Derivative Instruments And Hedging Activities - Summary of Net Gain (Loss) on Interest Rate Swaps Designated in Fair Value Hedge (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense, net	$ (213)	$ (237)	$ (251)
Designated as Hedging Instrument | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Fair value changes on interest rate swaps	85	14	56
Fair value changes on hedged debt	$ (85)	$ (14)	$ (56)
Designated as Hedging Instrument | Interest Rate Swap | Fair Value hedge Net Interest Settlements and Accruals
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, gain (loss), statement of income or comprehensive income	Interest expense, net	Interest expense, net	Interest expense, net
Net interest settlements and accruals on interest rate swaps	$ (62)	$ (96)	$ (89)