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Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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- Definition

The amount of a reclassification adjustment made to prior period financial statement amounts.

+ References

No definition available.

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- Definition

Amount of accumulated undistributed earnings (deficit).

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- Definition

Description of timing for satisfying performance obligation in contract with customer. Includes, but is not limited to, as services are rendered, and upon shipment, delivery or completion of service.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2021	Apr. 30, 2020
Accounting Policies [Line Items]
Prior Period Reclassification Adjustment		$ 106
Retained earnings	$ 36,525	31,830
Long-term debt	14,853	12,223
Additional paid-in capital	(7,707)	(7,175)
Deferred income taxes	$ (289)	$ (258)
Online Travel Reservation Services
Accounting Policies [Line Items]
Time period from the reservation date that performance obligations are expected to be completed	one year
0.75% Convertible Senior Notes due May 2025 (2)(3)
Accounting Policies [Line Items]
Stated interest rate	0.75%
Accounting Standards Update 2020-06
Accounting Policies [Line Items]
Retained earnings			$ 30
Long-term debt			86
Additional paid-in capital			96
Deferred income taxes			$ 21
Convertible Senior Notes \| 0.75% Convertible Senior Notes due May 2025 (2)(3)
Accounting Policies [Line Items]
Stated interest rate			0.75%	0.75%