Derivative Instruments And Hedging Activities - Fair Value of Derivative Instruments (Detail) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Assets	$ 18	$ 16
Liabilities	1,646	1,747
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Liabilities	302	366
Designated as Hedging Instrument | Long-term debt | Net Investment Hedging
Derivatives, Fair Value [Line Items]
Liabilities	1,339	1,381
Designated as Hedging Instrument | Cross currency swaps | Other assets | Net Investment Hedging
Derivatives, Fair Value [Line Items]
Assets	18	3
Designated as Hedging Instrument | Cross currency swaps | Accounts payable and accrued liabilities | Net Investment Hedging
Derivatives, Fair Value [Line Items]
Liabilities	11	0
Designated as Hedging Instrument | Cross currency swaps | Other liabilities | Net Investment Hedging
Derivatives, Fair Value [Line Items]
Liabilities	97	183
Designated as Hedging Instrument | Interest Rate Swap | Other liabilities | Fair Value Hedging
Derivatives, Fair Value [Line Items]
Liabilities	194	183
Not Designated as Accounting Hedges | FX forwards | Other current assets
Derivatives, Fair Value [Line Items]
Assets	0	13
Not Designated as Accounting Hedges | FX forwards | Accounts payable and accrued liabilities
Derivatives, Fair Value [Line Items]
Liabilities	$ 5	$ 0