Financial Instruments and Fair Value Measurements - Summary of Undesignated Financial Instruments Exercised and Realized and Unrealized Gains (Losses) in Foreign Currency, Derivative and Other Gains and Other Income, Net (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) Contract	Sep. 30, 2024 USD ($) Contract	Sep. 30, 2025 USD ($) Contract	Sep. 30, 2024 USD ($) Contract
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Exercised contracts | Contract	31	30	83	161
Realized gains (losses) on the matured, expired or settled contracts	$ 3	$ 10	$ 16	$ 50
Unrealized gains (losses) on the change in fair value of outstanding contracts	$ 34	$ (67)	$ (97)	$ (32)