$48 5.9
Exercisable at June 30, 202418,803 $1,411$48 5.9

12

4.    NET INCOME PER SHARE
 
The Company computes basic net income per share by dividing net income applicable to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net income per share is based upon the weighted-average number of common and common equivalent shares outstanding during the period. Only dilutive common equivalent shares that decrease the net income per share are included in the computation of diluted net income per share.

Common equivalent shares related to stock options, restricted stock units, and performance share units are calculated using the treasury stock method. Performance share units are included in the weighted-average common equivalent shares based on the number of shares that would be issued if the end of the reporting period were the end of the performance period, if the result would be dilutive.

The Company's convertible senior notes have net share settlement features requiring the Company, upon conversion, to settle the principal amount of the debt for cash and the conversion premium for cash or shares of the Company's common stock, at the Company's option. If the conversion prices for the convertible senior notes exceed the Company's average stock price for the period, the convertible senior notes generally have no impact on diluted net income per share. The Company uses the if-converted method for the convertible senior notes in the calculation of diluted net income per share.

A reconciliation of the weighted-average number of shares outstanding used in calculating diluted net income per share is as follows (in thousands):
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2024202320242023
Weighted-average number of basic common shares outstanding33,839 36,678 34,023 37,147 
Weighted-average dilutive stock options, restricted stock units, and performance share units
183 157 236 200 
Assumed conversion of convertible senior notes245 129 227 124 
Weighted-average number of diluted common and common equivalent shares outstanding
34,267 36,964 34,486 37,471 

5.    INVESTMENTS

The following table summarizes the Company's investments by major security type at June 30, 2024 (in millions): 
 CostGross
Unrealized Gains /Upward Adjustments		Gross
Unrealized Losses /Downward Adjustments		Carrying Value
Short-term investments:
Debt securities (1)
$37 $— $— $37 
Long-term investments:
Equity securities with readily determinable fair values$715 $— $(392)$323 
Equity securities of private entities111 259 (225)145 
Total long-term investments$826 $259 $(617)$468 
(1)    Primarily consists of corporate debt securities.

13

The following table summarizes the Company's investments by major security type at December 31, 2023 (in millions):
 CostGross
Unrealized Gains/Upward Adjustments
Gross
Unrealized Losses/Downward Adjustments
Carrying
 Value
Short-term investments:
Debt securities:
International government securities$63 $— $— $63 
U.S. government securities (1)
152 — (1)151 
Corporate debt securities365 — (3)362 
Total short-term investments$580 $— $(4)$576 
Long-term investments:
Equity securities with readily determinable fair values$715 $— $(404)$311 
Equity securities of private entities78 259 (208)129 
Total long-term investments$793 $259 $(612)$440 
(1)    Includes investments in U.S. municipal bonds.

The Company has classified its investments in debt securities as available-for-sale debt securities. The aggregate unrealized gains and losses on the available-for-sale debt securities, net of tax, are included in "Accumulated other comprehensive loss" in the Consolidated Balance Sheets. The Company's investments in available-for-sale debt securities at June 30, 2024 had investment grade credit quality ratings.

Equity securities with readily determinable fair values include the Company's investments in DiDi Global Inc. and Grab Holdings Limited, with fair values of $163 million and $150 million, respectively, at June 30, 2024 and $155 million and $143 million, respectively, at December 31, 2023. Net unrealized gains (losses) related to these investments are included in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations for the three and six months ended June 30, 2024 and 2023. During the six months ended June 30, 2023, the Company sold its entire investment in Meituan for $1.7 billion, resulting in a loss of $149 million included in "Other income (expense), net" in the Unaudited Consolidated Statement of Operations for the six months ended June 30, 2023. The cost basis of the Company's investment in Meituan was $450 million.

The Company's investments in equity securities of private entities at June 30, 2024 and December 31, 2023 include $51 million originally invested in Yanolja Co., Ltd. ("Yanolja"). The Company evaluated its investment in Yanolja for impairment as of June 30, 2023 and recognized an impairment charge of $24 million during the three and six months ended June 30, 2023 (see Note 6). The carrying value of the Company's investment in Yanolja was $98 million at June 30, 2024 and December 31, 2023.

6.    FAIR VALUE MEASUREMENTS

There are three levels of inputs to valuation techniques used to measure fair value:
Level 1: Quoted prices in active markets that are accessible by the Company at the measurement date for identical assets and liabilities.
Level 2: Inputs that are observable, either directly or indirectly. Such prices may be based upon quoted prices for identical or comparable securities in active markets or inputs not quoted on active markets, but corroborated by market data.
Level 3: Unobservable inputs are used when little or no market data is available.

14

Financial assets and liabilities measured at fair value on a recurring basis at June 30, 2024 are classified in the categories described in the table below (in millions):
 Level 1Level 2Total
Recurring fair value measurements (1)
ASSETS:
Cash equivalents and restricted cash equivalents:
Money market fund investments$15,024 $— $15,024 
Certificates of deposit61 — 61 
Short-term investments:   
Debt securities— 37 37 
Long-term investments:
Equity securities323 — 323 
Derivatives:
Foreign currency exchange derivatives— 24 24 
Total assets at fair value$15,408 $61 $15,469 
LIABILITIES:
Foreign currency exchange derivatives$— $59 $59 
(1)    The Company did not have any Level 3 recurring fair value measurements at June 30, 2024.

Financial assets and liabilities measured at fair value on a recurring basis at December 31, 2023 and nonrecurring fair value measurements are classified in the categories described in the table below (in millions):    
Level 1Level 2Level 3Total
Recurring fair value measurements
ASSETS:   
Cash equivalents and restricted cash equivalents:
Money market fund investments$10,871 $— $— $10,871 
Certificates of deposit97 — — 97 
Short-term investments:
International government securities— 63 — 63 
U.S. government securities— 151 — 151 
Corporate debt securities— 362 — 362 
Long-term investments:
Equity securities311 — — 311 
Derivatives:
Foreign currency exchange derivatives— 62 — 62 
Total assets at fair value$11,279 $638 $— $11,917 
LIABILITIES:
Foreign currency exchange derivatives$— $36 $— $36 
Nonrecurring fair value measurements
Investment in equity securities of a private entity (1)
$— $— $98 $98 
(1)    During the year ended December 31, 2023, the investment in Yanolja was written down to its estimated fair value.

15

Investments

See Note 5 for additional information related to the Company's investments.

The Company's investments in debt securities are measured using "Level 2" inputs as the Company has access to quoted prices for identical or comparable securities, but does not have visibility into the volume and frequency of trading for these investments. A market approach is used for recurring fair value measurements and the valuation techniques use inputs that are observable, or can be corroborated by observable data, in an active marketplace.

The Company's investments measured using Level 3 inputs primarily consist of investments in privately-held entities. Fair values of these securities are estimated using a variety of valuation methodologies, including both the market and income approaches.

As of June 30, 2023, the Company evaluated its investment in Yanolja for impairment using a combination of the market approach and the income approach in estimating the fair value of the investment and recognized an impairment charge (see Note 5). The market approach estimates value using prices and other relevant information generated by market transactions involving comparable companies. The income approach estimates value based on the expectation of future cash flows that a company will generate. These future cash flows are discounted to their present values using a discount rate based on a company's weighted-average cost of capital adjusted to reflect the risks inherent in its cash flows. The key unobservable inputs and ranges used for the June 2023 impairment evaluation, primarily using the income approach, includes the weighted average cost of capital (10.5%-14.5%) and the terminal EBITDA multiple (14x-16x). Significant changes in any of these inputs in isolation would result in significantly different fair value measurements. A change in the assumption used for EBITDA multiples would result in a directionally similar change in the fair value, and a change in the assumption used for weighted average cost of capital would result in a directionally opposite change in the fair value.

The determination of the fair values of investments, where the Company is a minority shareholder and has access to limited information from the investee, reflects numerous assumptions that are subject to various risks and uncertainties, including key assumptions regarding the investee's expected growth rates and operating margin, as well as other key assumptions with respect to matters outside of the Company's control, such as discount rates and market comparables. It requires significant judgments and estimates and actual results could be materially different than those judgments and estimates utilized in the fair value measurement. Future events and changing market conditions may lead the Company to re-evaluate the assumptions reflected in the valuation which may result in a need to recognize additional impairment charges.

Derivatives

The Company reports the fair values of its derivative assets and liabilities on a gross basis in the Consolidated Balance Sheets in "Other current assets" and "Accrued expenses and other current liabilities," respectively. As of June 30, 2024 and December 31, 2023, the Company did not designate any derivatives as hedges for accounting purposes.

For the Company's foreign currency exchange derivatives outstanding as of June 30, 2024 and December 31, 2023, the notional amounts of the foreign currency purchases were $6.7 billion and $4.9 billion, respectively, and the notional amounts of the foreign currency sales were $3.8 billion and $4.2 billion, respectively. The notional amount of a foreign currency forward contract is the contracted amount of foreign currency to be exchanged and is not recorded in the balance sheets.

The effect of foreign currency exchange derivatives recorded in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations for the three and six months ended June 30, 2024 and 2023 is as follows (in millions):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Losses on foreign currency exchange derivatives$77 $67 $162 $84 

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Other Financial Assets and Liabilities

At June 30, 2024 and December 31, 2023, the Company's cash consisted of bank deposits. Cash equivalents principally include money market fund investments and certificates of deposit and their carrying value generally approximates the fair value as they are readily convertible to known amounts of cash. Other financial assets and liabilities, including restricted cash, accounts payable, accrued expenses, and deferred merchant bookings, are carried at cost which approximates their fair values because of the short-term nature of these items. Accounts receivable and other financial assets measured at amortized cost are carried at cost less an allowance for expected credit losses to present the net amount expected to be collected (see Note 7). See Note 9 for the estimated fair value of the Company's outstanding senior notes, including the estimated fair value of the Company's convertible senior notes.

7.    ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS
 
Accounts receivable in the Consolidated Balance Sheets at June 30, 2024 and December 31, 2023 includes receivables from customers of $2.1 billion and $1.9 billion, respectively, and receivables from payment processors and networks of $1.6 billion and $1.3 billion, respectively. The remaining balance principally relates to receivables from marketing affiliates. The amounts mentioned above are stated on a gross basis, before deducting the allowance for expected credit losses.

Significant judgments and assumptions are required to estimate the allowance for expected credit losses and such assumptions may change in future periods, particularly the assumptions related to the business prospects and financial condition of customers and marketing affiliates, including macroeconomic conditions, inflationary pressures, potential recession, and the Company's ability to collect the receivable or recover prepayments.

The following table summarizes the activity of the allowance for expected credit losses on receivables (in millions):
Six Months Ended
June 30,
 20242023
Balance, beginning of year$137 $117 
Provision charged to earnings95 60 
Write-offs and adjustments(117)(92)
Foreign currency translation adjustments(4)2 
Balance, end of period$111 $87 

8.    INTANGIBLE ASSETS AND GOODWILL

The Company's intangible assets at June 30, 2024 and December 31, 2023 consist of the following (in millions): 
June 30, 2024December 31, 2023
Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Amortization Period
Trade names$1,808 $(956)$852 $1,812 $(911)$901 
3 - 20 years
Supply and distribution agreements1,391 (796)595 1,402 (759)643 
3 - 20 years
Other intangible assets328 (277)51 330 (261)69 
Up to 20 years
Total intangible assets$3,527 $(2,029)$1,498 $3,544 $(1,931)$1,613 
 
Intangible assets are amortized on a straight-line basis. Amortization expense for the intangible assets was $56 million for the three months ended June 30, 2024 and 2023 and $111 million for the six months ended June 30, 2024 and 2023.

The carrying value of the Company's goodwill at June 30, 2024 and December 31, 2023 was $2.8 billion and is stated net of cumulative impairment charges of $2.0 billion.



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9.    DEBT

Revolving Credit Facility

See Note 12 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023 for information related to the Company's unsecured revolving credit facility that extends a revolving line of credit of up to $2 billion to the Company. In May 2024, the Company extended the maturity date of the revolving credit facility from May 2028 to May 2029 pursuant to an extension request under the credit agreement. At June 30, 2024 and December 31, 2023, there were no borrowings outstanding and $22 million and $18 million, respectively, of letters of credit issued under the revolving credit facility.

Outstanding Debt
 
Outstanding debt at June 30, 2024 and December 31, 2023 consists of the following (in millions): 
June 30, 2024December 31, 2023
Outstanding
 Principal 
Amount
Carrying
 Value (1)
Outstanding
 Principal 
Amount
Carrying
 Value (1)
2.375% (€1 Billion) Senior Notes due September 2024 (2) (3)
$1,072 $1,071 $1,105 $1,104 
3.65% Senior Notes due March 2025 (2)
500 500 500 499 
0.1% (€950 Million) Senior Notes due March 2025 (2)
1,018 1,017 1,050 1,048 
0.75% Convertible Senior Notes due May 2025 (2) (3)
862 859 862 857 
3.6% Senior Notes due June 2026
1,000 998 1,000 998 
4.0% (€750 Million) Senior Notes due November 2026
804 802 828 825 
1.8% (€1 Billion) Senior Notes due March 2027
1,072 1,070 1,105 1,103 
3.55% Senior Notes due March 2028
500 499 500 499 
0.5% (€750 Million) Senior Notes due March 2028
804 801 828 825 
3.625% (€500 Million) Senior Notes due November 2028
536 533 552 549 
3.5% (€500 Million) Senior Notes due March 2029
536 533 — — 
4.25% (€750 Million) Senior Notes due May 2029
804 799 828 823 
4.625% Senior Notes due April 2030
1,500 1,493 1,500 1,492 
4.5% (€1 Billion) Senior Notes due November 2031
1,072 1,065 1,105 1,098 
3.625% (€650 Million) Senior Notes due March 2032
697 693 — — 
4.125% (€1.25 Billion) Senior Notes due May 2033
1,339 1,326 1,381 1,367 
4.75% (€1 Billion) Senior Notes due November 2034
1,072 1,064 1,105 1,097 
3.75% (€850 Million) Senior Notes due March 2036
910 897 — — 
4.0% (€750 Million) Senior Notes due March 2044
804 788 — — 
Total outstanding debt$16,902 $16,808 $14,249 $14,184 
Short-term debt$3,452 $3,447 $1,967 $1,961 
Long-term debt$13,450 $13,361 $12,282 $12,223 
(1)    The carrying values differ from the outstanding principal amounts due to unamortized debt discounts and debt issuance costs of $94 million and $65 million as of June 30, 2024 and December 31, 2023, respectively.
(2)    Included in "Short-term debt" in the Unaudited Consolidated Balance Sheet as of June 30, 2024.
(3)    Included in "Short-term debt" in the Consolidated Balance Sheet as of December 31, 2023.
 
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Fair Value of Debt

At June 30, 2024 and December 31, 2023, the estimated fair value of the outstanding debt was approximately $17.8 billion and $15.2 billion, respectively, and was considered a "Level 2" fair value measurement (see Note 6). Fair value was estimated based upon actual trades at the end of the reporting period or the most recent trade available as well as the Company's stock price at the end of the reporting period. The estimated fair value of the Company's debt in excess of the outstanding principal amount at June 30, 2024 and December 31, 2023 primarily relates to the conversion premium on the convertible senior notes due in May 2025.

Convertible Senior Notes

In April 2020, the Company issued $863 million aggregate principal amount of convertible senior notes due in May 2025 with an interest rate of 0.75% (the "May 2025 Notes"). The May 2025 Notes are convertible, subject to certain conditions, into the Company's common stock at a current conversion price of $1,877.23 per share. The May 2025 Notes are convertible, at the option of the holder, prior to November 1, 2024, upon the occurrence of specific events, including but not limited to a change in control, or if the closing sales price of the Company's common stock for at least 20 trading days in the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is more than 130% of the conversion price in effect for the notes on the last trading day of the immediately preceding quarter. In the event that all or substantially all of the Company's common stock is acquired on or prior to the maturity of the May 2025 Notes in a transaction in which the consideration paid to holders of the Company's common stock consists of all or substantially all cash, the Company would be required to make additional payments in the form of additional shares of common stock to the holders of the May 2025 Notes in an aggregate value ranging from $0 to $235 million depending upon the date of the transaction and the then current stock price of the Company. Starting on November 1, 2024, holders will have the right to convert all or any portion of the May 2025 Notes, regardless of the Company's stock price. The May 2025 Notes may not be redeemed by the Company prior to maturity. The holders may require the Company to repurchase the May 2025 Notes for cash in certain circumstances. Interest on the May 2025 Notes is payable on May 1 and November 1 of each year. If the note holders exercise their option to convert, the Company delivers cash to repay the principal amount of the notes and delivers shares of common stock or cash, at its option, to satisfy the conversion value in excess of the principal amount. At June 30, 2024 and December 31, 2023, the estimated fair value of the May 2025 Notes was $1.8 billion and $1.6 billion, respectively, and was considered a "Level 2" fair value measurement (see Note 6). Based on the closing sales prices of the Company's common stock for the prescribed measurement periods, the May 2025 Notes were convertible at the option of the holder starting the second calendar quarter of 2023 and continue to be convertible during the third calendar quarter of 2024.

Other Senior Notes

The following table summarizes the information related to other senior notes issued in March 2024:
Other Senior Notes
Effective Interest Rate (1)
Timing of Interest Payments
3.5% Senior Notes due March 2029
3.61%Annually in March
3.625% Senior Notes due March 2032
3.71%Annually in March
3.75% Senior Notes due March 2036
3.92%Annually in March
4.0% Senior Notes due March 2044
4.15%Annually in March
(1)    Represents the coupon interest rate adjusted for deferred debt issuance costs, premiums or discounts existing at the origination of the debt.

The proceeds from the issuance of these senior notes are available for general corporate purposes, including to repurchase shares of the Company's common stock and to redeem or repay outstanding indebtedness.

In March 2023, the Company repaid $500 million on the maturity of the Senior Notes due March 2023 and paid the applicable accrued and unpaid interest relating to these notes.

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Interest expense related to other senior notes consists primarily of coupon interest expense of $136 million and $254 million for the three and six months ended June 30, 2024, respectively, and $100 million and $192 million for the three and six months ended June 30, 2023, respectively.

The Company designates certain portions of the aggregate principal value of the Euro-denominated debt as a hedge of the foreign currency exposure of the net investment in certain Euro functional currency subsidiaries. For the six months ended June 30, 2024 and 2023, the carrying value of the portion of Euro-denominated debt, designated as a net investment hedge, ranged from $2.3 billion to $3.5 billion and from $5.9 billion to $7.5 billion, respectively.

10.    TREASURY STOCK AND DIVIDENDS
 
At December 31, 2023, the Company had a total remaining authorization of $13.7 billion related to a program authorized by the Company's Board of Directors ("the Board") in 2023 to repurchase up to $20 billion of the Company's common stock. At June 30, 2024, the Company had a total remaining authorization of $10.6 billion to repurchase its common stock. The Company expects to complete the share repurchases under the remaining authorization by the end of 2026, assuming no major downturn in the travel market. Additionally, the Board has given the Company the general authorization to repurchase shares of its common stock withheld to satisfy employee withholding tax obligations related to stock-based compensation.

The following table summarizes the Company's stock repurchase activities during the three and six months ended June 30, 2024 and 2023 (in millions, except for shares, which are reflected in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
SharesAmountSharesAmountSharesAmountSharesAmount
Authorized stock repurchase programs435 $1,622 1,177 $3,138 881 $3,211 1,989 $5,160 
General authorization for shares withheld on stock award vesting2 6 1 3 92 321 67 176 
Total437$1,628 1,178$3,141 973$3,532 2,056$5,336 

Stock repurchases of $25 million in June 2024 were settled in July 2024.

For the six months ended June 30, 2024 and 2023, the Company remitted employee withholding taxes of $320 million and $176 million, respectively, to the tax authorities, which may differ from the aggregate cost of the shares withheld for taxes for each period due to the timing in remitting the taxes. The cash remitted to the tax authorities is included in financing activities in the Unaudited Consolidated Statements of Cash Flows.

The Company recorded an estimated excise tax liability for share repurchases of $124 million and $96 million as of June 30, 2024 and December 31, 2023, respectively. The excise tax liability is included in "Accrued expenses and other current liabilities" in the Consolidated Balance Sheets.

During the six months ended June 30, 2024, the Company paid cash dividends of $594 million. In July 2024, the Board declared a cash dividend of $8.75 per share of common stock, payable on September 30, 2024 to stockholders of record as of the close of business on September 6, 2024.
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11.    INCOME TAXES
 
Income tax expense consists of U.S. and international income taxes, determined using an estimate of the Company's annual effective tax rate, which is based upon the applicable tax rates and tax laws of the countries in which the income is generated. A deferred tax liability is recognized for all taxable temporary differences, and a deferred tax asset is recognized for all deductible temporary differences and operating loss and tax credit carryforwards. A valuation allowance is provided when it is more likely than not that some portion or all of a deferred tax asset will not be realized. The Company considers many factors when assessing the likelihood of future realization of the deferred tax assets, including its recent cumulative earnings experience by taxing jurisdiction, expectations of future income, tax planning strategies, the carryforward periods available for tax reporting purposes, and other relevant factors.

The Company's effective tax rates for the three and six months ended June 30, 2024 were 20.9% and 19.7%, respectively, compared to 20.3% and 19.0% for the three and six months ended June 30, 2023, respectively. The Company's 2024 effective tax rates differ from the U.S. federal statutory tax rate of 21%, primarily due to the benefit of the Netherlands Innovation Box Tax (discussed below), partially offset by higher international tax rates, U.S. federal and state tax associated with the Company's international earnings, and certain non-deductible expenses. The Company's 2023 effective tax rates differed from the U.S. federal statutory tax rate of 21%, primarily due to the benefit of the Netherlands Innovation Box Tax, partially offset by higher international tax rates and certain non-deductible expenses.

The Company's effective tax rate for the three months ended June 30, 2024 was higher than the effective tax rate for the three months ended June 30, 2023, primarily due to higher unrecognized tax benefits and certain lower discrete tax benefits, partially offset by certain lower non-deductible expenses.

The Company's effective tax rate for the six months ended June 30, 2024 was higher than the effective tax rate for the six months ended June 30, 2023, primarily due to certain lower discrete tax benefits, higher U.S. federal and state tax associated with the Company's international earnings, and a decrease in the benefit of the Netherlands Innovation Box Tax, partially offset by certain lower non-deductible expenses.

During the three and six months ended June 30, 2024 and 2023, a majority of the Company's income was reported in the Netherlands, where Booking.com is based. According to Dutch corporate income tax law, income generated from qualifying innovative activities is taxed at a rate of 9% ("Innovation Box Tax") rather than the Dutch statutory rate of 25.8%. A portion of Booking.com's earnings during the three and six months ended June 30, 2024 and 2023 qualified for Innovation Box Tax treatment, which had a beneficial impact on the Company's effective tax rates for these periods.

The aggregate amount of unrecognized tax benefits for all matters at June 30, 2024 and December 31, 2023 was $92 million and $67 million, respectively. As of June 30, 2024, net unrecognized tax benefits of $67 million, if recognized, would impact the effective tax rate. As of June 30, 2024 and December 31, 2023, total gross interest and penalties accrued was $7 million. The increase in unrecognized tax benefits primarily relates to U.S. state taxes. The majority of unrecognized tax benefits are included in "Other assets, net" and "Other long-term liabilities" in the Unaudited Consolidated Balance Sheet as of June 30, 2024. It is reasonably possible that the balance of gross unrecognized tax benefits could change over the next 12 months.

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12.    CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS BY COMPONENT
 
The table below present the changes in the balances of accumulated other comprehensive loss ("AOCI") by component for the three and six months ended June 30, 2024 and 2023 (in millions): 
Foreign currency translation adjustmentsNet unrealized gains (losses) on available-for-sale securitiesTotal AOCI, net of tax
Foreign currency translation
Net investment hedges (1)
Total, net of taxBefore taxTaxTotal, net of tax
Before tax
Tax (2)
Before taxTax
Three Months Ended June 30, 2024
Balance, March 31, 2024$(617)$88 $237 $(63)$(355)$(1)$— $(1)$(356)
Other comprehensive (loss) income ("OCI") for the period(27)36 29 (7)31 1 — 1 32 
Balance, June 30, 2024$(644)$124 $266 $(70)$(324)$— $— $— $(324)
Six Months Ended June 30, 2024
Balance, December 31, 2023$(537)$94 $171 $(48)$(320)$(4)$1 $(3)$(323)
OCI for the period(107)30 95 (22)(4)4 (1)3 (1)
Balance, June 30, 2024$(644)$124 $266 $(70)$(324)$— $— $— $(324)
Three Months Ended June 30, 2023
Balance, March 31, 2023$(474)$72 $197 $(54)$(259)$(10)$2 $(8)$(267)
OCI for the period(2)4 (34)8 (24)(1)1 — (24)
Balance, June 30, 2023$(476)$76 $163 $(46)$(283)$(11)$3 $(8)$(291)
Six Months Ended June 30, 2023
Balance, December 31, 2022$(579)$93 $310 $(81)$(257)$(13)$3 $(10)$(267)
OCI for the period103 (17)(147)35 (26)2 — 2 (24)
Balance, June 30, 2023$(476)$76 $163 $(46)$(283)$(11)$3 $(8)$(291)
(1)    Net investment hedges balance at June 30, 2024 and earlier dates presented above, includes accumulated net losses from fair value adjustments of $35 million ($53 million before tax) associated with previously settled derivatives that were designated as net investment hedges. The remaining balances relate to foreign currency transaction gains (losses) and related tax benefits (expenses) associated with the Company's Euro-denominated debt that is designated as a hedge of the foreign currency exposure of the net investment in certain Euro functional currency subsidiaries (see Note 9).
(2)    The tax benefits relate to foreign currency translation adjustments to the Company's one-time deemed repatriation tax liability recorded at December 31, 2017 and foreign earnings for periods after December 31, 2017 that are subject to U.S. federal and state income tax, resulting from the enactment of the U.S. Tax Cuts and Jobs Act.

13.    COMMITMENTS AND CONTINGENCIES

Competition and Consumer Protection Reviews

Online travel platforms have been the subject of investigations or inquiries by national competition authorities ("NCAs") or other governmental authorities regarding competition law matters, consumer protection issues, or other areas of concern. The Company is and has been involved in many such investigations. For example, the Company is involved in investigations related to whether Booking.com's contractual parity arrangements with accommodation providers are anti-competitive because they require partners to provide Booking.com with rates, conditions, and availability at least as favorable as those offered to other online travel companies ("OTCs") or by the partner itself. To resolve certain of the parity-related investigations, the Company has from time to time made commitments regarding future business practices or activities, such as agreeing to narrow the scope of its parity clauses. These investigations have resulted in fines and the Company could incur additional fines and/or be restricted in certain of its business practices in the future.
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In October 2022, the Comisión Nacional de los Mercados y la Competencia in Spain (the "CNMC") opened an investigation into whether certain practices by Booking.com may produce adverse effects for hotels and other OTCs. In January 2024, the CNMC notified Booking.com of its draft decision to impose a fine of 486 million Euros and to restrict certain business practices such as those relating to parity provisions and the ranking criteria that Booking.com can use to determine how to rank hotels in its display to customers. In July 2024, the CNMC notified Booking.com of its decision to impose a fine of 413 million Euros, which reflects a decrease of approximately 72 million Euros from the draft decision. The business restrictions were not materially changed from the draft decision. Booking.com does not agree with the rationale stated in the decision and certain of the restrictions imposed, and plans to challenge it. Although the Company disagrees with the rationale stated in the decision, the Company accrued a loss of 486 million Euros ($530 million) during the year ended December 31, 2023. As of June 30, 2024, to align with the CNMC's reduced fine, the Company recorded a decrease of 72 million Euros ($78 million) in its accrual which is reflected in "General and administrative" expenses in the Unaudited Consolidated Statements of Operations for the three and six months ended June 30, 2024. The related liability is included in "Accrued expenses and other current liabilities" in the Consolidated Balance Sheets as of June 30, 2024 and December 31, 2023.

In addition, in September 2017, the Swiss Price Surveillance Office opened an investigation into the level of commissions of Booking.com in Switzerland and the investigation is ongoing. If there is an adverse outcome and Booking.com is unsuccessful in any appeal, Booking.com may be required to make other commitments, such as reducing its commissions in Switzerland. In July 2023, the Polish Office of Competition and Consumer Protection opened an investigation into Booking.com's identification of private and professional hosts and its messaging in relation to obligations owed to consumers. In March 2024, the Italian Competition Authority opened an investigation into whether certain practices by Booking.com may produce adverse effects for hotels and other online travel agencies. If any of the investigations were to find that Booking.com practices violated the respective laws, or as part of a negotiated resolution, Booking.com may face significant fines, restrictions on its business practices, and/or be required to make other commitments.

The Company is and has been involved in investigations or inquiries by NCAs or other governmental authorities involving consumer protection matters, including in the United Kingdom and the European Union. The Company has previously made certain voluntary commitments to competition authorities to resolve investigations or inquiries that have included showing prices inclusive of all mandatory taxes and charges, providing information about the effect of money earned on search result rankings on or before the search results page, and making certain adjustments to how discounts and statements concerning popularity or availability are shown to consumers. In the future, it is possible new jurisdictions could engage the Company in discussions to implement changes to its business in those countries. The Company is unable to predict what, if any, effect any future similar commitments will have on its business, industry practices, or online commerce more generally. To the extent that any other investigations or inquiries result in additional commitments, fines, damages, or other remedies, the Company's business, financial condition, and results of operations could be harmed.

The Company is unable to predict how any current or future investigations or litigation may be resolved or the long-term impact of any such resolution on its business. For example, competition and consumer-law-related investigations, legislation, or issues could result in private litigation and the Company is currently involved in such litigation. More immediate results could include, among other things, the imposition of fines, payment of damages, commitments to change certain business practices, or reputational damage, any of which could harm the Company's business, results of operations, brands, or competitive position.

Tax Matters

Between December 2018 and August 2021, the Italian tax authorities issued assessments on Booking.com's Italian subsidiary totaling approximately 251 million Euros ($269 million) for the tax years 2013 through 2018, asserting that its transfer pricing policies were inadequate. The Company believes Booking.com has been and continues to be in compliance with Italian tax law. In September 2020, the Italian tax authorities approved the opening of a mutual agreement procedure ("MAP") between Italy and the Netherlands for the 2013 tax year and the Italian tax authorities subsequently approved the inclusion of the tax years 2014 through 2018 in the MAP. Based on the Company's expectation that the Italian assessments for 2013 through 2018, and any transfer pricing assessments received for subsequent open years, will be settled through the MAP process, and after considering potential resolution amounts, 33 million Euros ($36 million) have been reflected in net unrecognized tax benefits, the majority of which is recorded to "Other assets, net" in the Consolidated Balance Sheets at June 30, 2024 and December 31, 2023. This unrecognized tax benefit is partially offset by a deferred income tax benefit of 15 million Euros ($17 million). As of June 30, 2024, the Company made prepayments of 74 million Euros ($79 million) to the Italian tax authorities to forestall collection enforcement pending the appeal phase of the case. The payments do not constitute an admission that the Company owes the taxes and will be refunded (with interest) to the Company to the extent that the Company prevails. The payments are included in "Other assets, net" in the Consolidated Balance Sheets at June 30, 2024 and December 31, 2023.

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In June 2024, the Guardia di Finanza ("GdF") of Rome issued a tax audit report to Booking.com, proposing a tax assessment to the Italian Tax Authorities ("ITA") of 396 million Euros ($424 million), excluding penalties and interest, for June 2017 through December 2023. The audit report does not itself constitute a formal tax assessment. The GdF alleges that a 2017 law obliges Booking.com to withhold and remit 21% of the total transaction value for the income tax liabilities of certain short-term rental partners in Italy for the period under audit. While the Company believes that Booking.com has been and continues to be in compliance with Italian tax laws, the Company is in discussions with the ITA regarding the potential to resolve this matter.

The Company is also involved in other tax-related audits, investigations, and litigation relating to income taxes, value-added taxes, travel transaction taxes (e.g., hotel occupancy taxes), withholding taxes, and other taxes.

Any taxes or assessments in excess of the Company's tax provisions, including the resolution of any tax proceedings or litigation, could have a material adverse impact on the Company's results of operations, cash flows, and financial condition. In some cases, assessments may be significantly in excess of the Company's tax provisions, particularly in instances where the Company does not agree with the tax authority's assessment of how the tax laws may apply to the Company's business.

Other Matters

Beginning in 2014, Booking.com B.V. received several letters from the Netherlands Pension Fund for the Travel Industry (Reiswerk) ("BPF") claiming that it was required to participate in the mandatory pension scheme of the BPF with retroactive effect to 1999, which has a higher contribution rate than the pension scheme in which it is currently participating. BPF instituted legal proceedings and in 2016 the District Court of Amsterdam rejected all of BPF's claims. BPF appealed the decision to the Court of Appeal, and, in May 2019, the Court of Appeal also rejected all of BPF's claims, in each case by ruling that Booking did not meet the definition of a travel intermediary for purposes of the mandatory pension scheme. BPF then appealed to the Netherlands Supreme Court. In April 2021, the Supreme Court overturned the previous decision of the Court of Appeal and held that Booking.com B.V. met the definition of a travel intermediary for the purposes of the mandatory pension scheme. The Supreme Court ruled only on the qualification of Booking.com B.V. as a travel intermediary for the purposes of the mandatory pension scheme and did not rule on the various other defenses brought forward by the Company against BPF's claims. The Supreme Court referred the matter to another Court of Appeal to assess the other defenses brought forward by the Company. In January 2024, that Court of Appeal ruled that Booking.com B.V. is required to participate in the mandatory pension scheme of the BPF with retroactive effect to 1999. The Company has filed an appeal of the decision to the Netherlands Supreme Court. Although the Company disagrees with the decision, it accrued a loss of 253 million Euros ($276 million), included in "Personnel" expenses in the Consolidated Statement of Operations for the year ended December 31, 2023. During the three and six months ended June 30, 2024, the Company recorded additional estimated expenses of 18 million Euros ($20 million) and 37 million Euros ($41 million), respectively, included in "Personnel" expenses in the Unaudited Consolidated Statements of Operations. The related liability is included primarily in "Accounts payable" in the Unaudited Consolidated Balance Sheet as of June 30, 2024 and "Accrued expenses and other current liabilities" in the Consolidated Balance Sheet as of December 31, 2023. On a go-forward basis, Booking.com B.V. expects to begin paying pension premiums to the BPF scheme or to increase contributions to employees under its existing pension scheme.

From time to time, the Company notifies the competent data protection authority, such as the Dutch data protection authority in accordance with its obligations under the General Data Protection Regulation, of certain incidental and accidental personal data security incidents. Should, for example, the Dutch data protection authority decide these incidents were the result of inadequate technical and organizational security measures or practices, it could decide to impose a fine.

The Company has been, is currently, and expects to continue to be, subject to legal proceedings and claims in the ordinary course of business, including claims of alleged infringement of third-party intellectual property rights. Such claims, even if not meritorious, could result in the expenditure of significant financial and managerial resources, divert management's attention from the Company's business objectives and adversely affect the Company's business, reputation, results of operations, financial condition, and cash flows.

The Company accrues for certain other legal contingencies where it is probable that a loss has been incurred and the amount can be reasonably estimated. Such accrued amounts are not material to the Company's balance sheets and provisions recorded have not been material to the Company's results of operations or cash flows.

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Other Contractual Obligations and Contingencies

The Company had $1.0 billion and $533 million of standby letters of credit and bank guarantees issued on behalf of the Company as of June 30, 2024 and December 31, 2023, respectively, including those issued under the revolving credit facility. These were obtained primarily for regulatory purposes. See Note 9 for information related to letters of credit issued under the revolving credit facility.

Booking.com offers partner liability insurance that provides protection to certain accommodation partners ("home partners") in instances where a reservation has been made via Booking.com. The partner liability insurance may provide those home partners (both owners and property managers) coverage up to $1 million equivalent per occurrence, subject to limitations and exclusions, against third-party lawsuits, claims for bodily injury, or third-party personal property damage that occurred during a stay booked through Booking.com. Booking.com retains certain financial risks related to this insurance offering, which is underwritten by third-party insurance companies.

14.    OTHER INCOME (EXPENSE), NET

The components of other income (expense), net for the three and six months ended June 30, 2024 and 2023 were as follows (in millions):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Foreign currency transaction gains (losses) (1)
$25 $(48)$161 $(101)
Net gains (losses) on equity securities (2)
11 (34)(5)(167)
Other
1 2 3 7 
Other income (expense), net$37 $(80)$159 $(261)
(1)    Foreign currency transaction gains (losses) include gains of $68 million and $235 million for the three and six months ended June 30, 2024, respectively, and losses of $8 million and $34 million for the three and six months ended June 30, 2023, respectively, related to Euro-denominated debt and accrued interest that were not designated as net investment hedges (see Note 9).
(2)    See Note 5 for additional information related to net gains (losses) on equity securities.

15.    OTHER

Unaudited Consolidated Statements of Cash Flows: Additional Information

As of June 30, 2024 and December 31, 2023, cash and cash equivalents reported in the Consolidated Balance Sheets differ from the amounts of total cash and cash equivalents and restricted cash and cash equivalents as shown in the Unaudited Consolidated Statements of Cash Flows due to restricted cash and cash equivalents, primarily related to the Company's travel-related insurance business, which are included in "Other current assets" in the Consolidated Balance Sheets.

Noncash investing activity related to additions to property and equipment, including stock-based compensation and accrued liabilities, was $30 million and $25 million for the six months ended June 30, 2024 and 2023, respectively. See Note 10 for additional information on noncash financing activity related to the excise tax on share repurchases.

During the six months ended June 30, 2024 and 2023, the Company made income tax payments of $1.4 billion and $1.3 billion, respectively, and interest payments of $405 million and $356 million, respectively.
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Item 2.  Management's Discussion and Analysis of Financial Condition and Results of Operations
 
The following discussion should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2023, including Part I, Item 1A "Risk Factors," as well as our Unaudited Consolidated Financial Statements and accompanying notes and the Section entitled "Special Note Regarding Forward-Looking Statements" in this Quarterly Report on Form 10-Q. The information on our websites is not a part of this Quarterly Report and is not incorporated herein by reference.

We evaluate certain operating and financial measures on both an as-reported and constant-currency basis. We calculate constant currency based on the predominant transactional currency in each country, converting our current-year period results in currencies other than U.S. Dollars using the corresponding prior-year period monthly average exchange rates.
 
Overview
 
Our mission is to make it easier for everyone to experience the world. We aim to provide consumers with a best-in-class experience offering the travel choices they want, with tailored language, payment, and other options, seamlessly connecting them with our travel service provider partners. We offer these services through five primary consumer-facing brands: Booking.com, Priceline, Agoda, KAYAK, and OpenTable.

We derive substantially all of our revenues from enabling consumers to make travel service reservations. We also earn revenues from advertising services, restaurant reservations and restaurant management services, and other services, such as travel-related insurance services. See Note 2 to our Unaudited Consolidated Financial Statements for more information.

Trends

In 2023, global room nights increased 17% year-over-year driven primarily by the continued recovery from the COVID-19 pandemic in Asia and strong travel demand in Europe.

In the first quarter of 2024, global room nights increased 9% year-over-year driven primarily by healthy travel demand in Europe and Asia. In the second quarter of 2024, global room nights increased 7% year-over-year, sequentially slower than the first quarter of 2024 primarily due to lower year-over-year growth in Europe.

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Quarterly Room Nights and Change versus the prior year

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The cancellation rate in the second quarter of 2024 was in line with the prior year. We have observed generally stable cancellation rates in recent years, though we have seen periods of elevated cancellation rates from time to time. Because we recognize revenues from bookings when the traveler checks in, our reported revenues are not at risk of being reversed due to cancellations. Increases in cancellation rates can negatively impact our marketing efficiency as a result of incurring performance marketing expenses at the time a booking is made even though that booking could be canceled in the future if it was booked under a flexible cancellation policy.

Our global average daily rates ("ADRs") decreased approximately 1% on a constant currency basis in the second quarter of 2024 as compared to the second quarter of 2023, driven primarily by a higher mix of room nights from Asia, which is a lower ADR region. The year-over-year decrease in our global ADRs has resulted in our accommodation gross bookings growing slower than our room nights in the second quarter of 2024. It is difficult to predict what the trend in industry ADRs will be in the future.

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We focus on relentless innovation to grow our business by providing a best-in-class user experience with intuitive, easy-to-use online platforms that aim to exceed the expectations of online consumers. We have a long-term strategy to create an ideal traveler experience, offering our customers relevant options and connections at the times and in the language they want them, making trips booked with us seamless, easy, and valuable. We refer to this as the "Connected Trip." The goal of our Connected Trip vision is to offer a differentiated and personalized online travel planning, booking, payment, and in-trip experience for each trip, enhanced by a robust loyalty program that provides value to travelers and partners across all trips. We believe these efforts will help improve traveler loyalty, frequency, and mix of direct bookings over time. We believe these improvements will benefit revenues growth and marketing efficiency in the future, however, to the extent our non-accommodation services have lower margins and increase as a percentage of our total business, our operating margins may be negatively affected.

We believe that our mobile app is an important platform for experiencing the Connected Trip since the app travels with the traveler. The mix of our room nights booked on a mobile app in the second quarter of 2024 was approximately 53%, up versus approximately 47% in the second quarter of 2023. The significant majority of room nights booked on our mobile apps are direct, and we continue to see favorable repeat direct booking behavior from consumers in our mobile apps, which allow us more opportunities to engage directly with consumers. The revenues earned on a transaction on a mobile app may be less than a typical desktop transaction as we see different consumer purchasing patterns across devices. For example, accommodation reservations made on a mobile app typically are for shorter lengths of stay and have lower accommodation ADRs.

As part of our strategy to provide more payment options to consumers and travel service providers, increase the number and variety of our accommodations, and enable our long-term Connected Trip strategy, Booking.com increasingly processes transactions on a merchant basis, where it facilitates payments from travelers for the services provided. This allows Booking.com to process transactions for travel service providers and to increase its ability to offer secure and flexible transaction terms to consumers, such as the form and timing of payment. We believe that expanding these types of service offerings will benefit consumers and travel service providers, as well as our gross bookings, room night, and earnings growth rates. However, this results in additional expenses for personnel, payment processing, chargebacks (including those related to fraud), and other expenses related to these transactions, which are recorded in "Personnel" expenses and "Sales and other expenses" in our Unaudited Consolidated Statements of Operations, as well as associated incremental revenues (e.g., payment card rebates), which are recorded in "Merchant revenues." To the extent more of our business is generated on a merchant basis, we incur a greater level of these merchant-related expenses, which negatively impacts our operating margins despite increases in associated incremental revenues. The mix of our total gross bookings generated on a merchant basis was 62% in the second quarter of 2024, an increase from 53% in the second quarter of 2023.

We have established widely-used and recognized brands through marketing and promotional campaigns. Our total marketing expenses, which are comprised of performance and brand marketing expenses that are substantially variable in nature, were $1.9 billion in the second quarter of 2024, up 8% versus the second quarter of 2023 as a result of the year-over-year growth in travel demand in the quarter and our efforts to invest in marketing, partially offset by a higher share of room nights booked by consumers coming directly to our platforms. Our performance marketing expenses, which represent a substantial majority of our marketing expenses, are primarily related to the use of online search engines (primarily Google), affiliate marketing, and meta-search services to generate traffic to our platforms. Our brand marketing expenses are primarily related to costs associated with producing and airing digital branding and television advertising.

Marketing efficiency, expressed as marketing expenses as a percentage of gross bookings, and performance marketing returns on investment ("ROIs") are impacted by a number of factors that are subject to variability and are in some cases outside of our control, including ADRs, costs per click, cancellation rates, foreign currency exchange rates, our ability to convert paid traffic to booking customers, and the timing and effectiveness of our brand marketing campaigns. In recent years, we observed periods of stable or increasing ROIs. Although it is difficult to predict how performance marketing ROIs will change in the future, ROIs could be negatively impacted by increased levels of competition and other factors. When evaluating our performance marketing spend, we typically consider several factors for each channel, such as the customer experience on the advertising platform, the incremental traffic we receive, and anticipated repeat rates. Marketing efficiency can also be impacted by the extent to which consumers come directly to our platforms for bookings. Marketing expenses as a percentage of total gross bookings in the second quarter of 2024 were higher than in the second quarter of 2023 due primarily to an increase in brand marketing expenses. Performance marketing expenses as a percentage of gross bookings in the second quarter of 2024 were in line with the second quarter of 2023 as an increase in the share of room nights booked by consumers coming directly to our platforms was offset by increased spend in social media channels and lower performance marketing ROIs due to changes in paid traffic mix. See Part I, Item 1A, Risk Factors - "We face risks relating to our marketing efforts" and "We are dependent on travel service providers, restaurants, search platforms, and other third parties" in our Annual Report on Form 10-K for the year ended December 31, 2023.

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Booking.com had approximately 3.8 million properties on its website at June 30, 2024, consisting of over 475,000 hotels, motels, and resorts and over 3.3 million alternative accommodation properties (including homes, apartments, and other unique places to stay), representing an increase from over 3.1 million properties at June 30, 2023.

The mix of Booking.com's room nights booked for alternative accommodation properties in the second quarter of 2024 was approximately 36%, up versus approximately 34% in the second quarter of 2023. We have observed a longer-term trend of an increasing mix of room nights booked for alternative accommodation properties as consumer demand for these types of properties has grown, and as we have increased the number and variety of them on Booking.com. We may experience lower profit margins due to additional costs, such as increased customer service or certain partner related costs, related to offering alternative accommodations on our platforms. As our alternative accommodation business has grown, these different characteristics have negatively impacted our profit margins and this trend may continue.

Although we believe that providing an extensive collection of properties, excellent customer service, and an intuitive, easy-to-use consumer experience are important factors influencing a consumer's decision to make a reservation, for many consumers, the price of the travel service is the primary factor determining whether to book. Discounting and couponing (i.e., merchandising) occurs across all of the major regions in which we operate, particularly in Asia. In some cases, our competitors are willing to make little or no profit on a transaction or offer travel services at a loss in order to gain market share. As a result, it is increasingly important to offer travel services, such as accommodation reservations, at a competitive price, whether through discounts, coupons, closed-user group rates or loyalty programs, increased flexibility in cancellation policies, or otherwise. These initiatives have resulted and, in the future, may result in lower ADRs and lower revenues as a percentage of gross bookings.

Many taxing authorities are increasingly focused on ways to increase tax revenues and have targeted large multinational technology companies in these efforts. As a result, many countries and some U.S. states have implemented or are considering the adoption of a digital services tax or similar tax that imposes a tax on revenues earned from digital advertisements or the use of online platforms, even when there is no physical presence in the jurisdiction. Currently, rates for these taxes range from 1.5% to 10% of revenues deemed generated in the jurisdiction. The digital services taxes currently in effect, which we record in "Sales and other expenses" in the Unaudited Consolidated Statements of Operations, have negatively impacted our results of operations. For more information, see Part I, Item 1A, Risk Factors - "We may have exposure to additional tax liabilities" in our Annual Report on Form 10-K for the year ended December 31, 2023.

Increased regulatory focus on online businesses, including online travel businesses like ours, could result in increased compliance costs or otherwise adversely affect our business. For example, the Digital Markets Act ("DMA") and Digital Services Act ("DSA") give regulators in the EU more instruments to investigate and regulate digital businesses and impose new rules and requirements on platforms designated as "gatekeepers" under the DMA and online platforms more generally, with separate rules for "Very Large Online Platforms" (VLOP) under the DSA. In early 2023, Booking.com received a VLOP designation notice from the European Commission. The Company met the quantitative notification criteria set forth in the DMA and in May 2024, the European Commission designated the Company as a gatekeeper under the DMA. Certain of the DMA's requirements will become enforceable later in 2024. As a result of the DMA, compliance costs may increase and changes to our products or business practices may be required. For information regarding risks related to the DMA and DSA, please see Part I, Item 1A, Risk Factors - "Our business is subject to various competition/anti-trust, consumer protection, and online commerce laws and regulations around the world, and as the size of our business grows, scrutiny of our business by legislators and regulators in these areas may intensify" in our Annual Report on Form 10-K for the year ended December 31, 2023. For more information on the impacts of regulations on our business, see Note 13 to our Unaudited Consolidated Financial Statements.

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Our businesses outside of the U.S. represent a substantial majority of our financial results, but because we report our results in U.S. Dollars, we face exposure to movements in foreign currency exchange rates as the financial results and the financial condition of our businesses outside of the U.S. are translated from local currency (principally Euros and British Pounds Sterling) into U.S. Dollars. See Note 2 to our Unaudited Consolidated Financial Statements for information related to revenues by geographic area. As a result of the movements in foreign currency exchange rates, both the absolute amounts of and percentage changes in our foreign-currency-denominated net assets, gross bookings, revenues, operating expenses, and net income as expressed in U.S. Dollars are affected. Our total revenues increased by 7% in the second quarter of 2024 as compared to the second quarter of 2023, but without the impact of changes in foreign currency exchange rates our total revenues increased year-over-year on a constant-currency basis by approximately 9%. Since our expenses are generally denominated in foreign currencies on a basis similar to our revenues, our operating margins have not been significantly impacted by currency fluctuations. We generally enter into derivative instruments to minimize the impact of foreign currency exchange rate fluctuations. We enter into foreign currency forward contracts to hedge our exposure to the impact of movements in foreign currency exchange rates on our transactional balances denominated in currencies other than the functional currency. See Note 6 to our Unaudited Consolidated Financial Statements for additional information related to our derivative contracts. In addition, we designate certain portions of the aggregate principal value of our Euro-denominated debt as a hedge of the foreign currency exposure of the net investment in certain Euro functional currency subsidiaries. Foreign currency transaction gains or losses on the Euro-denominated debt that is not designated as a hedging instrument for accounting purposes are recognized in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations (see Notes 9 and 14 to our Unaudited Consolidated Financial Statements). Such foreign currency transaction gains or losses are dependent on the amount of net assets of the Euro functional currency subsidiaries, the amount of the Euro-denominated debt that is designated as a hedge, and fluctuations in foreign currency exchange rates. For more information, see Part I, Item 1A, Risk Factors - "We are exposed to fluctuations in foreign currency exchange rates" in our Annual Report on Form 10-K for the year ended December 31, 2023.

Other Factors

Over the long term, we intend to continue to invest in marketing and promotion, technology, and personnel within parameters consistent with attempts to improve long-term operating results, even if those expenditures create pressure on operating margins. In recent years, our investments in initiatives to drive future growth added pressure on operating margins. We also intend to broaden the scope of our business, including exploring strategic alternatives such as acquisitions.

The competition for technology talent in our industry is intense. As a result of the competitive labor market and inflationary pressure on compensation, our personnel expenses to attract and retain key talent have increased, which has adversely affected our results of operations and may adversely affect our results of operations in the future. See Part I, Item 1A, Risk Factors - "We rely on the performance of highly skilled employees; and, if we are unable to retain or motivate key employees or hire, retain, and motivate well-qualified employees, our business would be harmed" in our Annual Report on Form 10-K for the year ended December 31, 2023.

Outlook

For the third quarter of 2024, we expect:
•the year-over-year growth in room nights will be between 3% and 5%;
•the year-over-year growth in gross bookings will be between 2% and 4%;
•the year-over-year growth in revenues will be between 2% and 4%; and
•operating income will grow at a low single digit percentage relative to the third quarter of 2023.

For the full year 2024, we expect:
•the year-over-year growth in gross bookings will be higher than 6%;
•the year-over-year growth in revenues will be higher than 7%; and
•operating income will be higher than in 2023.
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Critical Accounting Estimates

Management's Discussion and Analysis of Financial Condition and Results of Operations is based upon our Unaudited Consolidated Financial Statements, which have been prepared in accordance with accounting principles generally accepted in the United States ("U.S. GAAP"). Certain of our accounting estimates are particularly important to our financial position and results of operations and require us to make difficult and subjective judgments, often as a result of the need to make estimates of matters that are inherently uncertain. We use our judgment to determine the appropriate assumptions to be used in the determination of certain estimates and we evaluate our estimates on an ongoing basis. Estimates are based on historical experience, terms of existing contracts, our observance of trends in the travel industry, and on various other assumptions that we believe to be reasonable under the circumstances. Our actual results may differ from these estimates under different assumptions or conditions. Matters that involve significant estimates and judgments of management include the valuation of investments in private entities, the valuation of goodwill and other long-lived assets, income taxes, and contingencies. For a discussion of our critical accounting estimates, see the "Critical Accounting Estimates" section of Part II, Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2023.

Recent Accounting Pronouncements

See Note 1 to our Unaudited Consolidated Financial Statements, which is incorporated by reference into this Item 2, for details regarding recent accounting pronouncements.
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Results of Operations
Three and Six Months Ended June 30, 2024 compared to the Three and Six Months Ended June 30, 2023

Operating and Statistical Metrics
 
Our financial results are driven by certain operating metrics that encompass the booking and other business activity generated by our travel and travel-related services. See "Results of Operations" in Part II, Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2023 for additional information on our Operating and Statistical Metrics, including room nights, rental car days, airline tickets, and merchant and agency gross bookings.

Room nights, rental car days, and airline tickets reserved through our services for the three and six months ended June 30, 2024 and 2023 were as follows:
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Room nights2872687.1 %5845427.8 %
Rental car days222010.0 %433910.4 %
Airline tickets11927.7 %231730.3 %

Room nights reserved through our services increased for the three and six months ended June 30, 2024 compared to the three and six months ended June 30, 2023, driven primarily by increased travel demand in Asia and Europe. Rental car days reserved through our services increased for the three and six months ended June 30, 2024 compared to the three and six months ended June 30, 2023, driven primarily by year-over-year growth in rental car demand, which benefited from lower average daily car rental prices. Airline tickets reserved through our services increased for the three and six months ended June 30, 2024 compared to the three and six months ended June 30, 2023, driven primarily by the expansion of the flight offerings at Booking.com and Agoda.

Gross bookings resulting from reservations of room nights, rental car days, and airline tickets made through our merchant and agency categories for the three and six months ended June 30, 2024 and 2023 were as follows (numbers may not total due to rounding):
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Merchant gross bookings$25,830 $21,122 22.3 %$51,591 $41,049 25.7 %
Agency gross bookings15,601 18,570 (16.0)%33,375 38,070 (12.3)%
Total gross bookings$41,431 $39,692 4.4 %$84,966 $79,119 7.4 %

Merchant gross bookings increased and agency gross bookings decreased for the three and six months ended June 30, 2024 compared to the three and six months ended June 30, 2023, due to the ongoing shift from agency bookings to merchant bookings at Booking.com.

The year-over-year increase in total gross bookings during the three months ended June 30, 2024 was due primarily to the increase in room nights and the positive impact from year-over-year growth in airline ticket gross bookings, partially offset by a negative impact of foreign exchange rate fluctuations and a decrease in constant currency accommodation ADRs of approximately 1%.

The year-over-year increase in total gross bookings during the six months ended June 30, 2024 was due primarily to the increase in room nights and the positive impact from year-over-year growth in airline ticket gross bookings, partially offset by a negative impact of foreign exchange rate fluctuations.

Airline ticket gross bookings increased 12% and 20% year-over-year during the three and six months ended June 30, 2024, respectively, due to airline ticket growth, partially offset by lower airline ticket prices. Rental car gross bookings increased 1% year-over-year during the three months ended June 30, 2024 due primarily to rental car days growth, partially offset by lower average daily car rental prices. Rental car gross bookings were about flat year-over-year during the six months ended June 30, 2024 due primarily to lower average daily car rental prices, partially offset by rental car days growth.
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Revenues

Online travel reservation services

Substantially all of our revenues are generated by providing online travel reservation services, which facilitate online travel purchases from travel service providers by travelers. See "Results of Operations" in Part II, Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2023 for additional information on our revenues, including merchant and agency revenues.
 
Advertising and other revenues

See "Results of Operations" in Part II, Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2023 for additional information on our advertising and other revenues.

Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Merchant revenues$3,446 $2,770 24.4 %$5,834 $4,522 29.0 %
Agency revenues2,144 2,429 (11.7)%3,907 4,211 (7.2)%
Advertising and other revenues269 263 2.0 %533 507 5.1 %
Total revenues$5,859 $5,462 7.3 %$10,274 $9,240 11.2 %
% of Total gross bookings14.1 %13.8 %12.1 %11.7 %

Merchant revenues increased while agency revenues decreased for the three and six months ended June 30, 2024 compared to the three and six months ended June 30, 2023 due to the ongoing shift from agency revenues to merchant revenues at Booking.com. Advertising and other revenues increased for the three and six months ended June 30, 2024 compared to the three and six months ended June 30, 2023 due to growth in advertising revenues at Booking.com as well as growth at OpenTable. The year-over-year growth in total revenues for the three months ended June 30, 2024 was negatively affected by the shift in the timing of the Easter holiday relative to last year and by the impact of foreign exchange rate fluctuations.

Total revenues as a percentage of gross bookings was 14.1% and 12.1% for the three and six months ended June 30, 2024, respectively, up from 13.8% and 11.7% for the three and six months ended June 30, 2023, respectively, due to an increase in revenues related to facilitating payments, as well as a positive impact from differences in timing of booking versus travel, partially offset by an increase in the mix of airline ticket gross bookings.

Operating Expenses
 
Marketing Expenses
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Marketing expenses$1,939 $1,801 7.7 %$3,549 $3,318 6.9 %
% of Total gross bookings4.7 %4.5 %4.2 %4.2 %
% of Total revenues 33.1 %33.0 %34.5 %35.9 %
 
Marketing expenses consist primarily of the costs of:
•search engine keyword purchases;
•affiliate programs;
•referrals from meta-search websites;
•offline and online brand marketing; and
•other performance-based marketing.
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Our marketing expenses, which are substantially variable in nature, increased for the three and six months ended June 30, 2024, compared to the three and six months ended June 30, 2023, to help drive additional gross bookings and revenues. Marketing expenses as a percentage of total gross bookings in the second quarter of 2024 were higher than in the second quarter of 2023 due primarily to an increase in brand marketing expenses. Performance marketing expenses as a percentage of gross bookings in the second quarter of 2024 were in line with the second quarter of 2023 as an increase in the share of room nights booked by consumers coming directly to our platforms was offset by increased spend in social media channels and lower performance marketing ROIs due to changes in paid traffic mix.

Sales and Other Expenses
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Sales and other expenses$820 $717 14.4 %$1,498 $1,287 16.4 %
% of Total gross bookings2.0 %1.8 %1.8 %1.6 %
% of Total revenues 14.0 %13.1 % 14.6 %13.9 %
 
Sales and other expenses consist primarily of:
•credit card and other payment processing fees associated with merchant transactions;
•fees paid to third parties that provide call center and other customer services;
•digital services taxes and other similar taxes;
•chargeback provisions and fraud prevention expenses associated with merchant transactions;
•provisions for expected credit losses, mostly related to accommodation commission receivables; and
•customer relations costs.

For the three and six months ended June 30, 2024 sales and other expenses, which are substantially variable in nature, increased for the three and six months ended June 30, 2024, compared to the three and six months ended June 30, 2023 due primarily to an increase in merchant transaction costs of $55 million and $122 million, respectively, and an increase in digital services taxes and other similar taxes of $40 million and $48 million, respectively, including an accrual of $17 million related to the Canadian digital services taxes for the years ended December 31, 2022 and 2023 enacted in June 2024 with retrospective effect. Merchant transactions increased year-over-year in the first half of 2024 due to the ongoing shift from agency transactions to merchant transactions at Booking.com.

Personnel 
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Personnel$807 $752 7.2 %$1,633 $1,474 10.8 %
% of Total revenues 13.8 %13.8 % 15.9 %16.0 %
 
Personnel expenses consist primarily of:
•salaries, bonuses, and stock-based compensation;
•payroll taxes; and
•employee health and other benefits.

Personnel expenses increased for the three and six months ended June 30, 2024, compared to the three and six months ended June 30, 2023, due to increases in salary expenses of $40 million and $95 million, respectively, as well increases in employee benefits expense and stock-based compensation expense, partially offset by a decrease in bonus expense accruals. The year-over-year increase in personnel expenses was impacted by an increase of approximately 5% in employee headcount from approximately 23,100 as of June 30, 2023 to 24,150 as of June 30, 2024.

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General and Administrative 
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
General and administrative$112 $254 (55.9)%$298 $516 (42.3)%
% of Total revenues 1.9 %4.6 % 2.9 %5.6 % 
 
General and administrative expenses consist primarily of:
•fees for certain outside professionals;
•occupancy and office expenses;
•certain travel transaction taxes; and
•personnel-related expenses such as travel, relocation, recruiting, and training expenses.

General and administrative expenses decreased for the three and six months ended June 30, 2024, compared to the three and six months ended June 30, 2023, due to a $78 million (72 million Euros) reduction in the accrual related to the fine imposed by the Spanish competition authority in the second quarter of 2024 as well as a decrease in office and occupancy expenses. In addition, the year-over-year decrease in general and administrative expenses was impacted by the accruals in the three and six months ended June 30, 2023 related to the settlement of certain indirect tax matters of $23 million and $62 million, respectively.

Information Technology
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Information technology$183 $144 27.2 %$370 $281 31.8 %
% of Total revenues 3.1 %2.6 %3.6 %3.0 % 
 
Information technology expenses consist primarily of:
•software license and system maintenance fees;
•cloud computing costs and outsourced data center costs;
•payments to contractors; and
•data communications and other expenses associated with operating our services.

Information technology expenses increased during the three and six months ended June 30, 2024 compared to the three and six months ended June 30, 2023 due to increased software license and system maintenance fees, as well as increased cloud computing costs and outsourced data center costs.
 
Depreciation and Amortization 
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Depreciation and amortization$142 $121 17.4 %$279 $241 15.7 %
% of Total revenues 2.4 %2.2 % 2.7 %2.6 % 
 
Depreciation and amortization expenses consist of:
•amortization of intangible assets with determinable lives;
•amortization of internally-developed and purchased software;
•depreciation of computer equipment; and
•depreciation of leasehold improvements, furniture and fixtures, and office equipment.

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Depreciation and amortization expenses increased during the three and six months ended June 30, 2024, compared to the three and six months ended June 30, 2023, due primarily to increased depreciation of computer equipment, as well as amortization expense related to internally-developed and purchased software.

Interest Expense and Interest and Dividend Income

The following table presents the changes in interest expense and interest and dividend income for the three and six months ended June 30, 2024 and 2023:
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Interest expense$(264)$(241)9.6 %$(483)$(435)11.1 %
Interest and dividend income293 266 10.0 %536 494 8.3 %

Interest expense increased for the three and six months ended June 30, 2024, compared to the three and six months ended June 30, 2023, primarily due to the issuance of senior notes in March 2024 and May 2023, partially offset by a decrease in interest expense related to cash management activities. Interest and dividend income increased for the three and six months ended June 30, 2024, compared to the three and six months ended June 30, 2023, primarily due to higher money market fund investments.

Other Income (Expense), Net

The following table sets forth the composition of "Other income (expense), net" for the three and six months ended June 30, 2024 and 2023:
Three Months Ended
June 30,		Six Months Ended
June 30,
(in millions)2024202320242023
Foreign currency transaction gains (losses)$25 $(48)$161 $(101)
Net gains (losses) on equity securities11 (34)(5)(167)
Other1 2 3 7 
Other income (expense), net$37 $(80)$159 $(261)

See Note 5 to our Unaudited Consolidated Financial Statements for additional information related to net gains (losses) on equity securities.

Foreign currency transaction gains (losses) for the three and six months ended June 30, 2024 includes gains of $68 million and $235 million, respectively, related to our Euro-denominated debt and accrued interest that were not designated as net investment hedges and losses of $77 million and $162 million, respectively, on derivative contracts. Foreign currency transaction gains (losses) for the three and six months ended June 30, 2023 includes losses of $8 million and $34 million, respectively, related to our Euro-denominated debt and accrued interest that were not designated as net investment hedges and losses of $67 million and $84 million, respectively, on derivative contracts.

Income Taxes 
Three Months Ended
June 30,		Increase (Decrease)Six Months Ended
June 30,		Increase (Decrease)
(in millions)2024202320242023
Income tax expense$401 $328 22.6 %$562 $365 53.9 %
% of Income before income taxes
20.9 %20.3 %19.7 %19.0 %
 
Our 2024 effective tax rates differ from the U.S. federal statutory tax rate of 21%, primarily due to the benefit of the Netherlands Innovation Box Tax (discussed below), partially offset by higher international tax rates, U.S. federal and state tax associated with our international earnings, and certain non-deductible expenses. Our 2023 effective tax rates differed from the U.S. federal statutory tax rate of 21%, primarily due to the benefit of the Netherlands Innovation Box Tax, partially offset by higher international tax rates and certain non-deductible expenses.

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Our effective tax rate for the three months ended June 30, 2024 is higher compared to the effective tax rate for the three months ended June 30, 2023, primarily due to higher unrecognized tax benefits and certain lower discrete tax benefits, partially offset by certain lower non-deductible expenses.

Our effective tax rate for the six months ended June 30, 2024 is higher than the effective tax rate for the six months ended June 30, 2023, primarily due to certain lower discrete tax benefits, higher U.S. federal and state tax associated with our international earnings, and a decrease in the benefit of the Netherlands Innovation Box Tax, partially offset by certain lower non-deductible expenses.

During the three and six months ended June 30, 2024 and 2023, a majority of our income was reported in the Netherlands, where Booking.com is based. Under Dutch corporate income tax law, income generated from qualifying innovative activities is taxed at a rate of 9% ("Innovation Box Tax") rather than the Dutch statutory rate of 25.8%. A portion of Booking.com's earnings during the six months ended June 30, 2024 and 2023 qualified for Innovation Box Tax treatment, which had a beneficial impact on the effective tax rates for these periods. For additional information relating to Booking.com's Innovation Box Tax treatment, including associated risks, please see Part I, Item 1A, Risk Factors - "We may not be able to maintain our 'Innovation Box Tax' benefit" in our Annual Report on Form 10-K for the year ended December 31, 2023.

Liquidity and Capital Resources

Our primary source of funds for operations is the cash flow that we generate from operations. We use our cash for a variety of needs, including ongoing investments in our business, share repurchases, dividends, repayment of debt, and capital expenditures. Our continued access to sources of liquidity depends on multiple factors. See Part I, Item 1A, Risk Factors - "Our liquidity, credit ratings, and ongoing access to capital could be materially and negatively affected by global financial conditions and events" in our Annual Report on Form 10-K for the year ended December 31, 2023. Our financial results and prospects are almost entirely dependent on facilitating the sale of travel-related services. Marketing expenses and personnel expenses are the most significant operating expenses for our business. We rely on marketing channels to generate traffic to our websites. See our Unaudited Consolidated Statements of Operations and "Trends" and "Results of Operations" above for additional information on marketing expenses and personnel expenses including stock-based compensation expenses.

At June 30, 2024, we had $16.8 billion in cash, cash equivalents, and investments, of which approximately $10.8 billion is held by our international subsidiaries. Cash, cash equivalents, and long-term investments held by our international subsidiaries are denominated primarily in Euros, U.S. Dollars, and British Pounds Sterling. See Notes 5 and 6 to our Unaudited Consolidated Financial Statements for additional information about our cash equivalents and investments. Our investment policy seeks to preserve capital and maintain sufficient liquidity to meet operational and other needs of the business.

Deferred merchant bookings of $6.9 billion at June 30, 2024 represents cash payments received from travelers in advance of us completing our performance obligations and are comprised principally of amounts estimated to be payable to travel service providers as well as our estimated future revenue for our commission or margin and fees. The amounts are mostly subject to refunds for cancellations.

At June 30, 2024, we had a remaining transition tax liability of $487 million as a result of the U.S. Tax Cuts and Jobs Act ("Tax Act"), which included $257 million reported as "Long-term U.S. transition tax liability" and $230 million included in "Accrued expenses and other current liabilities" in the Unaudited Consolidated Balance Sheet. This liability will be paid over the next two years. In accordance with the Tax Act, generally, future repatriation of our international cash will not be subject to a U.S. federal income tax liability as a dividend, but will be subject to U.S. state income taxes and international withholding taxes, which have been accrued by us.

Our revolving credit facility extends a revolving line of credit up to $2 billion to us and provides for the issuance of up to $80 million of letters of credit, as well as up to $100 million of borrowings on same-day notice (see Note 9 to our Unaudited Consolidated Financial Statements). The revolving credit facility contains a maximum leverage ratio covenant, compliance with which is a condition to our ability to borrow. At June 30, 2024 there were no borrowings outstanding and $22 million of letters of credit issued under the revolving credit facility.

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See Note 9 to our Unaudited Consolidated Financial Statements for additional information related to our debt arrangements, including principal amounts, interest rates, and maturity dates. In March 2024, we issued senior notes with varying maturities for an aggregate principal amount of 2.8 billion Euros ($3.0 billion). The proceeds from the issuance of these senior notes are available for general corporate purposes, including to repurchase shares of our common stock and to redeem or repay outstanding indebtedness. The convertible senior notes due in May 2025 are currently convertible at the option of the holder and have been classified as "Short-term debt" in the Unaudited Consolidated Balance Sheet as of June 30, 2024. If the note holders exercise their option to convert, we deliver cash to repay the principal amount of the notes and deliver shares of common stock or cash, at our option, to satisfy the conversion value in excess of the principal amount. The outstanding senior notes at June 30, 2024 had cumulative interest to maturity of $3.8 billion, with $548 million payable within the next twelve months.

See Note 10 to our Unaudited Consolidated Financial Statements for additional information related to our share repurchases and dividends declared and paid. During the six months ended June 30, 2024, we repurchased shares of our common stock for an aggregate cost of $3.5 billion, including $321 million to repurchase shares of our common stock withheld to satisfy employee withholding tax obligations related to stock-based compensation. At June 30, 2024, we had a total remaining authorization of $10.6 billion related to a program authorized by our Board of Directors ("the Board") in 2023 to repurchase up to $20 billion of our common stock. We expect to complete the share repurchases under the remaining authorization by the end of 2026, assuming no major downturn in the travel market. Excise tax obligations that result from our share repurchases are accounted for as a cost of the treasury stock transaction. As of June 30, 2024, we recorded an estimated excise tax liability of $124 million. During the six months ended June 30, 2024, we paid cash dividends of $594 million. In July 2024, the Board declared a cash dividend of $8.75 per share of common stock, payable on September 30, 2024 to stockholders of record as of the close of business on September 6, 2024.

At June 30, 2024, we had lease obligations of $865 million, of which $217 million is payable within the next twelve months. Additionally, at June 30, 2024, we had, in the aggregate, $240 million of non-cancellable purchase obligations individually greater than $10 million, of which $115 million is payable within the next twelve months. Such purchase obligations relate to agreements to purchase goods and services that are enforceable and legally binding and that specify significant terms, including the quantities to be purchased, price provisions, and the approximate timing of the transaction.
    
At June 30, 2024, there were $1.0 billion of standby letters of credit and bank guarantees issued on our behalf, which were obtained primarily for regulatory purposes.

See Note 13 to our Unaudited Consolidated Financial Statements for additional information related to our commitments and contingencies.

We believe that our existing cash balances and liquid resources will be sufficient to fund our operating activities, capital expenditures, and other obligations through at least the next twelve months. However, if we are not successful in generating sufficient cash flow from operations or in raising additional capital when required in sufficient amounts and on terms acceptable to us, we may be required to reduce our planned capital expenditures and scale back the scope of our business plans, either of which could have a material adverse effect on our business, our ability to compete or our future growth prospects, financial condition, and results of operations. If additional funds were raised through the issuance of equity securities, the percentage ownership of our then current stockholders would be diluted. We may not generate sufficient cash flow from operations in the future, revenues growth or sustained profitability may not be realized, and future borrowings or equity sales may not be available in amounts sufficient to make anticipated capital expenditures, finance our strategies, or repay our indebtedness.

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Cash Flow Analysis

Net cash provided by operating activities for the six months ended June 30, 2024 was $5.2 billion, resulting from net income of $2.3 billion, a favorable net impact from adjustments for non-cash and other items of $602 million, and a favorable net change in working capital and other assets and liabilities of $2.3 billion. Non-cash and other items were principally associated with stock-based compensation expense, depreciation and amortization, unrealized foreign currency transaction gains related to Euro-denominated debt, provision for expected credit losses and chargebacks, and operating lease amortization. For the six months ended June 30, 2024, deferred merchant bookings and other current liabilities increased by $3.3 billion and accounts receivable increased by $830 million, primarily due to higher business volumes. Merchant revenues increased while agency revenues decreased for the six months ended June 30, 2024 compared to the six months ended June 30, 2023 due to the ongoing shift from agency revenues to merchant revenues at Booking.com.

Net cash provided by operating activities for the six months ended June 30, 2023 was $4.6 billion, resulting from net income of $1.6 billion, a favorable net impact from adjustments for non-cash and other items of $509 million, and a favorable net change in working capital and other assets and liabilities of $2.6 billion. Non-cash and other items were principally associated with deferred income tax benefit, depreciation and amortization, stock-based compensation expense, net losses on equity securities, provision for expected credit losses and chargebacks, and operating lease amortization. For the six months ended June 30, 2023, deferred merchant bookings and other current liabilities increased by $3.1 billion and accounts receivable increased by $672 million, primarily due to increases in business volumes.

Net cash provided by investing activities for the six months ended June 30, 2024 was $206 million, resulting mainly from proceeds from the maturity of investments of $515 million, partially offset with additions to property and equipment of $276 million. Net cash provided by investing activities for the six months ended June 30, 2023 was $1.5 billion, principally resulting from proceeds from the sale and maturity of investments of $1.7 billion, partially offset with additions to property and equipment of $180 million.

Net cash used in financing activities for the six months ended June 30, 2024 was $1.2 billion, resulting mainly from payments for the repurchase of common stock of $3.5 billion and dividends of $594 million, partially offset with proceeds from the issuance of long-term debt of $3.0 billion. Net cash used in financing activities for the six months ended June 30, 2023 was $3.8 billion, resulting from payments for the repurchase of common stock of $5.2 billion and payments on the maturity of debt of $500 million, partially offset with proceeds from the issuance of long-term debt of $1.9 billion.

Contingencies

For information related to tax matters, see Note 13 to our Unaudited Consolidated Financial Statements and Part I, Item IA, Risk Factors - "We may have exposure to additional tax liabilities" in our Annual Report on Form 10-K for the year ended December 31, 2023.

For information related to our contingent liabilities, see Note 13 to our Unaudited Consolidated Financial Statements.


SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS
 
This Form 10-Q, including "Management's Discussion and Analysis of Financial Condition and Results of Operation" in Part I, Item 2, and the documents incorporated by reference contain forward-looking statements. These statements reflect our views regarding current expectations and projections about future events and conditions and are based on currently available information. They are not guarantees of future performance and are subject to risks, uncertainties, and assumptions that are difficult to predict including the Risk Factors identified in Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2023; therefore, our actual results could differ materially from those expressed or described in the forward-looking statements.
 
Expressions of future goals and expectations and similar expressions, including "may," "will," "should," "could," "aims," "seeks," "expects," "plans," "anticipates," "intends," "believes," "estimates," "predicts," "potential," "targets," and "continue," reflecting something other than historical fact are intended to identify forward-looking statements. Unless required by law, we undertake no obligation to update publicly any forward-looking statements, whether as a result of new information, future events, or otherwise. However, readers should carefully review the reports and documents we file or furnish from time to time with the Securities and Exchange Commission, particularly our Annual Report on Form 10-K for the year ended December 31, 2023, our subsequent Quarterly Reports on Form 10-Q, and our Current Reports on Form 8-K.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk
 
We have exposure to several types of market risk, including changes in interest rates, foreign currency exchange rates, and equity prices. See Part II, Item 7A, Quantitative and Qualitative Disclosures About Market Risk in our Annual Report on Form 10-K for the year ended December 31, 2023 for additional information on our policies and how we manage our exposure to such risks.

See Note 9 to our Unaudited Consolidated Financial Statements for information about our convertible senior notes and other debt. Excluding the effect on the fair value of our convertible senior notes, a hypothetical 100 basis point (1.0%) decrease in interest rates would have resulted in an increase in the estimated fair value of our other debt of approximately $790 million at June 30, 2024. Our convertible senior notes are more sensitive to the equity market price volatility of our shares than changes in interest rates. The fair value of the convertible senior notes will likely increase as the market price of our shares increases and will likely decrease as the market price of our shares falls. Our convertible senior notes due in May 2025 are currently convertible at the option of the holder. If the note holders exercise their option to convert, we deliver cash to repay the principal amount of the notes and deliver shares of common stock or cash, at our option, to satisfy the conversion value in excess of the principal amount.

We face exposure to movements in foreign currency exchange rates as the financial results and the financial condition of our businesses outside of the U.S., which represent a substantial majority of our financial results, are translated from local currencies (principally Euros and British Pounds Sterling) into U.S. Dollars. For example, our total gross bookings increased by 4% and 7% for the three and six months ended June 30, 2024, respectively, as compared to the three and six months ended June 30, 2023, but without the impact of changes in foreign currency exchange rates our total gross bookings increased year-over-year on a constant-currency basis by approximately 6% and 8%, respectively. Our total revenues increased by 7% and 11% for the three and six months ended June 30, 2024, respectively, as compared to the three and six months ended June 30, 2023, but without the impact of changes in foreign currency exchange rates, our total revenues increased year-over-year on a constant-currency basis by approximately 9% and 12%, respectively. See Notes 9 and 14 to our Unaudited Consolidated Financial Statements and Item 2, Management's Discussion and Analysis of Financial Condition and Results of Operations for additional information about foreign currency transaction gains and losses, changes in foreign currency exchange rates, the impact of such changes on the increase in our revenues and operating margins, and our designation of certain portions of our Euro-denominated debt as a hedge of the foreign currency exposure of the net investment in certain Euro functional currency subsidiaries.

See Notes 5 and 6 to our Unaudited Consolidated Financial Statements for information about our investments in equity securities of publicly-traded companies and private entities. A hypothetical 10% decrease in the fair values at June 30, 2024 of our investments in equity securities of publicly-traded companies and private entities would have resulted in a loss, before tax, of approximately $45 million being recognized in net income.

Item 4. Controls and Procedures
 
Under the supervision and with the participation of management, including our principal executive officer and our principal financial officer, we conducted an evaluation of our disclosure controls and procedures, as such a term is defined under Exchange Act Rule 13a-15(e). Based on this evaluation, our principal executive officer and our principal financial officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this report.
 
In 2022, we began a multi-year implementation to integrate and upgrade certain financial systems and processes, including but not limited to SAP S4 HANA ("SAP"). As a result of these improvements, there were changes to our internal control over financial reporting processes and procedures. However, there were no changes in our internal control over financial reporting (as such term is defined in Exchange Act Rule 13a-15(f)) that occurred during the three months ended June 30, 2024 that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. Further, as the phased implementation of SAP continues, there will be additional changes to our processes and procedures that are likely to impact our internal control over financial reporting.

We believe we are taking the necessary steps to monitor and maintain appropriate internal control over financial reporting during this period of change.

While we expect this implementation to strengthen our internal financial controls by automating certain manual processes and standardizing business processes and reporting across our organization, management will continue to evaluate and monitor our internal controls as the implementation continues.

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PART II - OTHER INFORMATION
 
Item 1. Legal Proceedings
 
A description of any material legal proceedings to which we are a party, and updates thereto, is included in Note 13 to our Unaudited Consolidated Financial Statements included in this Quarterly Report on Form 10-Q for the three months ended June 30, 2024, and is incorporated into this Part II, Item 1 by reference thereto.

Item 1A.  Risk Factors

Our operations and financial results are subject to various risks and uncertainties which could adversely affect our business, financial condition, results of operations, cash flows, and the trading price of our common stock. For a discussion of such risks, please refer to Part I, Item 1A, Risk Factors in our Annual Report on Form 10-K for the year ended December 31, 2023.

Item 2.  Unregistered Sales of Equity Securities and Use of Proceeds
 
The following table sets forth information relating to repurchases of our equity securities during the three months ended June 30, 2024:

ISSUER PURCHASES OF EQUITY SECURITIES 
PeriodTotal Number
of Shares (or
Units) Purchased
Average
Price Paid per
Share (or Unit) (1)
Total Number of
Shares (or Units)
Purchased as Part of
Publicly Announced
Plans or Programs		Maximum 
Number (or
Approximate Dollar Value)
of Shares (or Units) 
that May
Yet Be Purchased 
Under the
Plans or Programs
(Dollars in Billions)		 
April 1, 2024 –161,489 
(2)
$3,529 161,489 $11.6 
(2)
April 30, 2024229 
(3)
$3,621 N/AN/A
May 1, 2024 –153,197 
(2)
$3,696 153,197 $11.0 
(2)
May 31, 20241,377 
(3)
$3,800 N/AN/A
June 1, 2024 –120,805 
(2)
$3,885 120,805 $10.6 
 (2)
June 30, 2024105 
(3)
$3,827 N/AN/A
Total437,202 435,491 $10.6 
(1)    These amounts exclude the 1% excise tax mandated by the Inflation Reduction Act on share repurchases.
(2)    Pursuant to a stock repurchase program announced on February 23, 2023, whereby we were authorized to repurchase up to $20 billion of our common stock.
(3)    Pursuant to a general authorization, not publicly announced, whereby we are authorized to repurchase shares of our common stock to satisfy employee withholding tax obligations related to stock-based compensation. The table above does not include adjustments during the three months ended June 30, 2024 to previously withheld share amounts that reflect changes to the estimates of employee tax withholding obligations.

Item 5. Other Information

The following activities are disclosed as required by Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended. The Company has determined that a limited number of bookings were made through Agoda at accommodations in Iran that were ultimately owned or controlled by the Government of Iran and covered by the travel exemption in applicable U.S. sanctions regulations, as well as one booking at a property that may be owned by a party blocked pursuant to Executive Order No. 13224, for which the travel exemption is not available (the Company has notified, and intends to cooperate with, relevant authorities regarding this booking). The bookings resulted in gross revenues of approximately $1,000 and no net profit. Agoda does not intend to continue these activities or transactions.

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Item 6.  Exhibits
 
The exhibits listed below are filed as part of this Quarterly Report on Form 10-Q.
 
Exhibit
Number		Description
  
3.1(a)
Restated Certificate of Incorporation.
3.2(b)
Certificate of Amendment of the Restated Certificate of Incorporation, dated as of June 4, 2021.
3.3(c)
Amended and Restated By-Laws of Booking Holdings Inc., dated as of April 18, 2024.
Certification of Glenn D. Fogel, the Chief Executive Officer and President, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
Certification of Ewout L. Steenbergen, the Executive Vice President and Chief Financial Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
Certification of Glenn D. Fogel, the Chief Executive Officer and President, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
Certification of Ewout L. Steenbergen, the Executive Vice President and Chief Financial Officer, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INSXBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
104
Cover Page Interactive Data File - the cover page from this Quarterly Report on Form 10-Q for the quarter ended June 30, 2024, formatted in Inline XBRL (included in Exhibit 101).
(a)    Previously filed as an exhibit to the Current Report on Form 8-K filed on February 21, 2018 and incorporated herein by reference.
(b)    Previously filed as an exhibit to the Current Report on Form 8-K filed on June 4, 2021 and incorporated herein by reference.
(c)    Previously filed as an exhibit to the Current Report on Form 8-K filed on April 22, 2024 and incorporated herein by reference.

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SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
 
 
  BOOKING HOLDINGS INC.
  (Registrant)
   
   
Date:August 1, 2024By:/s/ Ewout L. Steenbergen
  Name:  Ewout L. Steenbergen
Title:    Executive Vice President and Chief Financial Officer
  
(On behalf of the Registrant and as principal financial officer)
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Exhibit 31.1
 
CERTIFICATION
 
I, Glenn D. Fogel, certify that:
 
1.                                       I have reviewed this Quarterly Report on Form 10-Q of Booking Holdings Inc. (the “Registrant”);
 
2.                                       Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
 
3.                                       Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;
 
4.                                       The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:
 
a.               designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 
b.              designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
 
c.               evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 
d.              disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and
 
5.                                       The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):
 
a.               all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and
 
b.              any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.
 
 
Dated:August 1, 2024 /s/ Glenn D. Fogel
 Name:Glenn D. Fogel
 Title:President and Chief Executive Officer


Exhibit 31.2
 
CERTIFICATION
 
I, Ewout L. Steenbergen, certify that:
 
1.                                      I have reviewed this Quarterly Report on Form 10-Q of Booking Holdings Inc. (the “Registrant”);
 
2.                                      Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
 
3.                                      Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;
 
4.                                      The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:
 
a.               designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 
b.              designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
 
c.               evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 
d.              disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and
 
5.                                      The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):
 
a.               all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and
 
b.              any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.
 
 
Dated:August 1, 2024 /s/ Ewout L. Steenbergen
 Name:Ewout L. Steenbergen
 Title:Executive Vice President and Chief Financial Officer


Exhibit 32.1
 
Certification
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)
 
Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of Booking Holdings Inc., a Delaware corporation (the “Company”), hereby certifies that, to his knowledge:
 
The Quarterly Report on Form 10-Q for the quarter ended June 30, 2024 (the “Report”) of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
 
 
Dated:August 1, 2024 /s/ Glenn D. Fogel
 Name:Glenn D. Fogel
 Title:President and Chief Executive Officer
 
The foregoing certification is being furnished solely pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code) and is not being filed as part of the Report or as a separate disclosure document.
 
A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.


Exhibit 32.2
 
Certification
Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)
 
Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), the undersigned officer of Booking Holdings Inc., a Delaware corporation (the “Company”), hereby certifies that, to his knowledge:
 
The Quarterly Report on Form 10-Q for the quarter ended June 30, 2024 (the “Report”) of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
 
 
Dated:August 1, 2024 /s/ Ewout L. Steenbergen
 Name:Ewout L. Steenbergen
 Title:Executive Vice President and Chief Financial Officer
 
The foregoing certification is being furnished solely pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code) and is not being filed as part of the Report or as a separate disclosure document.
 
A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

v3.24.2.u1
Cover Page - shares
 6 Months Ended
Jun. 30, 2024
Jul. 25, 2024
Entity Information [Line Items]    
Document Type 10-Q  
Document Fiscal Period Focus Q2  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2024  
Document Transition Report false  
Amendment Flag false  
Document Fiscal Year Focus 2024  
Current Fiscal Year End Date --12-31  
Entity File Number 1-36691  
Entity Registrant Name Booking Holdings Inc.  
Entity Central Index Key 0001075531  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 06-1528493  
Entity Address, Address Line One 800 Connecticut Avenue  
Entity Address, City or Town Norwalk  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06854  
City Area Code 203  
Local Phone Number 299-8000  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   33,524,388
Common Stock    
Entity Information [Line Items]    
Title of 12(b) Security Common Stock par value $0.008 per share  
Trading Symbol BKNG  
Security Exchange Name NASDAQ  
2.375% Senior Notes Due 2024    
Entity Information [Line Items]    
Title of 12(b) Security 2.375% Senior Notes Due 2024  
Trading Symbol BKNG 24  
Security Exchange Name NASDAQ  
0.100% Senior Notes Due 2025    
Entity Information [Line Items]    
Title of 12(b) Security 0.100% Senior Notes Due 2025  
Trading Symbol BKNG 25  
Security Exchange Name NASDAQ  
4.000% Senior Notes Due 2026    
Entity Information [Line Items]    
Title of 12(b) Security 4.000% Senior Notes Due 2026  
Trading Symbol BKNG 26  
Security Exchange Name NASDAQ  
1.800% Senior Notes Due 2027    
Entity Information [Line Items]    
Title of 12(b) Security 1.800% Senior Notes Due 2027  
Trading Symbol BKNG 27  
Security Exchange Name NASDAQ  
0.500% Senior Notes Due 2028    
Entity Information [Line Items]    
Title of 12(b) Security 0.500% Senior Notes Due 2028  
Trading Symbol BKNG 28  
Security Exchange Name NASDAQ  
3.625% Senior Notes Due 2028    
Entity Information [Line Items]    
Title of 12(b) Security 3.625% Senior Notes Due 2028  
Trading Symbol BKNG 28A  
Security Exchange Name NASDAQ  
4.250% Senior Notes Due 2029    
Entity Information [Line Items]    
Title of 12(b) Security 4.250% Senior Notes Due 2029  
Trading Symbol BKNG 29  
Security Exchange Name NASDAQ  
3.500% Senior Notes Due 2029    
Entity Information [Line Items]    
Title of 12(b) Security 3.500% Senior Notes Due 2029  
Trading Symbol BKNG 29A  
Security Exchange Name NASDAQ  
4.500% Senior Notes Due 2031    
Entity Information [Line Items]    
Title of 12(b) Security 4.500% Senior Notes Due 2031  
Trading Symbol BKNG 31  
Security Exchange Name NASDAQ  
3.625% Senior Notes Due 2032    
Entity Information [Line Items]    
Title of 12(b) Security 3.625% Senior Notes Due 2032  
Trading Symbol BKNG 32  
Security Exchange Name NASDAQ  
4.125% Senior Notes Due 2033    
Entity Information [Line Items]    
Title of 12(b) Security 4.125% Senior Notes Due 2033  
Trading Symbol BKNG 33  
Security Exchange Name NASDAQ  
4.750% Senior Notes Due 2034    
Entity Information [Line Items]    
Title of 12(b) Security 4.750% Senior Notes Due 2034  
Trading Symbol BKNG 34  
Security Exchange Name NASDAQ  
3.750% Senior Notes Due 2036    
Entity Information [Line Items]    
Title of 12(b) Security 3.750% Senior Notes Due 2036  
Trading Symbol BKNG 36  
Security Exchange Name NASDAQ  
4.000% Senior Notes Due 2044    
Entity Information [Line Items]    
Title of 12(b) Security 4.000% Senior Notes Due 2044  
Trading Symbol BKNG 44  
Security Exchange Name NASDAQ  
v3.24.2.u1
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 16,290 $ 12,107
Short-term investments (Available-for-sale debt securities: Amortized cost of $37 and $580, respectively) 37 576
Accounts receivable, net (Allowance for expected credit losses of $111 and $137, respectively) 3,814 3,253
Prepaid expenses, net 670 644
Other current assets 482 454
Total current assets 21,293 17,034
Property and equipment, net 875 784
Operating lease assets 637 705
Intangible assets, net 1,498 1,613
Goodwill 2,814 2,826
Long-term investments 468 440
Other assets, net 956 940
Total assets 28,541 24,342
Current liabilities:    
Accounts payable 3,928 3,480
Accrued expenses and other current liabilities 3,900 4,635
Deferred merchant bookings 6,931 3,254
Short-term debt 3,447 1,961
Total current liabilities 18,206 13,330
Deferred income taxes 264 258
Operating lease liabilities 529 599
Long-term U.S. transition tax liability 257 515
Other long-term liabilities 200 161
Long-term debt 13,361 12,223
Total liabilities 32,817 27,086
Commitments and contingencies (see Note 13)
Stockholders' deficit:    
Common stock, $0.008 par value, Authorized shares: 1,000,000,000 Issued shares: 64,258,892 and 64,048,000, respectively 0 0
Treasury stock: 30,622,956 and 29,650,351 shares, respectively (44,958) (41,426)
Additional paid-in capital 7,479 7,175
Retained earnings 33,527 31,830
Accumulated other comprehensive loss (324) (323)
Total stockholders' deficit (4,276) (2,744)
Total liabilities and stockholders' deficit $ 28,541 $ 24,342
v3.24.2.u1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Accounts receivable, allowance for expected credit losses $ 111 $ 137
Common stock, par value (in dollars per share) $ 0.008 $ 0.008
Common stock, shares authorized (in shares) 1,000,000,000 1,000,000,000
Common stock, shares issued (in shares) 64,258,892 64,048,000
Treasury stock, shares (in shares) 30,622,956 29,650,351
Short-term Investments    
Available-for-sale debt securities, amortized cost $ 37 $ 580
v3.24.2.u1
UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Total revenues $ 5,859 $ 5,462 $ 10,274 $ 9,240
Operating expenses:        
Marketing expenses 1,939 1,801 3,549 3,318
Sales and other expenses 820 717 1,498 1,287
Personnel, including stock-based compensation of $140, $128, $284, and $241, respectively 807 752 1,633 1,474
General and administrative 112 254 298 516
Information technology 183 144 370 281
Depreciation and amortization 142 121 279 241
Total operating expenses 4,003 3,789 7,627 7,117
Operating income 1,856 1,673 2,647 2,123
Interest expense (264) (241) (483) (435)
Interest and dividend income 293 266 536 494
Other income (expense), net 37 (80) 159 (261)
Income before income taxes 1,922 1,618 2,859 1,921
Income tax expense 401 328 562 365
Net income $ 1,521 $ 1,290 $ 2,297 $ 1,556
Net income applicable to common stockholders per basic common share (in dollars per share) $ 44.94 $ 35.16 $ 67.51 $ 41.88
Weighted-average number of basic common shares outstanding (in shares) 33,839 36,678 34,023 37,147
Net income applicable to common stockholders per diluted common share (in dollars per share) $ 44.38 $ 34.89 $ 66.60 $ 41.51
Weighted-average number of diluted common shares outstanding (in shares) 34,267 36,964 34,486 37,471
Merchant revenues        
Total revenues $ 3,446 $ 2,770 $ 5,834 $ 4,522
Agency revenues        
Total revenues 2,144 2,429 3,907 4,211
Advertising and other revenues        
Total revenues $ 269 $ 263 $ 533 $ 507
v3.24.2.u1
UNAUDITED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Income Statement [Abstract]        
Stock-based compensation expense $ 140 $ 128 $ 284 $ 241
v3.24.2.u1
UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]        
Net income $ 1,521 $ 1,290 $ 2,297 $ 1,556
Other comprehensive income (loss), net of tax 32 (24) (1) (24)
Comprehensive income $ 1,553 $ 1,266 $ 2,296 $ 1,532
v3.24.2.u1
UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Millions
Total
Common Stock
Treasury Stock
Additional Paid-in Capital
Retained Earnings
Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2022   63,781 (25,918)      
Balance at Dec. 31, 2022 $ 2,782 $ 0 $ (30,983) $ 6,491 $ 27,541 $ (267)
Increase (Decrease) in Stockholders' Equity            
Net income 1,556       1,556  
Other comprehensive income (loss), net of tax (24)         (24)
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)   234        
Exercise of stock options and vesting of restricted stock units and performance share units 109 $ 0   109    
Stock-based compensation $ 248     248    
Repurchase of common stock (in shares) (2,056)   (2,056)      
Repurchase of common stock $ (5,336)   $ (5,336)      
Balance (in shares) at Jun. 30, 2023   64,015 (27,974)      
Balance at Jun. 30, 2023 (665) $ 0 $ (36,319) 6,848 29,097 (291)
Balance (in shares) at Mar. 31, 2023   64,008 (26,796)      
Balance at Mar. 31, 2023 1,074 $ 0 $ (33,178) 6,712 27,807 (267)
Increase (Decrease) in Stockholders' Equity            
Net income 1,290       1,290  
Other comprehensive income (loss), net of tax (24)         (24)
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)   7        
Exercise of stock options and vesting of restricted stock units and performance share units 4 $ 0   4    
Stock-based compensation $ 132     132    
Repurchase of common stock (in shares) (1,178)   (1,178)      
Repurchase of common stock $ (3,141)   $ (3,141)      
Balance (in shares) at Jun. 30, 2023   64,015 (27,974)      
Balance at Jun. 30, 2023 (665) $ 0 $ (36,319) 6,848 29,097 (291)
Balance (in shares) at Dec. 31, 2023   64,048 (29,650)      
Balance at Dec. 31, 2023 (2,744) $ 0 $ (41,426) 7,175 31,830 (323)
Increase (Decrease) in Stockholders' Equity            
Net income 2,297       2,297  
Other comprehensive income (loss), net of tax (1)         (1)
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)   211        
Exercise of stock options and vesting of restricted stock units and performance share units 9 $ 0   9    
Stock-based compensation $ 295     295    
Repurchase of common stock (in shares) (973)   (973)      
Repurchase of common stock $ (3,532)   $ (3,532)      
Dividends (600)       (600)  
Balance (in shares) at Jun. 30, 2024   64,259 (30,623)      
Balance at Jun. 30, 2024 (4,276) $ 0 $ (44,958) 7,479 33,527 (324)
Balance (in shares) at Mar. 31, 2024   64,252 (30,186)      
Balance at Mar. 31, 2024 (4,052) $ 0 $ (43,330) 7,330 32,304 (356)
Increase (Decrease) in Stockholders' Equity            
Net income 1,521       1,521  
Other comprehensive income (loss), net of tax 32         32
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)   7        
Exercise of stock options and vesting of restricted stock units and performance share units 3 $ 0   3    
Stock-based compensation $ 146     146    
Repurchase of common stock (in shares) (437)   (437)      
Repurchase of common stock $ (1,628)   $ (1,628)      
Dividends (298)       (298)  
Balance (in shares) at Jun. 30, 2024   64,259 (30,623)      
Balance at Jun. 30, 2024 $ (4,276) $ 0 $ (44,958) $ 7,479 $ 33,527 $ (324)
v3.24.2.u1
UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
OPERATING ACTIVITIES:          
Net income $ 1,521 $ 1,290 $ 2,297 $ 1,556  
Adjustments to reconcile net income to net cash provided by operating activities:          
Depreciation and amortization     279 241  
Provision for expected credit losses and chargebacks     184 135  
Deferred income tax benefit     (2) (389)  
Net losses on equity securities (11) 34 5 167  
Stock-based compensation expense     284 241  
Operating lease amortization     79 80  
Unrealized foreign currency transaction (gains) losses related to Euro-denominated debt (68) 8 (235) 34  
Other     8 0  
Changes in assets and liabilities:          
Accounts receivable     (830) (672)  
Prepaid expenses and other current assets     (33) (90)  
Deferred merchant bookings and other current liabilities     3,337 3,129  
Other     (144) 194  
Net cash provided by operating activities     5,229 4,626  
INVESTING ACTIVITIES:          
Proceeds from sale and maturity of investments     515 1,737  
Additions to property and equipment     (276) (180)  
Other investing activities     (33) (10)  
Net cash provided by investing activities     206 1,547  
FINANCING ACTIVITIES:          
Proceeds from the issuance of long-term debt     2,959 1,893  
Payment on maturity of debt     0 (500)  
Payments for repurchase of common stock     (3,518) (5,249)  
Dividends paid     (594) 0  
Proceeds from exercise of stock options     9 109  
Other financing activities     (38) (40)  
Net cash used in financing activities     (1,182) (3,787)  
Effect of exchange rate changes on cash and cash equivalents and restricted cash and cash equivalents     (59) (7)  
Net increase in cash and cash equivalents and restricted cash and cash equivalents     4,194 2,379  
Total cash and cash equivalents and restricted cash and cash equivalents, beginning of period     12,135 12,251 $ 12,251
Total cash and cash equivalents and restricted cash and cash equivalents, end of period $ 16,329 $ 14,630 $ 16,329 $ 14,630 $ 12,135
v3.24.2.u1
BASIS OF PRESENTATION
 6 Months Ended
Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
BASIS OF PRESENTATION BASIS OF PRESENTATION
 
Management of Booking Holdings Inc. (the "Company") is responsible for the Unaudited Consolidated Financial Statements included in this document, which have been prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") and include all normal and recurring adjustments that management of the Company considers necessary for a fair presentation of its financial position and operating results. The Company prepared the Unaudited Consolidated Financial Statements following the requirements of the Securities and Exchange Commission for interim reporting. As permitted under those rules, the Company condensed or omitted certain footnotes or other financial information that are normally required by U.S. GAAP for annual financial statements. These Unaudited Consolidated Financial Statements should be read in combination with the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.
 
The Unaudited Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiaries, including acquired businesses from the dates of acquisition. All intercompany accounts and transactions have been eliminated in consolidation. The functional currency of the Company's subsidiaries is generally the respective local currency. For international operations, assets and liabilities are translated into U.S. Dollars at the rate of exchange existing at the balance sheet date. Income statement amounts are translated at monthly average exchange rates applicable for the period. Translation gains and losses are included as a component of "Accumulated other comprehensive loss" in the accompanying Consolidated Balance Sheets. Foreign currency transaction gains and losses are included in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations.
 
Revenues, expenses, assets, and liabilities can vary during each quarter of the year. Therefore, the results and trends in these interim financial statements may not be the same as those for any subsequent quarter or the full year.

Reclassification

Certain amounts from prior periods have been reclassified to conform to the current period presentation. These include the reclassification of certain indirect taxes, primarily digital services taxes, between "General and administrative" expenses and "Sales and other expenses" in the Unaudited Consolidated Statements of Operations. See Notes 2 and 21 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Recent Accounting Pronouncements

See "Recent Accounting Pronouncements Adopted" and "Other Recent Accounting Pronouncements" in Note 2 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Improved guidance to help determine transactions to be accounted for as share-based payment arrangements
    
In March 2024, the Financial Accounting Standards Board issued an Accounting Standards Update adding illustrative guidance to help entities determine whether profits interest and similar awards should be accounted for as share-based payment arrangements within the scope of the Accounting Standards Codification ("ASC") 718, Compensation - Stock Compensation. The update is effective for annual and interim financial statements beginning with the fiscal year 2025. The Company is currently evaluating the impact of the update on its Consolidated Financial Statements.
v3.24.2.u1
REVENUES
 6 Months Ended
Jun. 30, 2024
Revenue from Contract with Customer [Abstract]  
REVENUES REVENUES
Disaggregation of Revenues

Geographic Information

The Company's revenues from its businesses outside of the U.S. consists of the results of Booking.com, Agoda, and Rentalcars.com in their entirety and the results of the KAYAK and OpenTable businesses located outside of the U.S. This classification is independent of where the consumer resides, where the consumer is physically located while using the Company's services, or the location of the travel service provider or restaurant. For example, a reservation made through Booking.com (which is domiciled in the Netherlands) at a hotel in New York by a consumer in the U.S. is part of the results of the Company's businesses outside of the U.S. The Company's geographic information on revenues is as follows (in millions):
Outside of the U.S.
U.S.The NetherlandsOtherTotal Company
Total revenues for the three months ended June 30,
2024$638 $4,463 $758 $5,859 
2023$615 $4,340 $507 $5,462 
Total revenues for the six months ended June 30,
2024$1,195 $7,802 $1,277 $10,274 
2023$1,138 $7,199 $903 $9,240 

Revenues by Type of Service

Approximately 89% of the Company's revenues for the three and six months ended June 30, 2024 and 2023 relate to online accommodation reservation services. Revenues from all other sources of online travel reservation services and advertising and other revenues each individually represent less than 10% of the Company's total revenues for each period.

Consumer Incentive Programs

At June 30, 2024 and December 31, 2023, liabilities of $112 million and $149 million, respectively, were included in "Accrued expenses and other current liabilities" in the Consolidated Balance Sheets for incentives granted to consumers, including referral bonuses, rebates, credits, discounts, and loyalty programs.

Deferred Merchant Bookings

Cash payments received from travelers in advance of the Company completing its performance obligations are included in "Deferred merchant bookings" in the Company's Consolidated Balance Sheets and are comprised principally of amounts estimated to be payable to travel service providers as well as the Company's estimated future revenue for its commission or margin and fees. The amounts are mostly subject to refunds for cancellations.
v3.24.2.u1
STOCK-BASED COMPENSATION
 6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
STOCK-BASED COMPENSATION STOCK-BASED COMPENSATION
 
The Company maintains equity incentive plans that include broad-based grants of restricted stock units, performance share units granted to officers and certain other employees, and stock options granted to certain employees.

Restricted stock units and performance share units granted by the Company during the six months ended June 30, 2024 had an aggregate grant-date fair value of $620 million. Restricted stock units and performance share units that vested during the six months ended June 30, 2024 had an aggregate fair value at vesting of $716 million. At June 30, 2024, there was $991 million of estimated total future stock-based compensation expense related to unvested restricted stock units and performance share units to be recognized over a weighted-average period of 2.1 years.

The following table summarizes the activity in restricted stock units and performance share units for employees and non-employee directors during the six months ended June 30, 2024: 
Restricted Stock UnitsPerformance Share Units
SharesWeighted-average Grant-date Fair ValueSharesWeighted-average Grant-date Fair Value
Unvested at December 31, 2023 (1)
291,404$2,404233,026$2,467
Granted (2)
139,749$3,51235,301$3,660
Vested(128,741)$2,327(76,070)$2,452
Performance shares adjustment (3)
(102)$3,429
Forfeited(8,110)$2,689(3,994)$2,532
Unvested at June 30, 2024294,302$2,957188,161$2,695
(1)    Excludes 4,399 performance share units awarded during the year ended December 31, 2022 for which the grant date under ASC 718, Compensation - Stock Compensation, was not established as of December 31, 2023. Among other conditions, for the grant date to be established, a mutual understanding is required to be reached between the Company and the employee of the key terms and conditions of the award, including the performance targets. The performance targets for each of the annual performance periods under the award are set at the beginning of the respective year.
(2)    Includes 4,399 performance share units awarded during the year ended December 31, 2022 for which the grant date under ASC 718 was established.
(3)    Probable outcome for performance-based awards is updated based upon changes in actual and forecasted operating results or expected achievement of performance goals, as applicable, and the impact of modifications, if any.

The following table summarizes the activity in stock options during the six months ended June 30, 2024:
Employee Stock OptionsNumber of SharesWeighted-average Exercise PriceAggregate
 Intrinsic Value (in millions)		Weighted-average Remaining Contractual Term
(in years)
Balance, December 31, 202325,523 $1,411$55 6.4
Exercised
(6,720)$1,411$14 
Balance, June 30, 202418,803 $1,411$48 5.9
Exercisable at June 30, 202418,803 $1,411$48 5.9
v3.24.2.u1
NET INCOME PER SHARE
 6 Months Ended
Jun. 30, 2024
Earnings Per Share [Abstract]  
NET INCOME PER SHARE NET INCOME PER SHARE
 
The Company computes basic net income per share by dividing net income applicable to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net income per share is based upon the weighted-average number of common and common equivalent shares outstanding during the period. Only dilutive common equivalent shares that decrease the net income per share are included in the computation of diluted net income per share.

Common equivalent shares related to stock options, restricted stock units, and performance share units are calculated using the treasury stock method. Performance share units are included in the weighted-average common equivalent shares based on the number of shares that would be issued if the end of the reporting period were the end of the performance period, if the result would be dilutive.

The Company's convertible senior notes have net share settlement features requiring the Company, upon conversion, to settle the principal amount of the debt for cash and the conversion premium for cash or shares of the Company's common stock, at the Company's option. If the conversion prices for the convertible senior notes exceed the Company's average stock price for the period, the convertible senior notes generally have no impact on diluted net income per share. The Company uses the if-converted method for the convertible senior notes in the calculation of diluted net income per share.

A reconciliation of the weighted-average number of shares outstanding used in calculating diluted net income per share is as follows (in thousands):
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2024202320242023
Weighted-average number of basic common shares outstanding33,839 36,678 34,023 37,147 
Weighted-average dilutive stock options, restricted stock units, and performance share units
183 157 236 200 
Assumed conversion of convertible senior notes245 129 227 124 
Weighted-average number of diluted common and common equivalent shares outstanding
34,267 36,964 34,486 37,471 
v3.24.2.u1
INVESTMENTS
 6 Months Ended
Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
INVESTMENTS INVESTMENTS
The following table summarizes the Company's investments by major security type at June 30, 2024 (in millions): 
 CostGross
Unrealized Gains /Upward Adjustments		Gross
Unrealized Losses /Downward Adjustments		Carrying Value
Short-term investments:
Debt securities (1)
$37 $— $— $37 
Long-term investments:
Equity securities with readily determinable fair values$715 $— $(392)$323 
Equity securities of private entities111 259 (225)145 
Total long-term investments$826 $259 $(617)$468 
(1)    Primarily consists of corporate debt securities.
The following table summarizes the Company's investments by major security type at December 31, 2023 (in millions):
 CostGross
Unrealized Gains/Upward Adjustments
Gross
Unrealized Losses/Downward Adjustments
Carrying
 Value
Short-term investments:
Debt securities:
International government securities$63 $— $— $63 
U.S. government securities (1)
152 — (1)151 
Corporate debt securities365 — (3)362 
Total short-term investments$580 $— $(4)$576 
Long-term investments:
Equity securities with readily determinable fair values$715 $— $(404)$311 
Equity securities of private entities78 259 (208)129 
Total long-term investments$793 $259 $(612)$440 
(1)    Includes investments in U.S. municipal bonds.

The Company has classified its investments in debt securities as available-for-sale debt securities. The aggregate unrealized gains and losses on the available-for-sale debt securities, net of tax, are included in "Accumulated other comprehensive loss" in the Consolidated Balance Sheets. The Company's investments in available-for-sale debt securities at June 30, 2024 had investment grade credit quality ratings.

Equity securities with readily determinable fair values include the Company's investments in DiDi Global Inc. and Grab Holdings Limited, with fair values of $163 million and $150 million, respectively, at June 30, 2024 and $155 million and $143 million, respectively, at December 31, 2023. Net unrealized gains (losses) related to these investments are included in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations for the three and six months ended June 30, 2024 and 2023. During the six months ended June 30, 2023, the Company sold its entire investment in Meituan for $1.7 billion, resulting in a loss of $149 million included in "Other income (expense), net" in the Unaudited Consolidated Statement of Operations for the six months ended June 30, 2023. The cost basis of the Company's investment in Meituan was $450 million.

The Company's investments in equity securities of private entities at June 30, 2024 and December 31, 2023 include $51 million originally invested in Yanolja Co., Ltd. ("Yanolja"). The Company evaluated its investment in Yanolja for impairment as of June 30, 2023 and recognized an impairment charge of $24 million during the three and six months ended June 30, 2023 (see Note 6). The carrying value of the Company's investment in Yanolja was $98 million at June 30, 2024 and December 31, 2023.
v3.24.2.u1
FAIR VALUE MEASUREMENTS
 6 Months Ended
Jun. 30, 2024
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS
There are three levels of inputs to valuation techniques used to measure fair value:
Level 1: Quoted prices in active markets that are accessible by the Company at the measurement date for identical assets and liabilities.
Level 2: Inputs that are observable, either directly or indirectly. Such prices may be based upon quoted prices for identical or comparable securities in active markets or inputs not quoted on active markets, but corroborated by market data.
Level 3: Unobservable inputs are used when little or no market data is available.
Financial assets and liabilities measured at fair value on a recurring basis at June 30, 2024 are classified in the categories described in the table below (in millions):
 Level 1Level 2Total
Recurring fair value measurements (1)
ASSETS:
Cash equivalents and restricted cash equivalents:
Money market fund investments$15,024 $— $15,024 
Certificates of deposit61 — 61 
Short-term investments:   
Debt securities— 37 37 
Long-term investments:
Equity securities323 — 323 
Derivatives:
Foreign currency exchange derivatives— 24 24 
Total assets at fair value$15,408 $61 $15,469 
LIABILITIES:
Foreign currency exchange derivatives$— $59 $59 
(1)    The Company did not have any Level 3 recurring fair value measurements at June 30, 2024.

Financial assets and liabilities measured at fair value on a recurring basis at December 31, 2023 and nonrecurring fair value measurements are classified in the categories described in the table below (in millions):    
Level 1Level 2Level 3Total
Recurring fair value measurements
ASSETS:   
Cash equivalents and restricted cash equivalents:
Money market fund investments$10,871 $— $— $10,871 
Certificates of deposit97 — — 97 
Short-term investments:
International government securities— 63 — 63 
U.S. government securities— 151 — 151 
Corporate debt securities— 362 — 362 
Long-term investments:
Equity securities311 — — 311 
Derivatives:
Foreign currency exchange derivatives— 62 — 62 
Total assets at fair value$11,279 $638 $— $11,917 
LIABILITIES:
Foreign currency exchange derivatives$— $36 $— $36 
Nonrecurring fair value measurements
Investment in equity securities of a private entity (1)
$— $— $98 $98 
(1)    During the year ended December 31, 2023, the investment in Yanolja was written down to its estimated fair value.
Investments

See Note 5 for additional information related to the Company's investments.

The Company's investments in debt securities are measured using "Level 2" inputs as the Company has access to quoted prices for identical or comparable securities, but does not have visibility into the volume and frequency of trading for these investments. A market approach is used for recurring fair value measurements and the valuation techniques use inputs that are observable, or can be corroborated by observable data, in an active marketplace.

The Company's investments measured using Level 3 inputs primarily consist of investments in privately-held entities. Fair values of these securities are estimated using a variety of valuation methodologies, including both the market and income approaches.

As of June 30, 2023, the Company evaluated its investment in Yanolja for impairment using a combination of the market approach and the income approach in estimating the fair value of the investment and recognized an impairment charge (see Note 5). The market approach estimates value using prices and other relevant information generated by market transactions involving comparable companies. The income approach estimates value based on the expectation of future cash flows that a company will generate. These future cash flows are discounted to their present values using a discount rate based on a company's weighted-average cost of capital adjusted to reflect the risks inherent in its cash flows. The key unobservable inputs and ranges used for the June 2023 impairment evaluation, primarily using the income approach, includes the weighted average cost of capital (10.5%-14.5%) and the terminal EBITDA multiple (14x-16x). Significant changes in any of these inputs in isolation would result in significantly different fair value measurements. A change in the assumption used for EBITDA multiples would result in a directionally similar change in the fair value, and a change in the assumption used for weighted average cost of capital would result in a directionally opposite change in the fair value.

The determination of the fair values of investments, where the Company is a minority shareholder and has access to limited information from the investee, reflects numerous assumptions that are subject to various risks and uncertainties, including key assumptions regarding the investee's expected growth rates and operating margin, as well as other key assumptions with respect to matters outside of the Company's control, such as discount rates and market comparables. It requires significant judgments and estimates and actual results could be materially different than those judgments and estimates utilized in the fair value measurement. Future events and changing market conditions may lead the Company to re-evaluate the assumptions reflected in the valuation which may result in a need to recognize additional impairment charges.

Derivatives

The Company reports the fair values of its derivative assets and liabilities on a gross basis in the Consolidated Balance Sheets in "Other current assets" and "Accrued expenses and other current liabilities," respectively. As of June 30, 2024 and December 31, 2023, the Company did not designate any derivatives as hedges for accounting purposes.

For the Company's foreign currency exchange derivatives outstanding as of June 30, 2024 and December 31, 2023, the notional amounts of the foreign currency purchases were $6.7 billion and $4.9 billion, respectively, and the notional amounts of the foreign currency sales were $3.8 billion and $4.2 billion, respectively. The notional amount of a foreign currency forward contract is the contracted amount of foreign currency to be exchanged and is not recorded in the balance sheets.

The effect of foreign currency exchange derivatives recorded in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations for the three and six months ended June 30, 2024 and 2023 is as follows (in millions):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Losses on foreign currency exchange derivatives$77 $67 $162 $84 
Other Financial Assets and Liabilities

At June 30, 2024 and December 31, 2023, the Company's cash consisted of bank deposits. Cash equivalents principally include money market fund investments and certificates of deposit and their carrying value generally approximates the fair value as they are readily convertible to known amounts of cash. Other financial assets and liabilities, including restricted cash, accounts payable, accrued expenses, and deferred merchant bookings, are carried at cost which approximates their fair values because of the short-term nature of these items. Accounts receivable and other financial assets measured at amortized cost are carried at cost less an allowance for expected credit losses to present the net amount expected to be collected (see Note 7). See Note 9 for the estimated fair value of the Company's outstanding senior notes, including the estimated fair value of the Company's convertible senior notes.
v3.24.2.u1
ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS
 6 Months Ended
Jun. 30, 2024
Receivables [Abstract]  
ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS
 
Accounts receivable in the Consolidated Balance Sheets at June 30, 2024 and December 31, 2023 includes receivables from customers of $2.1 billion and $1.9 billion, respectively, and receivables from payment processors and networks of $1.6 billion and $1.3 billion, respectively. The remaining balance principally relates to receivables from marketing affiliates. The amounts mentioned above are stated on a gross basis, before deducting the allowance for expected credit losses.

Significant judgments and assumptions are required to estimate the allowance for expected credit losses and such assumptions may change in future periods, particularly the assumptions related to the business prospects and financial condition of customers and marketing affiliates, including macroeconomic conditions, inflationary pressures, potential recession, and the Company's ability to collect the receivable or recover prepayments.

The following table summarizes the activity of the allowance for expected credit losses on receivables (in millions):
Six Months Ended
June 30,
 20242023
Balance, beginning of year$137 $117 
Provision charged to earnings95 60 
Write-offs and adjustments(117)(92)
Foreign currency translation adjustments(4)2 
Balance, end of period$111 $87 
v3.24.2.u1
INTANGIBLE ASSETS AND GOODWILL
 6 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL
The Company's intangible assets at June 30, 2024 and December 31, 2023 consist of the following (in millions): 
June 30, 2024December 31, 2023
Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Amortization Period
Trade names$1,808 $(956)$852 $1,812 $(911)$901 
3 - 20 years
Supply and distribution agreements1,391 (796)595 1,402 (759)643 
3 - 20 years
Other intangible assets328 (277)51 330 (261)69 
Up to 20 years
Total intangible assets$3,527 $(2,029)$1,498 $3,544 $(1,931)$1,613 
 
Intangible assets are amortized on a straight-line basis. Amortization expense for the intangible assets was $56 million for the three months ended June 30, 2024 and 2023 and $111 million for the six months ended June 30, 2024 and 2023.

The carrying value of the Company's goodwill at June 30, 2024 and December 31, 2023 was $2.8 billion and is stated net of cumulative impairment charges of $2.0 billion.
v3.24.2.u1
DEBT
 6 Months Ended
Jun. 30, 2024
Debt Disclosure [Abstract]  
DEBT DEBT
Revolving Credit Facility

See Note 12 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023 for information related to the Company's unsecured revolving credit facility that extends a revolving line of credit of up to $2 billion to the Company. In May 2024, the Company extended the maturity date of the revolving credit facility from May 2028 to May 2029 pursuant to an extension request under the credit agreement. At June 30, 2024 and December 31, 2023, there were no borrowings outstanding and $22 million and $18 million, respectively, of letters of credit issued under the revolving credit facility.

Outstanding Debt
 
Outstanding debt at June 30, 2024 and December 31, 2023 consists of the following (in millions): 
June 30, 2024December 31, 2023
Outstanding
 Principal 
Amount
Carrying
 Value (1)
Outstanding
 Principal 
Amount
Carrying
 Value (1)
2.375% (€1 Billion) Senior Notes due September 2024 (2) (3)
$1,072 $1,071 $1,105 $1,104 
3.65% Senior Notes due March 2025 (2)
500 500 500 499 
0.1% (€950 Million) Senior Notes due March 2025 (2)
1,018 1,017 1,050 1,048 
0.75% Convertible Senior Notes due May 2025 (2) (3)
862 859 862 857 
3.6% Senior Notes due June 2026
1,000 998 1,000 998 
4.0% (€750 Million) Senior Notes due November 2026
804 802 828 825 
1.8% (€1 Billion) Senior Notes due March 2027
1,072 1,070 1,105 1,103 
3.55% Senior Notes due March 2028
500 499 500 499 
0.5% (€750 Million) Senior Notes due March 2028
804 801 828 825 
3.625% (€500 Million) Senior Notes due November 2028
536 533 552 549 
3.5% (€500 Million) Senior Notes due March 2029
536 533 — — 
4.25% (€750 Million) Senior Notes due May 2029
804 799 828 823 
4.625% Senior Notes due April 2030
1,500 1,493 1,500 1,492 
4.5% (€1 Billion) Senior Notes due November 2031
1,072 1,065 1,105 1,098 
3.625% (€650 Million) Senior Notes due March 2032
697 693 — — 
4.125% (€1.25 Billion) Senior Notes due May 2033
1,339 1,326 1,381 1,367 
4.75% (€1 Billion) Senior Notes due November 2034
1,072 1,064 1,105 1,097 
3.75% (€850 Million) Senior Notes due March 2036
910 897 — — 
4.0% (€750 Million) Senior Notes due March 2044
804 788 — — 
Total outstanding debt$16,902 $16,808 $14,249 $14,184 
Short-term debt$3,452 $3,447 $1,967 $1,961 
Long-term debt$13,450 $13,361 $12,282 $12,223 
(1)    The carrying values differ from the outstanding principal amounts due to unamortized debt discounts and debt issuance costs of $94 million and $65 million as of June 30, 2024 and December 31, 2023, respectively.
(2)    Included in "Short-term debt" in the Unaudited Consolidated Balance Sheet as of June 30, 2024.
(3)    Included in "Short-term debt" in the Consolidated Balance Sheet as of December 31, 2023.
 
Fair Value of Debt

At June 30, 2024 and December 31, 2023, the estimated fair value of the outstanding debt was approximately $17.8 billion and $15.2 billion, respectively, and was considered a "Level 2" fair value measurement (see Note 6). Fair value was estimated based upon actual trades at the end of the reporting period or the most recent trade available as well as the Company's stock price at the end of the reporting period. The estimated fair value of the Company's debt in excess of the outstanding principal amount at June 30, 2024 and December 31, 2023 primarily relates to the conversion premium on the convertible senior notes due in May 2025.

Convertible Senior Notes

In April 2020, the Company issued $863 million aggregate principal amount of convertible senior notes due in May 2025 with an interest rate of 0.75% (the "May 2025 Notes"). The May 2025 Notes are convertible, subject to certain conditions, into the Company's common stock at a current conversion price of $1,877.23 per share. The May 2025 Notes are convertible, at the option of the holder, prior to November 1, 2024, upon the occurrence of specific events, including but not limited to a change in control, or if the closing sales price of the Company's common stock for at least 20 trading days in the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is more than 130% of the conversion price in effect for the notes on the last trading day of the immediately preceding quarter. In the event that all or substantially all of the Company's common stock is acquired on or prior to the maturity of the May 2025 Notes in a transaction in which the consideration paid to holders of the Company's common stock consists of all or substantially all cash, the Company would be required to make additional payments in the form of additional shares of common stock to the holders of the May 2025 Notes in an aggregate value ranging from $0 to $235 million depending upon the date of the transaction and the then current stock price of the Company. Starting on November 1, 2024, holders will have the right to convert all or any portion of the May 2025 Notes, regardless of the Company's stock price. The May 2025 Notes may not be redeemed by the Company prior to maturity. The holders may require the Company to repurchase the May 2025 Notes for cash in certain circumstances. Interest on the May 2025 Notes is payable on May 1 and November 1 of each year. If the note holders exercise their option to convert, the Company delivers cash to repay the principal amount of the notes and delivers shares of common stock or cash, at its option, to satisfy the conversion value in excess of the principal amount. At June 30, 2024 and December 31, 2023, the estimated fair value of the May 2025 Notes was $1.8 billion and $1.6 billion, respectively, and was considered a "Level 2" fair value measurement (see Note 6). Based on the closing sales prices of the Company's common stock for the prescribed measurement periods, the May 2025 Notes were convertible at the option of the holder starting the second calendar quarter of 2023 and continue to be convertible during the third calendar quarter of 2024.

Other Senior Notes

The following table summarizes the information related to other senior notes issued in March 2024:
Other Senior Notes
Effective Interest Rate (1)
Timing of Interest Payments
3.5% Senior Notes due March 2029
3.61%Annually in March
3.625% Senior Notes due March 2032
3.71%Annually in March
3.75% Senior Notes due March 2036
3.92%Annually in March
4.0% Senior Notes due March 2044
4.15%Annually in March
(1)    Represents the coupon interest rate adjusted for deferred debt issuance costs, premiums or discounts existing at the origination of the debt.

The proceeds from the issuance of these senior notes are available for general corporate purposes, including to repurchase shares of the Company's common stock and to redeem or repay outstanding indebtedness.

In March 2023, the Company repaid $500 million on the maturity of the Senior Notes due March 2023 and paid the applicable accrued and unpaid interest relating to these notes.
Interest expense related to other senior notes consists primarily of coupon interest expense of $136 million and $254 million for the three and six months ended June 30, 2024, respectively, and $100 million and $192 million for the three and six months ended June 30, 2023, respectively.

The Company designates certain portions of the aggregate principal value of the Euro-denominated debt as a hedge of the foreign currency exposure of the net investment in certain Euro functional currency subsidiaries. For the six months ended June 30, 2024 and 2023, the carrying value of the portion of Euro-denominated debt, designated as a net investment hedge, ranged from $2.3 billion to $3.5 billion and from $5.9 billion to $7.5 billion, respectively.
v3.24.2.u1
TREASURY STOCK AND DIVIDENDS
 6 Months Ended
Jun. 30, 2024
Equity [Abstract]  
TREASURY STOCK AND DIVIDENDS TREASURY STOCK AND DIVIDENDS
 
At December 31, 2023, the Company had a total remaining authorization of $13.7 billion related to a program authorized by the Company's Board of Directors ("the Board") in 2023 to repurchase up to $20 billion of the Company's common stock. At June 30, 2024, the Company had a total remaining authorization of $10.6 billion to repurchase its common stock. The Company expects to complete the share repurchases under the remaining authorization by the end of 2026, assuming no major downturn in the travel market. Additionally, the Board has given the Company the general authorization to repurchase shares of its common stock withheld to satisfy employee withholding tax obligations related to stock-based compensation.

The following table summarizes the Company's stock repurchase activities during the three and six months ended June 30, 2024 and 2023 (in millions, except for shares, which are reflected in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
SharesAmountSharesAmountSharesAmountSharesAmount
Authorized stock repurchase programs435 $1,622 1,177 $3,138 881 $3,211 1,989 $5,160 
General authorization for shares withheld on stock award vesting2 6 1 3 92 321 67 176 
Total437$1,628 1,178$3,141 973$3,532 2,056$5,336 

Stock repurchases of $25 million in June 2024 were settled in July 2024.

For the six months ended June 30, 2024 and 2023, the Company remitted employee withholding taxes of $320 million and $176 million, respectively, to the tax authorities, which may differ from the aggregate cost of the shares withheld for taxes for each period due to the timing in remitting the taxes. The cash remitted to the tax authorities is included in financing activities in the Unaudited Consolidated Statements of Cash Flows.

The Company recorded an estimated excise tax liability for share repurchases of $124 million and $96 million as of June 30, 2024 and December 31, 2023, respectively. The excise tax liability is included in "Accrued expenses and other current liabilities" in the Consolidated Balance Sheets.

During the six months ended June 30, 2024, the Company paid cash dividends of $594 million. In July 2024, the Board declared a cash dividend of $8.75 per share of common stock, payable on September 30, 2024 to stockholders of record as of the close of business on September 6, 2024.
v3.24.2.u1
INCOME TAXES
 6 Months Ended
Jun. 30, 2024
Income Tax Disclosure [Abstract]  
INCOME TAXES INCOME TAXES
 
Income tax expense consists of U.S. and international income taxes, determined using an estimate of the Company's annual effective tax rate, which is based upon the applicable tax rates and tax laws of the countries in which the income is generated. A deferred tax liability is recognized for all taxable temporary differences, and a deferred tax asset is recognized for all deductible temporary differences and operating loss and tax credit carryforwards. A valuation allowance is provided when it is more likely than not that some portion or all of a deferred tax asset will not be realized. The Company considers many factors when assessing the likelihood of future realization of the deferred tax assets, including its recent cumulative earnings experience by taxing jurisdiction, expectations of future income, tax planning strategies, the carryforward periods available for tax reporting purposes, and other relevant factors.

The Company's effective tax rates for the three and six months ended June 30, 2024 were 20.9% and 19.7%, respectively, compared to 20.3% and 19.0% for the three and six months ended June 30, 2023, respectively. The Company's 2024 effective tax rates differ from the U.S. federal statutory tax rate of 21%, primarily due to the benefit of the Netherlands Innovation Box Tax (discussed below), partially offset by higher international tax rates, U.S. federal and state tax associated with the Company's international earnings, and certain non-deductible expenses. The Company's 2023 effective tax rates differed from the U.S. federal statutory tax rate of 21%, primarily due to the benefit of the Netherlands Innovation Box Tax, partially offset by higher international tax rates and certain non-deductible expenses.

The Company's effective tax rate for the three months ended June 30, 2024 was higher than the effective tax rate for the three months ended June 30, 2023, primarily due to higher unrecognized tax benefits and certain lower discrete tax benefits, partially offset by certain lower non-deductible expenses.

The Company's effective tax rate for the six months ended June 30, 2024 was higher than the effective tax rate for the six months ended June 30, 2023, primarily due to certain lower discrete tax benefits, higher U.S. federal and state tax associated with the Company's international earnings, and a decrease in the benefit of the Netherlands Innovation Box Tax, partially offset by certain lower non-deductible expenses.

During the three and six months ended June 30, 2024 and 2023, a majority of the Company's income was reported in the Netherlands, where Booking.com is based. According to Dutch corporate income tax law, income generated from qualifying innovative activities is taxed at a rate of 9% ("Innovation Box Tax") rather than the Dutch statutory rate of 25.8%. A portion of Booking.com's earnings during the three and six months ended June 30, 2024 and 2023 qualified for Innovation Box Tax treatment, which had a beneficial impact on the Company's effective tax rates for these periods.

The aggregate amount of unrecognized tax benefits for all matters at June 30, 2024 and December 31, 2023 was $92 million and $67 million, respectively. As of June 30, 2024, net unrecognized tax benefits of $67 million, if recognized, would impact the effective tax rate. As of June 30, 2024 and December 31, 2023, total gross interest and penalties accrued was $7 million. The increase in unrecognized tax benefits primarily relates to U.S. state taxes. The majority of unrecognized tax benefits are included in "Other assets, net" and "Other long-term liabilities" in the Unaudited Consolidated Balance Sheet as of June 30, 2024. It is reasonably possible that the balance of gross unrecognized tax benefits could change over the next 12 months.
v3.24.2.u1
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS BY COMPONENT
 6 Months Ended
Jun. 30, 2024
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS BY COMPONENT CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS BY COMPONENT
 
The table below present the changes in the balances of accumulated other comprehensive loss ("AOCI") by component for the three and six months ended June 30, 2024 and 2023 (in millions): 
Foreign currency translation adjustmentsNet unrealized gains (losses) on available-for-sale securitiesTotal AOCI, net of tax
Foreign currency translation
Net investment hedges (1)
Total, net of taxBefore taxTaxTotal, net of tax
Before tax
Tax (2)
Before taxTax
Three Months Ended June 30, 2024
Balance, March 31, 2024$(617)$88 $237 $(63)$(355)$(1)$— $(1)$(356)
Other comprehensive (loss) income ("OCI") for the period(27)36 29 (7)31 1 — 1 32 
Balance, June 30, 2024$(644)$124 $266 $(70)$(324)$— $— $— $(324)
Six Months Ended June 30, 2024
Balance, December 31, 2023$(537)$94 $171 $(48)$(320)$(4)$1 $(3)$(323)
OCI for the period(107)30 95 (22)(4)4 (1)3 (1)
Balance, June 30, 2024$(644)$124 $266 $(70)$(324)$— $— $— $(324)
Three Months Ended June 30, 2023
Balance, March 31, 2023$(474)$72 $197 $(54)$(259)$(10)$2 $(8)$(267)
OCI for the period(2)4 (34)8 (24)(1)1 — (24)
Balance, June 30, 2023$(476)$76 $163 $(46)$(283)$(11)$3 $(8)$(291)
Six Months Ended June 30, 2023
Balance, December 31, 2022$(579)$93 $310 $(81)$(257)$(13)$3 $(10)$(267)
OCI for the period103 (17)(147)35 (26)2 — 2 (24)
Balance, June 30, 2023$(476)$76 $163 $(46)$(283)$(11)$3 $(8)$(291)
(1)    Net investment hedges balance at June 30, 2024 and earlier dates presented above, includes accumulated net losses from fair value adjustments of $35 million ($53 million before tax) associated with previously settled derivatives that were designated as net investment hedges. The remaining balances relate to foreign currency transaction gains (losses) and related tax benefits (expenses) associated with the Company's Euro-denominated debt that is designated as a hedge of the foreign currency exposure of the net investment in certain Euro functional currency subsidiaries (see Note 9).
(2)    The tax benefits relate to foreign currency translation adjustments to the Company's one-time deemed repatriation tax liability recorded at December 31, 2017 and foreign earnings for periods after December 31, 2017 that are subject to U.S. federal and state income tax, resulting from the enactment of the U.S. Tax Cuts and Jobs Act.
v3.24.2.u1
COMMITMENTS AND CONTINGENCIES
 6 Months Ended
Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract]  
COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES
Competition and Consumer Protection Reviews

Online travel platforms have been the subject of investigations or inquiries by national competition authorities ("NCAs") or other governmental authorities regarding competition law matters, consumer protection issues, or other areas of concern. The Company is and has been involved in many such investigations. For example, the Company is involved in investigations related to whether Booking.com's contractual parity arrangements with accommodation providers are anti-competitive because they require partners to provide Booking.com with rates, conditions, and availability at least as favorable as those offered to other online travel companies ("OTCs") or by the partner itself. To resolve certain of the parity-related investigations, the Company has from time to time made commitments regarding future business practices or activities, such as agreeing to narrow the scope of its parity clauses. These investigations have resulted in fines and the Company could incur additional fines and/or be restricted in certain of its business practices in the future.
In October 2022, the Comisión Nacional de los Mercados y la Competencia in Spain (the "CNMC") opened an investigation into whether certain practices by Booking.com may produce adverse effects for hotels and other OTCs. In January 2024, the CNMC notified Booking.com of its draft decision to impose a fine of 486 million Euros and to restrict certain business practices such as those relating to parity provisions and the ranking criteria that Booking.com can use to determine how to rank hotels in its display to customers. In July 2024, the CNMC notified Booking.com of its decision to impose a fine of 413 million Euros, which reflects a decrease of approximately 72 million Euros from the draft decision. The business restrictions were not materially changed from the draft decision. Booking.com does not agree with the rationale stated in the decision and certain of the restrictions imposed, and plans to challenge it. Although the Company disagrees with the rationale stated in the decision, the Company accrued a loss of 486 million Euros ($530 million) during the year ended December 31, 2023. As of June 30, 2024, to align with the CNMC's reduced fine, the Company recorded a decrease of 72 million Euros ($78 million) in its accrual which is reflected in "General and administrative" expenses in the Unaudited Consolidated Statements of Operations for the three and six months ended June 30, 2024. The related liability is included in "Accrued expenses and other current liabilities" in the Consolidated Balance Sheets as of June 30, 2024 and December 31, 2023.

In addition, in September 2017, the Swiss Price Surveillance Office opened an investigation into the level of commissions of Booking.com in Switzerland and the investigation is ongoing. If there is an adverse outcome and Booking.com is unsuccessful in any appeal, Booking.com may be required to make other commitments, such as reducing its commissions in Switzerland. In July 2023, the Polish Office of Competition and Consumer Protection opened an investigation into Booking.com's identification of private and professional hosts and its messaging in relation to obligations owed to consumers. In March 2024, the Italian Competition Authority opened an investigation into whether certain practices by Booking.com may produce adverse effects for hotels and other online travel agencies. If any of the investigations were to find that Booking.com practices violated the respective laws, or as part of a negotiated resolution, Booking.com may face significant fines, restrictions on its business practices, and/or be required to make other commitments.

The Company is and has been involved in investigations or inquiries by NCAs or other governmental authorities involving consumer protection matters, including in the United Kingdom and the European Union. The Company has previously made certain voluntary commitments to competition authorities to resolve investigations or inquiries that have included showing prices inclusive of all mandatory taxes and charges, providing information about the effect of money earned on search result rankings on or before the search results page, and making certain adjustments to how discounts and statements concerning popularity or availability are shown to consumers. In the future, it is possible new jurisdictions could engage the Company in discussions to implement changes to its business in those countries. The Company is unable to predict what, if any, effect any future similar commitments will have on its business, industry practices, or online commerce more generally. To the extent that any other investigations or inquiries result in additional commitments, fines, damages, or other remedies, the Company's business, financial condition, and results of operations could be harmed.

The Company is unable to predict how any current or future investigations or litigation may be resolved or the long-term impact of any such resolution on its business. For example, competition and consumer-law-related investigations, legislation, or issues could result in private litigation and the Company is currently involved in such litigation. More immediate results could include, among other things, the imposition of fines, payment of damages, commitments to change certain business practices, or reputational damage, any of which could harm the Company's business, results of operations, brands, or competitive position.

Tax Matters

Between December 2018 and August 2021, the Italian tax authorities issued assessments on Booking.com's Italian subsidiary totaling approximately 251 million Euros ($269 million) for the tax years 2013 through 2018, asserting that its transfer pricing policies were inadequate. The Company believes Booking.com has been and continues to be in compliance with Italian tax law. In September 2020, the Italian tax authorities approved the opening of a mutual agreement procedure ("MAP") between Italy and the Netherlands for the 2013 tax year and the Italian tax authorities subsequently approved the inclusion of the tax years 2014 through 2018 in the MAP. Based on the Company's expectation that the Italian assessments for 2013 through 2018, and any transfer pricing assessments received for subsequent open years, will be settled through the MAP process, and after considering potential resolution amounts, 33 million Euros ($36 million) have been reflected in net unrecognized tax benefits, the majority of which is recorded to "Other assets, net" in the Consolidated Balance Sheets at June 30, 2024 and December 31, 2023. This unrecognized tax benefit is partially offset by a deferred income tax benefit of 15 million Euros ($17 million). As of June 30, 2024, the Company made prepayments of 74 million Euros ($79 million) to the Italian tax authorities to forestall collection enforcement pending the appeal phase of the case. The payments do not constitute an admission that the Company owes the taxes and will be refunded (with interest) to the Company to the extent that the Company prevails. The payments are included in "Other assets, net" in the Consolidated Balance Sheets at June 30, 2024 and December 31, 2023.
In June 2024, the Guardia di Finanza ("GdF") of Rome issued a tax audit report to Booking.com, proposing a tax assessment to the Italian Tax Authorities ("ITA") of 396 million Euros ($424 million), excluding penalties and interest, for June 2017 through December 2023. The audit report does not itself constitute a formal tax assessment. The GdF alleges that a 2017 law obliges Booking.com to withhold and remit 21% of the total transaction value for the income tax liabilities of certain short-term rental partners in Italy for the period under audit. While the Company believes that Booking.com has been and continues to be in compliance with Italian tax laws, the Company is in discussions with the ITA regarding the potential to resolve this matter.

The Company is also involved in other tax-related audits, investigations, and litigation relating to income taxes, value-added taxes, travel transaction taxes (e.g., hotel occupancy taxes), withholding taxes, and other taxes.

Any taxes or assessments in excess of the Company's tax provisions, including the resolution of any tax proceedings or litigation, could have a material adverse impact on the Company's results of operations, cash flows, and financial condition. In some cases, assessments may be significantly in excess of the Company's tax provisions, particularly in instances where the Company does not agree with the tax authority's assessment of how the tax laws may apply to the Company's business.

Other Matters

Beginning in 2014, Booking.com B.V. received several letters from the Netherlands Pension Fund for the Travel Industry (Reiswerk) ("BPF") claiming that it was required to participate in the mandatory pension scheme of the BPF with retroactive effect to 1999, which has a higher contribution rate than the pension scheme in which it is currently participating. BPF instituted legal proceedings and in 2016 the District Court of Amsterdam rejected all of BPF's claims. BPF appealed the decision to the Court of Appeal, and, in May 2019, the Court of Appeal also rejected all of BPF's claims, in each case by ruling that Booking did not meet the definition of a travel intermediary for purposes of the mandatory pension scheme. BPF then appealed to the Netherlands Supreme Court. In April 2021, the Supreme Court overturned the previous decision of the Court of Appeal and held that Booking.com B.V. met the definition of a travel intermediary for the purposes of the mandatory pension scheme. The Supreme Court ruled only on the qualification of Booking.com B.V. as a travel intermediary for the purposes of the mandatory pension scheme and did not rule on the various other defenses brought forward by the Company against BPF's claims. The Supreme Court referred the matter to another Court of Appeal to assess the other defenses brought forward by the Company. In January 2024, that Court of Appeal ruled that Booking.com B.V. is required to participate in the mandatory pension scheme of the BPF with retroactive effect to 1999. The Company has filed an appeal of the decision to the Netherlands Supreme Court. Although the Company disagrees with the decision, it accrued a loss of 253 million Euros ($276 million), included in "Personnel" expenses in the Consolidated Statement of Operations for the year ended December 31, 2023. During the three and six months ended June 30, 2024, the Company recorded additional estimated expenses of 18 million Euros ($20 million) and 37 million Euros ($41 million), respectively, included in "Personnel" expenses in the Unaudited Consolidated Statements of Operations. The related liability is included primarily in "Accounts payable" in the Unaudited Consolidated Balance Sheet as of June 30, 2024 and "Accrued expenses and other current liabilities" in the Consolidated Balance Sheet as of December 31, 2023. On a go-forward basis, Booking.com B.V. expects to begin paying pension premiums to the BPF scheme or to increase contributions to employees under its existing pension scheme.

From time to time, the Company notifies the competent data protection authority, such as the Dutch data protection authority in accordance with its obligations under the General Data Protection Regulation, of certain incidental and accidental personal data security incidents. Should, for example, the Dutch data protection authority decide these incidents were the result of inadequate technical and organizational security measures or practices, it could decide to impose a fine.

The Company has been, is currently, and expects to continue to be, subject to legal proceedings and claims in the ordinary course of business, including claims of alleged infringement of third-party intellectual property rights. Such claims, even if not meritorious, could result in the expenditure of significant financial and managerial resources, divert management's attention from the Company's business objectives and adversely affect the Company's business, reputation, results of operations, financial condition, and cash flows.

The Company accrues for certain other legal contingencies where it is probable that a loss has been incurred and the amount can be reasonably estimated. Such accrued amounts are not material to the Company's balance sheets and provisions recorded have not been material to the Company's results of operations or cash flows.
Other Contractual Obligations and Contingencies

The Company had $1.0 billion and $533 million of standby letters of credit and bank guarantees issued on behalf of the Company as of June 30, 2024 and December 31, 2023, respectively, including those issued under the revolving credit facility. These were obtained primarily for regulatory purposes. See Note 9 for information related to letters of credit issued under the revolving credit facility.

Booking.com offers partner liability insurance that provides protection to certain accommodation partners ("home partners") in instances where a reservation has been made via Booking.com. The partner liability insurance may provide those home partners (both owners and property managers) coverage up to $1 million equivalent per occurrence, subject to limitations and exclusions, against third-party lawsuits, claims for bodily injury, or third-party personal property damage that occurred during a stay booked through Booking.com. Booking.com retains certain financial risks related to this insurance offering, which is underwritten by third-party insurance companies.
v3.24.2.u1
OTHER INCOME (EXPENSE), NET
 6 Months Ended
Jun. 30, 2024
Other Income and Expenses [Abstract]  
OTHER INCOME (EXPENSE), NET OTHER INCOME (EXPENSE), NET
The components of other income (expense), net for the three and six months ended June 30, 2024 and 2023 were as follows (in millions):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Foreign currency transaction gains (losses) (1)
$25 $(48)$161 $(101)
Net gains (losses) on equity securities (2)
11 (34)(5)(167)
Other
1 2 3 7 
Other income (expense), net$37 $(80)$159 $(261)
(1)    Foreign currency transaction gains (losses) include gains of $68 million and $235 million for the three and six months ended June 30, 2024, respectively, and losses of $8 million and $34 million for the three and six months ended June 30, 2023, respectively, related to Euro-denominated debt and accrued interest that were not designated as net investment hedges (see Note 9).
(2)    See Note 5 for additional information related to net gains (losses) on equity securities.
v3.24.2.u1
OTHER
 6 Months Ended
Jun. 30, 2024
Supplemental Cash Flow Information [Abstract]  
OTHER OTHER
Unaudited Consolidated Statements of Cash Flows: Additional Information

As of June 30, 2024 and December 31, 2023, cash and cash equivalents reported in the Consolidated Balance Sheets differ from the amounts of total cash and cash equivalents and restricted cash and cash equivalents as shown in the Unaudited Consolidated Statements of Cash Flows due to restricted cash and cash equivalents, primarily related to the Company's travel-related insurance business, which are included in "Other current assets" in the Consolidated Balance Sheets.

Noncash investing activity related to additions to property and equipment, including stock-based compensation and accrued liabilities, was $30 million and $25 million for the six months ended June 30, 2024 and 2023, respectively. See Note 10 for additional information on noncash financing activity related to the excise tax on share repurchases.

During the six months ended June 30, 2024 and 2023, the Company made income tax payments of $1.4 billion and $1.3 billion, respectively, and interest payments of $405 million and $356 million, respectively.
v3.24.2.u1
BASIS OF PRESENTATION (Policies)
 6 Months Ended
Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Basis of Presentation
Management of Booking Holdings Inc. (the "Company") is responsible for the Unaudited Consolidated Financial Statements included in this document, which have been prepared in accordance with accounting principles generally accepted in the United States of America ("U.S. GAAP") and include all normal and recurring adjustments that management of the Company considers necessary for a fair presentation of its financial position and operating results. The Company prepared the Unaudited Consolidated Financial Statements following the requirements of the Securities and Exchange Commission for interim reporting. As permitted under those rules, the Company condensed or omitted certain footnotes or other financial information that are normally required by U.S. GAAP for annual financial statements. These Unaudited Consolidated Financial Statements should be read in combination with the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.
 
The Unaudited Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiaries, including acquired businesses from the dates of acquisition. All intercompany accounts and transactions have been eliminated in consolidation. The functional currency of the Company's subsidiaries is generally the respective local currency. For international operations, assets and liabilities are translated into U.S. Dollars at the rate of exchange existing at the balance sheet date. Income statement amounts are translated at monthly average exchange rates applicable for the period. Translation gains and losses are included as a component of "Accumulated other comprehensive loss" in the accompanying Consolidated Balance Sheets. Foreign currency transaction gains and losses are included in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations.
 
Revenues, expenses, assets, and liabilities can vary during each quarter of the year. Therefore, the results and trends in these interim financial statements may not be the same as those for any subsequent quarter or the full year.
Reclassification
Reclassification

Certain amounts from prior periods have been reclassified to conform to the current period presentation. These include the reclassification of certain indirect taxes, primarily digital services taxes, between "General and administrative" expenses and "Sales and other expenses" in the Unaudited Consolidated Statements of Operations. See Notes 2 and 21 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.
Recent Accounting Pronouncements
Recent Accounting Pronouncements

See "Recent Accounting Pronouncements Adopted" and "Other Recent Accounting Pronouncements" in Note 2 to the Consolidated Financial Statements in the Company's Annual Report on Form 10-K for the year ended December 31, 2023.

Improved guidance to help determine transactions to be accounted for as share-based payment arrangements
    
In March 2024, the Financial Accounting Standards Board issued an Accounting Standards Update adding illustrative guidance to help entities determine whether profits interest and similar awards should be accounted for as share-based payment arrangements within the scope of the Accounting Standards Codification ("ASC") 718, Compensation - Stock Compensation. The update is effective for annual and interim financial statements beginning with the fiscal year 2025. The Company is currently evaluating the impact of the update on its Consolidated Financial Statements.
Earnings Per Share
The Company computes basic net income per share by dividing net income applicable to common stockholders by the weighted-average number of common shares outstanding during the period. Diluted net income per share is based upon the weighted-average number of common and common equivalent shares outstanding during the period. Only dilutive common equivalent shares that decrease the net income per share are included in the computation of diluted net income per share.

Common equivalent shares related to stock options, restricted stock units, and performance share units are calculated using the treasury stock method. Performance share units are included in the weighted-average common equivalent shares based on the number of shares that would be issued if the end of the reporting period were the end of the performance period, if the result would be dilutive.
The Company's convertible senior notes have net share settlement features requiring the Company, upon conversion, to settle the principal amount of the debt for cash and the conversion premium for cash or shares of the Company's common stock, at the Company's option. If the conversion prices for the convertible senior notes exceed the Company's average stock price for the period, the convertible senior notes generally have no impact on diluted net income per share. The Company uses the if-converted method for the convertible senior notes in the calculation of diluted net income per share.
Definite-lived intangible assets amortization Intangible assets are amortized on a straight-line basis.
Income Tax
Income tax expense consists of U.S. and international income taxes, determined using an estimate of the Company's annual effective tax rate, which is based upon the applicable tax rates and tax laws of the countries in which the income is generated. A deferred tax liability is recognized for all taxable temporary differences, and a deferred tax asset is recognized for all deductible temporary differences and operating loss and tax credit carryforwards. A valuation allowance is provided when it is more likely than not that some portion or all of a deferred tax asset will not be realized. The Company considers many factors when assessing the likelihood of future realization of the deferred tax assets, including its recent cumulative earnings experience by taxing jurisdiction, expectations of future income, tax planning strategies, the carryforward periods available for tax reporting purposes, and other relevant factors.
v3.24.2.u1
REVENUES (Tables)
 6 Months Ended
Jun. 30, 2024
Revenue from Contract with Customer [Abstract]  
Geographic Information The Company's geographic information on revenues is as follows (in millions):
Outside of the U.S.
U.S.The NetherlandsOtherTotal Company
Total revenues for the three months ended June 30,
2024$638 $4,463 $758 $5,859 
2023$615 $4,340 $507 $5,462 
Total revenues for the six months ended June 30,
2024$1,195 $7,802 $1,277 $10,274 
2023$1,138 $7,199 $903 $9,240 
v3.24.2.u1
STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Activity of Stock Options
The following table summarizes the activity in stock options during the six months ended June 30, 2024:
Employee Stock OptionsNumber of SharesWeighted-average Exercise PriceAggregate
 Intrinsic Value (in millions)		Weighted-average Remaining Contractual Term
(in years)
Balance, December 31, 202325,523 $1,411$55 6.4
Exercised
(6,720)$1,411$14 
Balance, June 30, 202418,803 $1,411$48 5.9
Exercisable at June 30, 202418,803 $1,411$48 5.9
Activity of Restricted Stock Units and Performance Share Units
The following table summarizes the activity in restricted stock units and performance share units for employees and non-employee directors during the six months ended June 30, 2024: 
Restricted Stock UnitsPerformance Share Units
SharesWeighted-average Grant-date Fair ValueSharesWeighted-average Grant-date Fair Value
Unvested at December 31, 2023 (1)
291,404$2,404233,026$2,467
Granted (2)
139,749$3,51235,301$3,660
Vested(128,741)$2,327(76,070)$2,452
Performance shares adjustment (3)
(102)$3,429
Forfeited(8,110)$2,689(3,994)$2,532
Unvested at June 30, 2024294,302$2,957188,161$2,695
(1)    Excludes 4,399 performance share units awarded during the year ended December 31, 2022 for which the grant date under ASC 718, Compensation - Stock Compensation, was not established as of December 31, 2023. Among other conditions, for the grant date to be established, a mutual understanding is required to be reached between the Company and the employee of the key terms and conditions of the award, including the performance targets. The performance targets for each of the annual performance periods under the award are set at the beginning of the respective year.
(2)    Includes 4,399 performance share units awarded during the year ended December 31, 2022 for which the grant date under ASC 718 was established.
(3)    Probable outcome for performance-based awards is updated based upon changes in actual and forecasted operating results or expected achievement of performance goals, as applicable, and the impact of modifications, if any.
v3.24.2.u1
NET INCOME PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2024
Earnings Per Share [Abstract]  
Reconciliation of the weighted-average number of shares outstanding used in calculating diluted net income per share
A reconciliation of the weighted-average number of shares outstanding used in calculating diluted net income per share is as follows (in thousands):
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2024202320242023
Weighted-average number of basic common shares outstanding33,839 36,678 34,023 37,147 
Weighted-average dilutive stock options, restricted stock units, and performance share units
183 157 236 200 
Assumed conversion of convertible senior notes245 129 227 124 
Weighted-average number of diluted common and common equivalent shares outstanding
34,267 36,964 34,486 37,471 
v3.24.2.u1
INVESTMENTS (Tables)
 6 Months Ended
Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Investments
The following table summarizes the Company's investments by major security type at June 30, 2024 (in millions): 
 CostGross
Unrealized Gains /Upward Adjustments		Gross
Unrealized Losses /Downward Adjustments		Carrying Value
Short-term investments:
Debt securities (1)
$37 $— $— $37 
Long-term investments:
Equity securities with readily determinable fair values$715 $— $(392)$323 
Equity securities of private entities111 259 (225)145 
Total long-term investments$826 $259 $(617)$468 
(1)    Primarily consists of corporate debt securities.
The following table summarizes the Company's investments by major security type at December 31, 2023 (in millions):
 CostGross
Unrealized Gains/Upward Adjustments
Gross
Unrealized Losses/Downward Adjustments
Carrying
 Value
Short-term investments:
Debt securities:
International government securities$63 $— $— $63 
U.S. government securities (1)
152 — (1)151 
Corporate debt securities365 — (3)362 
Total short-term investments$580 $— $(4)$576 
Long-term investments:
Equity securities with readily determinable fair values$715 $— $(404)$311 
Equity securities of private entities78 259 (208)129 
Total long-term investments$793 $259 $(612)$440 
(1)    Includes investments in U.S. municipal bonds.
v3.24.2.u1
FAIR VALUE MEASUREMENTS (Tables)
 6 Months Ended
Jun. 30, 2024
Fair Value Disclosures [Abstract]  
Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis and Nonrecurring Fair Value Measurements
Financial assets and liabilities measured at fair value on a recurring basis at June 30, 2024 are classified in the categories described in the table below (in millions):
 Level 1Level 2Total
Recurring fair value measurements (1)
ASSETS:
Cash equivalents and restricted cash equivalents:
Money market fund investments$15,024 $— $15,024 
Certificates of deposit61 — 61 
Short-term investments:   
Debt securities— 37 37 
Long-term investments:
Equity securities323 — 323 
Derivatives:
Foreign currency exchange derivatives— 24 24 
Total assets at fair value$15,408 $61 $15,469 
LIABILITIES:
Foreign currency exchange derivatives$— $59 $59 
(1)    The Company did not have any Level 3 recurring fair value measurements at June 30, 2024.

Financial assets and liabilities measured at fair value on a recurring basis at December 31, 2023 and nonrecurring fair value measurements are classified in the categories described in the table below (in millions):    
Level 1Level 2Level 3Total
Recurring fair value measurements
ASSETS:   
Cash equivalents and restricted cash equivalents:
Money market fund investments$10,871 $— $— $10,871 
Certificates of deposit97 — — 97 
Short-term investments:
International government securities— 63 — 63 
U.S. government securities— 151 — 151 
Corporate debt securities— 362 — 362 
Long-term investments:
Equity securities311 — — 311 
Derivatives:
Foreign currency exchange derivatives— 62 — 62 
Total assets at fair value$11,279 $638 $— $11,917 
LIABILITIES:
Foreign currency exchange derivatives$— $36 $— $36 
Nonrecurring fair value measurements
Investment in equity securities of a private entity (1)
$— $— $98 $98 
(1)    During the year ended December 31, 2023, the investment in Yanolja was written down to its estimated fair value.
Fair Value and the Notional Amount of Derivatives and the Effect of Foreign Currency Exchange Derivatives
For the Company's foreign currency exchange derivatives outstanding as of June 30, 2024 and December 31, 2023, the notional amounts of the foreign currency purchases were $6.7 billion and $4.9 billion, respectively, and the notional amounts of the foreign currency sales were $3.8 billion and $4.2 billion, respectively. The notional amount of a foreign currency forward contract is the contracted amount of foreign currency to be exchanged and is not recorded in the balance sheets.

The effect of foreign currency exchange derivatives recorded in "Other income (expense), net" in the Unaudited Consolidated Statements of Operations for the three and six months ended June 30, 2024 and 2023 is as follows (in millions):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Losses on foreign currency exchange derivatives$77 $67 $162 $84 
v3.24.2.u1
ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS (Tables)
 6 Months Ended
Jun. 30, 2024
Receivables [Abstract]  
Activity of the allowance for expected credit losses on receivables
The following table summarizes the activity of the allowance for expected credit losses on receivables (in millions):
Six Months Ended
June 30,
 20242023
Balance, beginning of year$137 $117 
Provision charged to earnings95 60 
Write-offs and adjustments(117)(92)
Foreign currency translation adjustments(4)2 
Balance, end of period$111 $87 
v3.24.2.u1
INTANGIBLE ASSETS AND GOODWILL (Tables)
 6 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
The Company's intangible assets at June 30, 2024 and December 31, 2023 consist of the following (in millions): 
June 30, 2024December 31, 2023
Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Amortization Period
Trade names$1,808 $(956)$852 $1,812 $(911)$901 
3 - 20 years
Supply and distribution agreements1,391 (796)595 1,402 (759)643 
3 - 20 years
Other intangible assets328 (277)51 330 (261)69 
Up to 20 years
Total intangible assets$3,527 $(2,029)$1,498 $3,544 $(1,931)$1,613 
v3.24.2.u1
DEBT (Tables)
 6 Months Ended
Jun. 30, 2024
Debt Disclosure [Abstract]  
Summary of Outstanding Debt
Outstanding debt at June 30, 2024 and December 31, 2023 consists of the following (in millions): 
June 30, 2024December 31, 2023
Outstanding
 Principal 
Amount
Carrying
 Value (1)
Outstanding
 Principal 
Amount
Carrying
 Value (1)
2.375% (€1 Billion) Senior Notes due September 2024 (2) (3)
$1,072 $1,071 $1,105 $1,104 
3.65% Senior Notes due March 2025 (2)
500 500 500 499 
0.1% (€950 Million) Senior Notes due March 2025 (2)
1,018 1,017 1,050 1,048 
0.75% Convertible Senior Notes due May 2025 (2) (3)
862 859 862 857 
3.6% Senior Notes due June 2026
1,000 998 1,000 998 
4.0% (€750 Million) Senior Notes due November 2026
804 802 828 825 
1.8% (€1 Billion) Senior Notes due March 2027
1,072 1,070 1,105 1,103 
3.55% Senior Notes due March 2028
500 499 500 499 
0.5% (€750 Million) Senior Notes due March 2028
804 801 828 825 
3.625% (€500 Million) Senior Notes due November 2028
536 533 552 549 
3.5% (€500 Million) Senior Notes due March 2029
536 533 — — 
4.25% (€750 Million) Senior Notes due May 2029
804 799 828 823 
4.625% Senior Notes due April 2030
1,500 1,493 1,500 1,492 
4.5% (€1 Billion) Senior Notes due November 2031
1,072 1,065 1,105 1,098 
3.625% (€650 Million) Senior Notes due March 2032
697 693 — — 
4.125% (€1.25 Billion) Senior Notes due May 2033
1,339 1,326 1,381 1,367 
4.75% (€1 Billion) Senior Notes due November 2034
1,072 1,064 1,105 1,097 
3.75% (€850 Million) Senior Notes due March 2036
910 897 — — 
4.0% (€750 Million) Senior Notes due March 2044
804 788 — — 
Total outstanding debt$16,902 $16,808 $14,249 $14,184 
Short-term debt$3,452 $3,447 $1,967 $1,961 
Long-term debt$13,450 $13,361 $12,282 $12,223 
(1)    The carrying values differ from the outstanding principal amounts due to unamortized debt discounts and debt issuance costs of $94 million and $65 million as of June 30, 2024 and December 31, 2023, respectively.
(2)    Included in "Short-term debt" in the Unaudited Consolidated Balance Sheet as of June 30, 2024.
(3)    Included in "Short-term debt" in the Consolidated Balance Sheet as of December 31, 2023.
Schedule of other senior notes issued
The following table summarizes the information related to other senior notes issued in March 2024:
Other Senior Notes
Effective Interest Rate (1)
Timing of Interest Payments
3.5% Senior Notes due March 2029
3.61%Annually in March
3.625% Senior Notes due March 2032
3.71%Annually in March
3.75% Senior Notes due March 2036
3.92%Annually in March
4.0% Senior Notes due March 2044
4.15%Annually in March
(1)    Represents the coupon interest rate adjusted for deferred debt issuance costs, premiums or discounts existing at the origination of the debt.
v3.24.2.u1
TREASURY STOCK (Tables)
 6 Months Ended
Jun. 30, 2024
Equity [Abstract]  
Schedule of Stock Repurchase Activity
The following table summarizes the Company's stock repurchase activities during the three and six months ended June 30, 2024 and 2023 (in millions, except for shares, which are reflected in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
SharesAmountSharesAmountSharesAmountSharesAmount
Authorized stock repurchase programs435 $1,622 1,177 $3,138 881 $3,211 1,989 $5,160 
General authorization for shares withheld on stock award vesting2 6 1 3 92 321 67 176 
Total437$1,628 1,178$3,141 973$3,532 2,056$5,336 
v3.24.2.u1
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS BY COMPONENT (Tables)
 6 Months Ended
Jun. 30, 2024
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Changes in the Balances of Accumulated Other Comprehensive Loss
The table below present the changes in the balances of accumulated other comprehensive loss ("AOCI") by component for the three and six months ended June 30, 2024 and 2023 (in millions): 
Foreign currency translation adjustmentsNet unrealized gains (losses) on available-for-sale securitiesTotal AOCI, net of tax
Foreign currency translation
Net investment hedges (1)
Total, net of taxBefore taxTaxTotal, net of tax
Before tax
Tax (2)
Before taxTax
Three Months Ended June 30, 2024
Balance, March 31, 2024$(617)$88 $237 $(63)$(355)$(1)$— $(1)$(356)
Other comprehensive (loss) income ("OCI") for the period(27)36 29 (7)31 1 — 1 32 
Balance, June 30, 2024$(644)$124 $266 $(70)$(324)$— $— $— $(324)
Six Months Ended June 30, 2024
Balance, December 31, 2023$(537)$94 $171 $(48)$(320)$(4)$1 $(3)$(323)
OCI for the period(107)30 95 (22)(4)4 (1)3 (1)
Balance, June 30, 2024$(644)$124 $266 $(70)$(324)$— $— $— $(324)
Three Months Ended June 30, 2023
Balance, March 31, 2023$(474)$72 $197 $(54)$(259)$(10)$2 $(8)$(267)
OCI for the period(2)4 (34)8 (24)(1)1 — (24)
Balance, June 30, 2023$(476)$76 $163 $(46)$(283)$(11)$3 $(8)$(291)
Six Months Ended June 30, 2023
Balance, December 31, 2022$(579)$93 $310 $(81)$(257)$(13)$3 $(10)$(267)
OCI for the period103 (17)(147)35 (26)2 — 2 (24)
Balance, June 30, 2023$(476)$76 $163 $(46)$(283)$(11)$3 $(8)$(291)
(1)    Net investment hedges balance at June 30, 2024 and earlier dates presented above, includes accumulated net losses from fair value adjustments of $35 million ($53 million before tax) associated with previously settled derivatives that were designated as net investment hedges. The remaining balances relate to foreign currency transaction gains (losses) and related tax benefits (expenses) associated with the Company's Euro-denominated debt that is designated as a hedge of the foreign currency exposure of the net investment in certain Euro functional currency subsidiaries (see Note 9).
(2)    The tax benefits relate to foreign currency translation adjustments to the Company's one-time deemed repatriation tax liability recorded at December 31, 2017 and foreign earnings for periods after December 31, 2017 that are subject to U.S. federal and state income tax, resulting from the enactment of the U.S. Tax Cuts and Jobs Act.
v3.24.2.u1
OTHER INCOME (EXPENSE), NET (Tables)
 6 Months Ended
Jun. 30, 2024
Other Income and Expenses [Abstract]  
Components of other income (expense), net
The components of other income (expense), net for the three and six months ended June 30, 2024 and 2023 were as follows (in millions):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Foreign currency transaction gains (losses) (1)
$25 $(48)$161 $(101)
Net gains (losses) on equity securities (2)
11 (34)(5)(167)
Other
1 2 3 7 
Other income (expense), net$37 $(80)$159 $(261)
(1)    Foreign currency transaction gains (losses) include gains of $68 million and $235 million for the three and six months ended June 30, 2024, respectively, and losses of $8 million and $34 million for the three and six months ended June 30, 2023, respectively, related to Euro-denominated debt and accrued interest that were not designated as net investment hedges (see Note 9).
(2)    See Note 5 for additional information related to net gains (losses) on equity securities.
v3.24.2.u1
REVENUES - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Disaggregation of Revenue [Line Items]        
Revenues $ 5,859 $ 5,462 $ 10,274 $ 9,240
Online accommodation reservation services | Revenue Benchmark | Product Concentration Risk        
Disaggregation of Revenue [Line Items]        
Concentration risk percentage 89.00% 89.00% 89.00% 89.00%
U.S.        
Disaggregation of Revenue [Line Items]        
Revenues $ 638 $ 615 $ 1,195 $ 1,138
The Netherlands        
Disaggregation of Revenue [Line Items]        
Revenues 4,463 4,340 7,802 7,199
Other        
Disaggregation of Revenue [Line Items]        
Revenues $ 758 $ 507 $ 1,277 $ 903
v3.24.2.u1
REVENUES - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Online accommodation reservation services | Revenue Benchmark | Product Concentration Risk          
Disaggregation of Revenue [Line Items]          
Concentration risk percentage 89.00% 89.00% 89.00% 89.00%  
Concentration risk percentage 89.00% 89.00% 89.00% 89.00%  
Incentives Programs | Accrued expenses and other current liabilities          
Disaggregation of Revenue [Line Items]          
Liabilities for incentives granted to consumers $ 112   $ 112   $ 149
v3.24.2.u1
STOCK-BASED COMPENSATION - Narrative (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2024
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Aggregate grant-date fair value of performance share units and restricted stock units granted during the period $ 620
Aggregate fair value of performance share units and restricted stock units vested during the period 716
Restricted Stock Units and Performance Share Units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Total unrecognized estimated compensation expense, unvested share-based awards $ 991
Total future compensation cost related to unvested share-based awards, expected period of recognition 2 years 1 month 6 days
v3.24.2.u1
STOCK-BASED COMPENSATION - Summary of Share-Based Compensation Activity (Details) - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2022
Restricted Stock Units    
Shares    
Unvested, beginning of period (in shares) 291,404  
Granted (in shares) 139,749  
Vested (in shares) (128,741)  
Forfeited (in shares) (8,110)  
Unvested, end of period (in shares) 294,302  
Weighted-average Grant-date Fair Value    
Unvested, beginning of period (in dollars per share) $ 2,404  
Granted (in dollars per share) 3,512  
Vested (in dollars per share) 2,327  
Forfeited (in dollars per share) 2,689  
Unvested, end of period (in dollars per share) $ 2,957  
Performance Share Units    
Shares    
Unvested, beginning of period (in shares) 233,026  
Granted (in shares) 35,301  
Vested (in shares) (76,070)  
Performance shares adjustment (in shares) (102)  
Forfeited (in shares) (3,994)  
Unvested, end of period (in shares) 188,161  
Weighted-average Grant-date Fair Value    
Unvested, beginning of period (in dollars per share) $ 2,467  
Granted (in dollars per share) 3,660  
Vested (in dollars per share) 2,452  
Performance shares adjustment (in dollars per share) 3,429  
Forfeited (in dollars per share) 2,532  
Unvested, end of period (in dollars per share) $ 2,695  
Performance Share Units 2022 Grants | Performance Share Units    
Weighted-average Grant-date Fair Value    
Performance share units awarded during the period where a grant date was not yet established. (in shares)   4,399
Performance share units awarded during the period where a grant date was established. (in shares) 4,399  
v3.24.2.u1
STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Aggregate Intrinsic Value    
Exercised $ 14  
Stock Options    
Number of Shares    
Balance, beginning of period (in shares) 25,523  
Exercised (in shares) (6,720)  
Balance, end of period (in shares) 18,803 25,523
Exercisable (in shares) 18,803  
Weighted-average Exercise Price    
Balance, beginning of period (in dollars per share) $ 1,411  
Exercised (in dollars per share) 1,411  
Balance, end of period (in dollars per share) 1,411 $ 1,411
Exercisable (in dollars per share) $ 1,411  
Aggregate Intrinsic Value    
Balance $ 48 $ 55
Exercisable $ 48  
Weighted-average Remaining Contractual Term    
Balance 5 years 10 months 24 days 6 years 4 months 24 days
Exercisable 5 years 10 months 24 days  
v3.24.2.u1
NET INCOME PER SHARE (Details) - shares
shares in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Earnings Per Share [Abstract]        
Weighted-average number of basic common shares outstanding (in shares) 33,839 36,678 34,023 37,147
Weighted-average dilutive stock options, restricted stock units and performance share units (in shares) 183 157 236 200
Assumed conversion of convertible senior notes (in shares) 245 129 227 124
Weighted-average number of diluted common and common equivalent shares outstanding (in shares) 34,267 36,964 34,486 37,471
v3.24.2.u1
INVESTMENTS - Summary of Investments by Major Security Type (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Debt securities:    
Carrying Value $ 37 $ 576
Equity securities:    
Cost 826 793
Gross Unrealized Gains /Upward Adjustments 259 259
Gross Unrealized Losses /Downward Adjustments (617) (612)
Carrying Value 468 440
Short-term Investments    
Debt securities:    
Cost 37 580
Gross Unrealized Gains/Upward Adjustments 0 0
Gross Unrealized Losses/Downward Adjustments 0 (4)
Carrying Value 37 576
International government securities | Short-term Investments    
Debt securities:    
Cost   63
Gross Unrealized Gains/Upward Adjustments   0
Gross Unrealized Losses/Downward Adjustments   0
Carrying Value   63
U.S. government securities | Short-term Investments    
Debt securities:    
Cost   152
Gross Unrealized Gains/Upward Adjustments   0
Gross Unrealized Losses/Downward Adjustments   (1)
Carrying Value   151
Corporate debt securities | Short-term Investments    
Debt securities:    
Cost   365
Gross Unrealized Gains/Upward Adjustments   0
Gross Unrealized Losses/Downward Adjustments   (3)
Carrying Value   362
Equity securities with readily determinable fair values | Long-term Investments    
Equity securities:    
Cost 715 715
Gross Unrealized Gains /Upward Adjustments 0 0
Gross Unrealized Losses /Downward Adjustments (392) (404)
Carrying Value 323 311
Equity securities of private entities | Long-term Investments    
Equity securities:    
Cost 111 78
Gross Unrealized Gains /Upward Adjustments 259 259
Gross Unrealized Losses /Downward Adjustments (225) (208)
Carrying Value $ 145 $ 129
v3.24.2.u1
INVESTMENTS - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Schedule of Investments [Line Items]          
Proceeds from sale and maturity of investments   $ 515 $ 1,737    
DiDi Global Inc. [Member]          
Schedule of Investments [Line Items]          
Equity securities, fair value   163   $ 155  
Grab Holdings Limited [Member]          
Schedule of Investments [Line Items]          
Equity securities, fair value   150   143  
Meituan-Dianping [Member]          
Schedule of Investments [Line Items]          
Proceeds from sale and maturity of investments     1,700    
Net loss on equity securities     149    
Cost         $ 450
Yanolja | Equity securities of private entities          
Schedule of Investments [Line Items]          
Cost of investment without readily determinable fair values   51   51  
Equity securities, impairment loss $ 24   $ 24    
Investment in equity securities without readily determinable FV   $ 98   $ 98  
v3.24.2.u1
FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Carried at Fair Value (Details)
$ in Millions
Jun. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jun. 30, 2023
Maximum | Yanolja | Weighted average cost of capital | Income Approach      
LIABILITIES:      
Equity securities, fair value measurement input     0.145
Maximum | Yanolja | Terminal EBITDA Multiple | Income Approach      
LIABILITIES:      
Equity securities, fair value measurement input     16
Minimum | Yanolja | Weighted average cost of capital | Income Approach      
LIABILITIES:      
Equity securities, fair value measurement input     0.105
Minimum | Yanolja | Terminal EBITDA Multiple | Income Approach      
LIABILITIES:      
Equity securities, fair value measurement input     14
Recurring Basis      
ASSETS:      
Assets at fair value $ 15,469 $ 11,917  
Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value 15,024 10,871  
Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value 61 97  
Recurring Basis | Debt securities | Short-term Investments      
ASSETS:      
Assets at fair value 37    
Recurring Basis | International government securities | Short-term Investments      
ASSETS:      
Assets at fair value   63  
Recurring Basis | U.S. government securities | Short-term Investments      
ASSETS:      
Assets at fair value   151  
Recurring Basis | Corporate debt securities | Short-term Investments      
ASSETS:      
Assets at fair value   362  
Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments      
ASSETS:      
Assets at fair value 323 311  
Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives      
ASSETS:      
Assets at fair value 24 62  
LIABILITIES:      
Liabilities at fair value 59 36  
Nonrecurring Basis | Equity securities of private entities | Long-term Investments      
ASSETS:      
Assets at fair value   98  
Level 1 | Recurring Basis      
ASSETS:      
Assets at fair value 15,408 11,279  
Level 1 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value 15,024 10,871  
Level 1 | Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value 61 97  
Level 1 | Recurring Basis | Debt securities | Short-term Investments      
ASSETS:      
Assets at fair value 0    
Level 1 | Recurring Basis | International government securities | Short-term Investments      
ASSETS:      
Assets at fair value   0  
Level 1 | Recurring Basis | U.S. government securities | Short-term Investments      
ASSETS:      
Assets at fair value   0  
Level 1 | Recurring Basis | Corporate debt securities | Short-term Investments      
ASSETS:      
Assets at fair value   0  
Level 1 | Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments      
ASSETS:      
Assets at fair value 323 311  
Level 1 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives      
ASSETS:      
Assets at fair value 0 0  
LIABILITIES:      
Liabilities at fair value 0 0  
Level 1 | Nonrecurring Basis | Equity securities of private entities | Long-term Investments      
ASSETS:      
Assets at fair value   0  
Level 2 | Recurring Basis      
ASSETS:      
Assets at fair value 61 638  
Level 2 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value 0 0  
Level 2 | Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value 0 0  
Level 2 | Recurring Basis | Debt securities | Short-term Investments      
ASSETS:      
Assets at fair value 37    
Level 2 | Recurring Basis | International government securities | Short-term Investments      
ASSETS:      
Assets at fair value   63  
Level 2 | Recurring Basis | U.S. government securities | Short-term Investments      
ASSETS:      
Assets at fair value   151  
Level 2 | Recurring Basis | Corporate debt securities | Short-term Investments      
ASSETS:      
Assets at fair value   362  
Level 2 | Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments      
ASSETS:      
Assets at fair value 0 0  
Level 2 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives      
ASSETS:      
Assets at fair value 24 62  
LIABILITIES:      
Liabilities at fair value $ 59 36  
Level 2 | Nonrecurring Basis | Equity securities of private entities | Long-term Investments      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis | Money market fund investments | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis | Certificates of deposit | Cash Equivalents and Restricted Cash Equivalents      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis | International government securities | Short-term Investments      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis | U.S. government securities | Short-term Investments      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis | Corporate debt securities | Short-term Investments      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis | Equity securities with readily determinable fair values | Long-term Investments      
ASSETS:      
Assets at fair value   0  
Level 3 | Recurring Basis | Not Designated as Hedging Instrument | Foreign currency exchange derivatives      
ASSETS:      
Assets at fair value   0  
LIABILITIES:      
Liabilities at fair value   0  
Level 3 | Nonrecurring Basis | Equity securities of private entities | Long-term Investments      
ASSETS:      
Assets at fair value   $ 98  
v3.24.2.u1
FAIR VALUE MEASUREMENTS - Notional Amount of Foreign Currency Exchange Derivatives (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Losses on foreign currency exchange derivatives $ 77 $ 67 $ 162 $ 84  
Foreign currency exchange derivatives | Not Designated as Hedging Instrument | Foreign currency purchases [Member]          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount 6,700   6,700   $ 4,900
Foreign currency exchange derivatives | Not Designated as Hedging Instrument | Foreign currency sales [Member]          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Notional amount $ 3,800   $ 3,800   $ 4,200
v3.24.2.u1
ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS - Narrative (Details) - USD ($)
$ in Billions
Jun. 30, 2024
Dec. 31, 2023
Receivables [Abstract]    
Receivables from customers $ 2.1 $ 1.9
Receivables from payment processors and networks $ 1.6 $ 1.3
v3.24.2.u1
ACCOUNTS RECEIVABLE AND OTHER FINANCIAL ASSETS - Summary of the Activity of the Allowance for Expected Credit Losses on Accounts Receivable (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Balance, beginning of year $ 137 $ 117
Provision charged to earnings 95 60
Write-offs and adjustments (117) (92)
Foreign currency translation adjustments (4) 2
Balance, end of period $ 111 $ 87
v3.24.2.u1
INTANGIBLE ASSETS AND GOODWILL - Schedule of Intangible Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Dec. 31, 2023
Finite-lived intangible assets    
Gross Carrying Amount $ 3,527 $ 3,544
Accumulated Amortization (2,029) (1,931)
Net Carrying Amount 1,498 1,613
Trade names    
Finite-lived intangible assets    
Gross Carrying Amount 1,808 1,812
Accumulated Amortization (956) (911)
Net Carrying Amount $ 852 901
Trade names | Minimum    
Finite-lived intangible assets    
Amortization Period 3 years  
Trade names | Maximum    
Finite-lived intangible assets    
Amortization Period 20 years  
Supply and distribution agreements    
Finite-lived intangible assets    
Gross Carrying Amount $ 1,391 1,402
Accumulated Amortization (796) (759)
Net Carrying Amount $ 595 643
Supply and distribution agreements | Minimum    
Finite-lived intangible assets    
Amortization Period 3 years  
Supply and distribution agreements | Maximum    
Finite-lived intangible assets    
Amortization Period 20 years  
Other intangible assets    
Finite-lived intangible assets    
Gross Carrying Amount $ 328 330
Accumulated Amortization (277) (261)
Net Carrying Amount $ 51 $ 69
Other intangible assets | Maximum    
Finite-lived intangible assets    
Amortization Period 20 years  
v3.24.2.u1
INTANGIBLE ASSETS AND GOODWILL - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]          
Amortization of Intangible Assets $ 56 $ 56 $ 111 $ 111  
Cumulative impairment charges 2,000   2,000   $ 2,000
Goodwill $ 2,814   $ 2,814   $ 2,826
v3.24.2.u1
DEBT - Schedule of Outstanding Debt (Details)
€ in Millions, $ in Millions
Jun. 30, 2024
USD ($)
Jun. 30, 2024
EUR (€)
Dec. 31, 2023
USD ($)
Apr. 30, 2020
USD ($)
Debt Instrument        
Outstanding Principal  Amount $ 16,902   $ 14,249  
Unamortized discounts and debt issuance costs 94   65  
Short-term debt 3,447   1,961  
Long-term debt 13,361   12,223  
Carrying value of long-term debt 16,808   14,184  
Senior Notes        
Debt Instrument        
Outstanding Principal  Amount 13,450   12,282  
Long-term debt 13,361   12,223  
Senior Notes        
Debt Instrument        
Outstanding Principal  Amount 3,452   1,967  
Short-term debt $ 3,447   1,961  
2.375% (€1 Billion) Senior Notes due September 2024 (2) (3)        
Debt Instrument        
Stated interest rate 2.375% 2.375%    
Aggregate principal amount | €   € 1,000    
2.375% (€1 Billion) Senior Notes due September 2024 (2) (3) | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,072   1,105  
Short-term debt $ 1,071   1,104  
3.65% Senior Notes due March 2025 (2)        
Debt Instrument        
Stated interest rate 3.65% 3.65%    
3.65% Senior Notes due March 2025 (2) | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount     500  
Long-term debt     499  
3.65% Senior Notes due March 2025 (2) | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 500      
Short-term debt $ 500      
0.1% (€950 Million) Senior Notes due March 2025 (2)        
Debt Instrument        
Stated interest rate 0.10% 0.10%    
Aggregate principal amount | €   € 950    
0.1% (€950 Million) Senior Notes due March 2025 (2) | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount     1,050  
Long-term debt     1,048  
0.1% (€950 Million) Senior Notes due March 2025 (2) | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,018      
Short-term debt $ 1,017      
0.75% Convertible Senior Notes due May 2025 (2) (3)        
Debt Instrument        
Stated interest rate 0.75% 0.75%    
0.75% Convertible Senior Notes due May 2025 (2) (3) | Convertible Debt        
Debt Instrument        
Stated interest rate       0.75%
Aggregate principal amount       $ 863
0.75% Convertible Senior Notes due May 2025 (2) (3) | Convertible Debt        
Debt Instrument        
Outstanding Principal  Amount $ 862   862  
Short-term debt $ 859   857  
3.6% Senior Notes due June 2026        
Debt Instrument        
Stated interest rate 3.60% 3.60%    
3.6% Senior Notes due June 2026 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,000   1,000  
Long-term debt $ 998   998  
4.0% (€750 Million) Senior Notes due November 2026        
Debt Instrument        
Stated interest rate 4.00% 4.00%    
Aggregate principal amount | €   € 750    
4.0% (€750 Million) Senior Notes due November 2026 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 804   828  
Long-term debt $ 802   825  
1.8% (€1 Billion) Senior Notes due March 2027        
Debt Instrument        
Stated interest rate 1.80% 1.80%    
Aggregate principal amount | €   € 1,000    
1.8% (€1 Billion) Senior Notes due March 2027 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,072   1,105  
Long-term debt $ 1,070   1,103  
3.55% Senior Notes due March 2028        
Debt Instrument        
Stated interest rate 3.55% 3.55%    
3.55% Senior Notes due March 2028 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 500   500  
Long-term debt $ 499   499  
0.5% (€750 Million) Senior Notes due March 2028        
Debt Instrument        
Stated interest rate 0.50% 0.50%    
Aggregate principal amount | €   € 750    
0.5% (€750 Million) Senior Notes due March 2028 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 804   828  
Long-term debt $ 801   825  
3.625% (€500 Million) Senior Notes due November 2028        
Debt Instrument        
Stated interest rate 3.625% 3.625%    
Aggregate principal amount | €   € 500    
3.625% (€500 Million) Senior Notes due November 2028 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 536   552  
Long-term debt $ 533   549  
$3.5% (€500 Million) Senior Notes due March 2029        
Debt Instrument        
Stated interest rate 3.50% 3.50%    
Aggregate principal amount | €   € 500    
$3.5% (€500 Million) Senior Notes due March 2029 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 536   0  
Long-term debt $ 533   0  
4.25% (€750 Million) Senior Notes due May 2029        
Debt Instrument        
Stated interest rate 4.25% 4.25%    
Aggregate principal amount | €   € 750    
4.25% (€750 Million) Senior Notes due May 2029 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 804   828  
Long-term debt $ 799   823  
4.625% Senior Notes due April 2030        
Debt Instrument        
Stated interest rate 4.625% 4.625%    
4.625% Senior Notes due April 2030 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,500   1,500  
Long-term debt $ 1,493   1,492  
4.5% (€1 Billion) Senior Notes due November 2031        
Debt Instrument        
Stated interest rate 4.50% 4.50%    
Aggregate principal amount | €   € 1,000    
4.5% (€1 Billion) Senior Notes due November 2031 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,072   1,105  
Long-term debt $ 1,065   1,098  
$3.625% (€650 Million) Senior Notes due March 2032        
Debt Instrument        
Stated interest rate 3.625% 3.625%    
Aggregate principal amount | €   € 650    
$3.625% (€650 Million) Senior Notes due March 2032 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 697   0  
Long-term debt $ 693   0  
4.125% (€1.25 Billion) Senior Notes due May 2033        
Debt Instrument        
Stated interest rate 4.125% 4.125%    
Aggregate principal amount | €   € 1,250    
4.125% (€1.25 Billion) Senior Notes due May 2033 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,339   1,381  
Long-term debt $ 1,326   1,367  
4.75% (€1 Billion) Senior Notes due November 2034        
Debt Instrument        
Stated interest rate 4.75% 4.75%    
Aggregate principal amount | €   € 1,000    
4.75% (€1 Billion) Senior Notes due November 2034 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 1,072   1,105  
Long-term debt $ 1,064   1,097  
$3.75% (€850 Million) Senior Notes due March 2036        
Debt Instrument        
Stated interest rate 3.75% 3.75%    
Aggregate principal amount | €   € 850    
$3.75% (€850 Million) Senior Notes due March 2036 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 910   0  
Long-term debt $ 897   0  
$4.0% (€750 Million) Senior Notes due March 2044        
Debt Instrument        
Stated interest rate 4.00% 4.00%    
Aggregate principal amount | €   € 750    
$4.0% (€750 Million) Senior Notes due March 2044 | Senior Notes        
Debt Instrument        
Outstanding Principal  Amount $ 804   0  
Long-term debt $ 788   $ 0  
v3.24.2.u1
DEBT - Narrative (Details)
$ / shares in Units, € in Millions
 1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2023
USD ($)
Apr. 30, 2020
USD ($)
day
Jun. 30, 2024
USD ($)
$ / shares
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
$ / shares
Jun. 30, 2023
USD ($)
Jun. 30, 2024
EUR (€)
Dec. 31, 2023
USD ($)
Level 2                
Debt Instrument                
Estimated fair value of outstanding debt     $ 17,800,000,000   $ 17,800,000,000     $ 15,200,000,000
0.75% Convertible Senior Notes due May 2025 (2) (3)                
Debt Instrument                
Stated interest rate     0.75%   0.75%   0.75%  
3.500% Senior Notes Due 2029                
Debt Instrument                
Aggregate principal amount | €             € 500  
Stated interest rate     3.50%   3.50%   3.50%  
3.625% Senior Notes Due 2032                
Debt Instrument                
Aggregate principal amount | €             € 650  
Stated interest rate     3.625%   3.625%   3.625%  
3.750% Senior Notes Due 2036                
Debt Instrument                
Aggregate principal amount | €             € 850  
Stated interest rate     3.75%   3.75%   3.75%  
4.000% Senior Notes Due 2044                
Debt Instrument                
Aggregate principal amount | €             € 750  
Stated interest rate     4.00%   4.00%   4.00%  
Convertible Debt | 0.75% Convertible Senior Notes due May 2025 (2) (3)                
Debt Instrument                
Aggregate principal amount   $ 863,000,000            
Stated interest rate   0.75%            
Conversion price (in dollars per share) | $ / shares     $ 1,877.23   $ 1,877.23      
Ratio of closing share price to conversion price as a condition for conversion of the convertible notes, minimum (Percentage)   130.00%            
Convertible Debt | 0.75% Convertible Senior Notes due May 2025 (2) (3) | Level 2                
Debt Instrument                
Estimated fair value of outstanding debt     $ 1,800,000,000   $ 1,800,000,000     1,600,000,000
Senior Notes                
Debt Instrument                
Interest expense, debt, coupon interest     $ 136,000,000 $ 100,000,000 $ 254,000,000 $ 192,000,000    
Senior Notes | 3.500% Senior Notes Due 2029                
Debt Instrument                
Effective interest rate at debt origination     3.61%   3.61%   3.61%  
Senior Notes | 3.625% Senior Notes Due 2032                
Debt Instrument                
Effective interest rate at debt origination     3.71%   3.71%   3.71%  
Senior Notes | 3.750% Senior Notes Due 2036                
Debt Instrument                
Effective interest rate at debt origination     3.92%   3.92%   3.92%  
Senior Notes | 4.000% Senior Notes Due 2044                
Debt Instrument                
Effective interest rate at debt origination     4.15%   4.15%   4.15%  
Senior Notes | 2.75% Senior Notes Due March 2023                
Debt Instrument                
Repayments of senior debt $ 500,000,000              
Minimum | Euro-Denominated Debt | Designated as Hedging Instrument                
Debt Instrument                
Carrying value of the portions of euro-denominated debt designated as a net investment hedge         $ 2,300,000,000 5,900,000,000    
Minimum | Convertible Debt | 0.75% Convertible Senior Notes due May 2025 (2) (3)                
Debt Instrument                
Minimum and maximum consecutive days the closing sales price of common stock must exceed a specified percentage of conversion price to trigger conversion feature of note (in days) | day   20            
Additional payment to debt holder, settled In shares, aggregate value   $ 0            
Maximum | Euro-Denominated Debt | Designated as Hedging Instrument                
Debt Instrument                
Carrying value of the portions of euro-denominated debt designated as a net investment hedge         3,500,000,000 $ 7,500,000,000    
Maximum | Convertible Debt | 0.75% Convertible Senior Notes due May 2025 (2) (3)                
Debt Instrument                
Minimum and maximum consecutive days the closing sales price of common stock must exceed a specified percentage of conversion price to trigger conversion feature of note (in days) | day   30            
Additional payment to debt holder, settled In shares, aggregate value   $ 235,000,000            
Revolving Credit Facility                
Debt Instrument                
Revolving credit facility, maximum borrowing capacity     $ 2,000,000,000   2,000,000,000      
Long-term line of credit     0   0      
Letter of Credit                
Debt Instrument                
Letters of credit issued     $ 22,000,000   $ 22,000,000     $ 18,000,000
v3.24.2.u1
TREASURY STOCK AND DIVIDENDS (Details) - USD ($)
$ / shares in Units, shares in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2024
Jun. 30, 2024
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Equity, Class of Treasury Stock [Line Items]              
Authorized stock repurchase programs (in shares)     437 1,178 973 2,056  
Authorized stock repurchase programs     $ 1,628,000,000 $ 3,141,000,000 $ 3,532,000,000 $ 5,336,000,000  
General authorization for shares withheld on stock award vesting (in shares)     2 1 92 67  
General authorization for shares withheld on stock award vesting     $ 6,000,000 $ 3,000,000 $ 321,000,000 $ 176,000,000  
Treasury stock repurchased but unsettled by period end amount   $ 25,000,000          
Payments related to tax withholding for share-based compensation         320,000,000 176,000,000  
Estimated excise tax liability for share repurchases   124,000,000 124,000,000   124,000,000   $ 96,000,000
Dividend paid         594,000,000 $ 0  
Subsequent Event              
Equity, Class of Treasury Stock [Line Items]              
Common Stock, Dividends, Per Share, Declared $ 8.75            
2023 Share Repurchase Program              
Equity, Class of Treasury Stock [Line Items]              
Remaining authorization to repurchase common stock   $ 10,600,000,000 $ 10,600,000,000   $ 10,600,000,000   13,700,000,000
Amount of common stock repurchases authorized             $ 20,000,000,000
Common Stock Repurchase Program              
Equity, Class of Treasury Stock [Line Items]              
Authorized stock repurchase programs (in shares)     435 1,177 881 1,989  
Authorized stock repurchase programs     $ 1,622,000,000 $ 3,138,000,000 $ 3,211,000,000 $ 5,160,000,000  
v3.24.2.u1
INCOME TAXES (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Income Tax Contingency [Line Items]          
Effective tax rate, percent 20.90% 20.30% 19.70% 19.00%  
Federal statutory tax rate, percent 21.00% 21.00% 21.00% 21.00%  
Unrecognized tax benefits $ 92   $ 92   $ 67
Unrecognized tax benefits that would impact the effective tax rate 67   67    
Unrecognized tax benefits, income tax penalties and interest accrued $ 7   $ 7   $ 7
Tax and Customs Administration, Netherlands          
Income Tax Contingency [Line Items]          
Federal statutory tax rate, percent 25.80% 25.80% 25.80% 25.80%  
Effective income tax rate at innovation box tax rate, percent 9.00% 9.00% 9.00% 9.00%  
v3.24.2.u1
CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS BY COMPONENT (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Total AOCI, net of tax        
Balance $ (4,052) $ 1,074 $ (2,744) $ 2,782
Other comprehensive income (loss), net of tax 32 (24) (1) (24)
Balance (4,276) (665) (4,276) (665)
Foreign currency translation        
Before tax        
Balance (617) (474) (537) (579)
Other comprehensive (loss) income ("OCI") for the period (27) (2) (107) 103
Balance (644) (476) (644) (476)
Tax (expense) benefit        
Balance 88 72 94 93
Other comprehensive (loss) income ("OCI") for the period 36 4 30 (17)
Balance 124 76 124 76
Net investment hedges        
Before tax        
Balance 237 197 171 310
Other comprehensive (loss) income ("OCI") for the period 29 (34) 95 (147)
Balance 266 163 266 163
Tax (expense) benefit        
Balance (63) (54) (48) (81)
Other comprehensive (loss) income ("OCI") for the period (7) 8 (22) 35
Balance (70) (46) (70) (46)
Foreign currency translation adjustments        
Total AOCI, net of tax        
Balance (355) (259) (320) (257)
Other comprehensive income (loss), net of tax 31 (24) (4) (26)
Balance (324) (283) (324) (283)
Foreign currency translation adjustments | Net Investment Hedging | Foreign Currency Forward        
Before tax        
Balance (53) (53) (53) (53)
Balance (53) (53) (53) (53)
Total AOCI, net of tax        
Balance (35) (35) (35) (35)
Balance (35) (35) (35) (35)
Net unrealized gains (losses) on available-for-sale securities        
Before tax        
Balance (1) (10) (4) (13)
Other comprehensive (loss) income ("OCI") for the period 1 (1) 4 2
Balance 0 (11) 0 (11)
Tax (expense) benefit        
Balance 0 2 1 3
Other comprehensive (loss) income ("OCI") for the period 0 1 (1) 0
Balance 0 3 0 3
Total AOCI, net of tax        
Balance (1) (8) (3) (10)
Other comprehensive income (loss), net of tax 1 0 3 2
Balance 0 (8) 0 (8)
Total AOCI, net of tax        
Total AOCI, net of tax        
Balance (356) (267) (323) (267)
Other comprehensive income (loss), net of tax 32 (24) (1) (24)
Balance $ (324) $ (291) $ (324) $ (291)
v3.24.2.u1
COMMITMENTS AND CONTINGENCIES (Details)
€ in Millions, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 33 Months Ended 79 Months Ended
Jul. 31, 2024
EUR (€)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
EUR (€)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
EUR (€)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
EUR (€)
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
EUR (€)
Aug. 31, 2021
USD ($)
Aug. 31, 2021
EUR (€)
Dec. 31, 2023
USD ($)
Jun. 30, 2024
EUR (€)
Jan. 31, 2024
EUR (€)
Dec. 31, 2023
EUR (€)
Commitments and Contingencies                                
Unrecognized tax benefits   $ 92   $ 92   $ 92     $ 67       $ 67      
Deferred income tax benefit           2   $ 389                
Partner liability insurance maximum coverage per occurrence   1   1   1                    
ITALY                                
Commitments and Contingencies                                
Short-term rental tax rate                         21.00%      
Standby Letters of Credit and Bank Guarantees                                
Commitments and Contingencies                                
Letters of credit and bank guarantees issued   1,000   1,000   1,000     533       $ 533      
Unfavorable Regulatory Action                                
Commitments and Contingencies                                
Accruals for loss contingencies | €                             € 486  
Loss contingency accrual, provision                 530 € 486            
Loss contingency accrual, period decrease       78 € 72 78 € 72                  
Unfavorable Regulatory Action | Subsequent Event                                
Commitments and Contingencies                                
Accruals for loss contingencies | € € 413                              
Loss contingency accrual, period decrease | € € 72                              
Italian Tax Matters                                
Commitments and Contingencies                                
Unrecognized tax benefits   36   36   36     36       $ 36 € 33   € 33
Deferred income tax benefit                 17 15            
Prepayments made to appeal a litigation matter or avoid collection enforcement   79   79   79               € 74    
Italian Tax Matters | Tax Years 2013 Through 2018                                
Commitments and Contingencies                                
Tax assessments                     $ 269 € 251        
Pension-related litigation                                
Commitments and Contingencies                                
Loss contingency accrual, provision       $ 20 € 18 $ 41 € 37   $ 276 € 253            
Guardia di Finanza of Rome Tax Audit | Tax Periods June 2017 through December 2023                                
Commitments and Contingencies                                
Recommended tax assessment   $ 424 € 396                          
v3.24.2.u1
OTHER INCOME (EXPENSE), NET (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Other Income and Expenses [Abstract]        
Foreign currency transaction gains (losses) $ 25 $ (48) $ 161 $ (101)
Net gains (losses) on equity securities 11 (34) (5) (167)
Other 1 2 3 7
Other income (expense), net 37 (80) 159 (261)
Foreign currency transaction gains related to Euro-denominated debt $ 68 $ (8) $ 235 $ (34)
v3.24.2.u1
OTHER - Narrative (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Supplemental Cash Flow Information [Abstract]    
Noncash investing activity related to additions to property and equipment, including stock-based compensation and accrued liabilities $ 30 $ 25
Cash paid during the period for income taxes 1,400 1,300
Cash paid during the period for interest $ 405 $ 356
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