Financial Instruments - Schedule of Effects of Derivatives Recognized (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total	$ 20	$ (50)
Interest rate swaps | Derivatives designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments designated as hedging instruments	(1)	(6)
Euro-denominated notes | Derivatives designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments designated as hedging instruments	17	(41)
Foreign exchange contracts | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments not designated as hedging instruments	5	(3)
Interest rate caps | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Financial instruments designated as hedging instruments	$ (1)	$ 0