Derivative Financial Instruments - Derivative Instruments and their Balance Sheet Classifications (Detail) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Derivatives Fair Value [Line Items]
Asset Derivatives	$ 10	$ 5
Liability Derivatives	25	4
Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Asset Derivatives	7	3
Liability Derivatives	5	1
Not Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Asset Derivatives	3	2
Liability Derivatives	20	3
Foreign Exchange Contracts [Member] \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent \| Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Asset Derivatives	7	3
Foreign Exchange Contracts [Member] \| Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent \| Not Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Asset Derivatives	3	2
Foreign Exchange Contracts [Member] \| Accrued liabilities [Member] \| Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Liability Derivatives	5	1
Foreign Exchange Contracts [Member] \| Accrued liabilities [Member] \| Not Designated as Hedging Instruments [Member]
Derivatives Fair Value [Line Items]
Liability Derivatives	$ 20	$ 3