Significant Accounting Policies - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 EUR (€)	Mar. 31, 2022 EUR (€)	Mar. 02, 2022 EUR (€) instrument
Significant Accounting Policies [Line Items]
Prepaid merchant bookings	$ 365	$ 480
Deferred merchant bookings	7,723	7,151
Deferred revenue	164	163
Advertising expense	$ 3,800	$ 3,900	$ 2,700
RSUs
Significant Accounting Policies [Line Items]
Vesting period	4 years
2.5% (€650 million) Senior Notes Due 2022 | Senior notes
Significant Accounting Policies [Line Items]
Debt instrument, redeemed amount | €				€ 650,000,000	€ 650,000,000
Debt, interest rate		2.50%		2.50%	2.50%
2.5% (€650 million) Senior Notes Due 2022 | Senior notes
Significant Accounting Policies [Line Items]
Debt, interest rate					2.50%
Cross-currency interest rate swaps | Designated as Hedging Instrument
Significant Accounting Policies [Line Items]
Fixed-to fixed cross currency interest rate swaps entered into | instrument						2
Notional amount of derivatives | €						€ 300,000,000
Derivative, fixed interest rate (in percent)					5.00%
Derivative, average fixed interest rate (in percent)					3.38%
Land Improvements
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	15 years
Buildings
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	40 years
Minimum
Significant Accounting Policies [Line Items]
Definite lived intangible assets, estimated useful life	1 year
Minimum | Performance stock units ("PSUs")
Significant Accounting Policies [Line Items]
Vesting period	2 years
Minimum | Stock Options
Significant Accounting Policies [Line Items]
Vesting period	3 years
Minimum | Computer Equipment
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	3 years
Minimum | Capitalized Software Development
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	3 years
Minimum | Furniture and Other Equipment
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	3 years
Maximum
Significant Accounting Policies [Line Items]
Definite lived intangible assets, estimated useful life	10 years
Maximum | Performance stock units ("PSUs")
Significant Accounting Policies [Line Items]
Vesting period	3 years
Maximum | Stock Options
Significant Accounting Policies [Line Items]
Vesting period	4 years
Maximum | Computer Equipment
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	5 years
Maximum | Capitalized Software Development
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	5 years
Maximum | Furniture and Other Equipment
Significant Accounting Policies [Line Items]
Property and equipment, estimated useful lives	5 years
Deferred Merchant Bookings
Significant Accounting Policies [Line Items]
Deferred merchant bookings	$ 6,900	$ 6,200
Deferred merchant bookings recognized during period	5,300
Revenue recognized during period	871
Deferred Loyalty Rewards
Significant Accounting Policies [Line Items]
Deferred merchant bookings	$ 871	961
Deferred Loyalty Rewards | Minimum
Significant Accounting Policies [Line Items]
Customer loyalty program, period of recognition	1 year
Deferred Loyalty Rewards | Maximum
Significant Accounting Policies [Line Items]
Customer loyalty program, period of recognition	2 years
Deferred Revenue
Significant Accounting Policies [Line Items]
Revenue recognized during period	$ 125
Deferred revenue	$ 164	$ 163