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Long-term Debt and Finance Leases - Bilateral Letter of Credit Facilities (Details) - Bilateral Letter of Credit Facilities - USD ($) $ in Millions	Oct. 17, 2023	May 30, 2023	May 19, 2023	Dec. 31, 2023
Secured Debt
Debt Instrument [Line Items]
Increase in existing borrowing commitments	$ 50	$ 100	$ 25
Letter of Credit
Debt Instrument [Line Items]
Revolving credit facility				$ 850
Letter of credit				$ 671

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