Financial Instruments - Fair Value (Level 2) of Derivative Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value, Asset  Derivatives	$ 49	$ 74
Fair Value, Liability  Derivatives	22	78
Interest rate swaps | Derivatives designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value, Asset  Derivatives	41	50
Fair Value, Liability  Derivatives	0	0
Foreign exchange contract | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value, Asset  Derivatives	5	5
Fair Value, Liability  Derivatives	10	4
Interest rate caps | Derivatives not designated as hedging instruments
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value, Asset  Derivatives	3	19
Fair Value, Liability  Derivatives	$ 12	$ 74