Financial Instruments and Fair Value Measurements - Summary of Undesignated Financial Instruments Exercised and Realized and Unrealized Gains (Losses) in Foreign Currency and Derivative Gains, Net (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) Contract	Mar. 31, 2021 USD ($) Contract
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Exercised contracts | Contract	32	25
Realized gains (losses) on the matured, expired or settled contracts	$ 15	$ (1)
Unrealized gains on the change in fair value of outstanding contracts	$ 15	$ 38