Derivatives and Hedging - Earnout Shares (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Derivatives designated as hedging instruments | Interest rate swaps | Other non-current assets
Derivatives and Hedging
Gross fair value of derivatives assets	$ 0	$ 27
Derivatives designated as hedging instruments | Interest rate swaps | Other non-current liabilities
Derivatives and Hedging
Gross fair value of derivatives assets	(25)	0
Derivatives designated as hedging instruments | Cross currency interest rate swaps | Other non-current liabilities
Derivatives and Hedging
Gross fair value of derivatives assets	(31)	0
Derivatives not designated as hedging instruments | Earnout shares | Earnout derivative liabilities
Derivatives and Hedging
Gross fair value of derivatives liabilities	$ (53)	$ (133)