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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		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Amortization of deferred finance costs			$ 21	$ 31
Convertible Senior Notes, due 2048
Debt Instrument [Line Items]
Contractual interest expense	$ 2	$ 4	6	8
Amortization of deferred finance costs	1	0	1	1
Total	$ 3	$ 4	$ 7	$ 9
Effective Interest Rate	0.76%	0.75%	1.54%	1.52%

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