Financial Instruments and Fair Value Measurements - Summary of Undesignated Financial Instruments Exercised and Realized and Unrealized Gains (Losses) in Foreign Currency and Derivative Gains (Losses) Net (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) Contract	Dec. 31, 2020 USD ($) Contract	Dec. 31, 2019 USD ($) Contract
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Exercised contracts | Contract	161	173	115
Realized gains (losses) on the matured, expired or settled contracts	$ (8)	$ (6)	$ 28
Unrealized gains (losses) on the change in fair value of outstanding contracts	$ 88	$ (13)	$ (10)