Derivatives - Derivative Instruments and their Impact on Financial Condition (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Derivative [Line Items]
Total derivative assets	$ 6	$ 12
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Assets	Assets
Derivatives Designated as Hedging Instruments | Interest Rate Swaps
Derivative [Line Items]
Total derivative assets	$ 6	$ 12
Derivatives Designated as Hedging Instruments | Interest Rate Swaps | Other current assets
Derivative [Line Items]
Interest rate swaps, assets	6	7
Derivatives Designated as Hedging Instruments | Interest Rate Swaps | Other non-current assets
Derivative [Line Items]
Interest rate swaps, assets	$ 0	$ 5