Fair Value Measurements - Additional Information (Detail)		3 Months Ended
	Nov. 01, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 02, 2022 EUR (€) instrument	Dec. 31, 2021 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gains (losses) from foreign currency forward contracts		$ (34,000,000)	$ 19,000,000
Gain on minority equity investments, net		21,000,000	8,000,000
Carrying value of cost method investments		330,000,000			$ 330,000,000
Cumulative unrealized upward adjustments		2,000,000
Cumulative unrealized downward adjustments		105,000,000
Nonrecurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment losses related to a minority investment		0	0
American Express Global Business Travel
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Initial fair value	$ 815,000,000
American Express Global Business Travel | Disposed of by Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity interest maintained	19.00%
Despegar.com
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Gain on minority equity investments, net		$ 23,000,000	$ 8,000,000
American Express Global Business Travel | Measurement Input Long Term E B I T D A Growth Rate | Valuation Technique, Discounted Cash Flow
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment, measurement input		25.00%
American Express Global Business Travel | Measurement Input, Long-term Revenue Growth Rate | Valuation Technique, Discounted Cash Flow
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment, measurement input		2.50%
American Express Global Business Travel | Weighted Average Cost Of Capital | Valuation Technique, Discounted Cash Flow | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment, measurement input		9.50%
American Express Global Business Travel | Measurement Input, Revenue Multiple | Valuation, Market Approach
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment, measurement input		250.00%
American Express Global Business Travel | Measurement Input, Control Premium | Valuation, Market Approach
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment, measurement input		20.00%
American Express Global Business Travel | Equity investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Downward adjustments to annual amount		$ 2,000,000
Foreign currency forward contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional amount of derivatives		1,900,000,000
Gross forward asset		12,000,000			12,000,000
Foreign currency forward contracts					$ 3,000,000
Cross-currency interest rate swaps | Designated as Hedging Instrument
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional amount of derivatives | €				€ 300,000,000
Fixed-to fixed cross currency interest rate swaps entered into | instrument				2
Derivative, fixed interest rate (in percent)				5.00%
Derivative, average fixed interest rate (in percent)				3.38%
Fair value of derivative, liability		$ 3,000,000