Financial Instruments - Derivative Instruments Measured at Fair Value (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities	$ 7	$ 29
Foreign Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	0	1
Total Fair Value, Derivative Liabilities	2	6
Currency Swap [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities	5	23
Fair Value of Derivatives Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities	5	29
Fair Value of Derivatives Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities	5
Fair Value of Derivatives Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	0	0
Total Fair Value, Derivative Liabilities	0	6
Fair Value of Derivatives Designated as Hedging Instrument [Member] | Currency Swap [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities	5	23
Fair Value of Derivatives Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities	2	0
Fair Value of Derivatives Not Designated as Hedging Instrument [Member] | Foreign Currency Contracts [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Assets	0	1
Total Fair Value, Derivative Liabilities	2	0
Fair Value of Derivatives Not Designated as Hedging Instrument [Member] | Currency Swap [Member]
Derivatives, Fair Value [Line Items]
Total Fair Value, Derivative Liabilities	$ 0	$ 0