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Long-term Debt and Finance Leases - Interest Expense in Connection with Convertible Senior Notes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Amortization of financing costs and debt discounts			$ 24	$ 32
Convertible Senior Notes, due 2048
Debt Instrument [Line Items]
Amortization of financing costs and debt discounts	$ 0	$ 0	0	1
Total	0	1	3	8
Convertible Senior Notes, due 2048 | Recourse Debt
Debt Instrument [Line Items]
Contractual interest expense	$ 0	$ 1	$ 3	$ 7
Effective interest rate	0.00%	0.76%	1.62%	2.31%

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