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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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Amortization of financing costs and debt discounts			$ 31	$ 11
Convertible Senior Notes due 2048 | Recourse Debt
Debt Instrument [Line Items]
Contractual interest expense	$ 4	$ 4	8	8
Amortization of financing costs and debt discounts	0	1	1	1
Total	$ 4	$ 5	$ 9	$ 9
Effective Interest Rate	0.75%	0.76%	1.52%	1.52%

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