Financial Instruments - Schedule Of Effect Of Derivatives Recognized (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total	$ (115)	$ 2	$ (42)
Interest rate swaps | Derivatives designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments designated as hedging instruments	(17)	(6)	(8)
Euro-denominated notes | Derivatives designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments designated as hedging instruments	(124)	55	(21)
Foreign exchange contract | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments not designated as hedging instruments	26	(47)	(12)
Foreign exchange contract | Interest Expense | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments designated as hedging instruments	28	(47)	(14)
Foreign exchange contract | Operating Expense | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments designated as hedging instruments	(2)		2
Interest rate caps | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments not designated as hedging instruments	$ 0	$ 0	$ (1)