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Long-term Debt and Finance Leases - Interest Expense in Connection with Convertible Senior Notes, due 2048 (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Amortization of deferred finance costs			$ 42	$ 17
Convertible Senior Notes, due 2048 | Recourse Debt
Debt Instrument [Line Items]
Contractual interest expense	$ 4	$ 4	12	12
Amortization of deferred finance costs	0	0	1	1
Total	$ 4	$ 4	$ 13	$ 13
Effective Interest Rate	0.76%	0.76%	2.28%	2.28%

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