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Long-term Debt and Finance Leases - Capped Calls (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term debt		$ 10,892	$ 10,940
Recourse Debt
Debt Instrument [Line Items]
Long-term debt		10,892	8,220
Convertible Senior Notes, due 2048 | Recourse Debt
Debt Instrument [Line Items]
Capped call, convertible debt, conversion, premium	$ 257
Long-term debt	232	$ 232	$ 575
Capped call transaction cost	$ 257

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