Financial Instruments - Schedule Of Effect Of Derivatives Recognized (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification of cash flow hedges to earnings, net of tax of $7, $5, and $(2), respectively	$ 2	$ (42)	$ 143
Interest rate swaps | Derivatives designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification of cash flow hedges to earnings, net of tax of $7, $5, and $(2), respectively	(6)	(8)	64
Euro-denominated notes | Derivatives designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification of cash flow hedges to earnings, net of tax of $7, $5, and $(2), respectively	55	(21)	44
Foreign exchange contract | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification of cash flow hedges to earnings, net of tax of $7, $5, and $(2), respectively	(47)	(12)	36
Foreign exchange contract | Interest Expense | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative gain (loss) recognized in OCI	(47)	(14)	39
Foreign exchange contract | Operating Expense | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative gain (loss) recognized in OCI		2	(3)
Interest rate caps | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Reclassification of cash flow hedges to earnings, net of tax of $7, $5, and $(2), respectively	$ 0	$ (1)	$ (1)