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Long-Term Debt and Note Payable - Affiliate - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Long-term debt
Long-term debt, gross	$ 2,204
Unamortized premiums, net	5	$ 6
Unamortized debt issuance costs	(52)	(53)
Total long-term debt	2,157	2,156
Less current maturities	(2)	0
Long-term debt, excluding current maturities	2,155	2,156
Note payable - affiliate	0	1,187
Senior notes
Long-term debt
Long-term debt, gross	$ 1,986	1,986
Senior notes | Minimum
Long-term debt
Stated interest rate	6.50%
Senior notes | Maximum
Long-term debt
Stated interest rate	7.75%
Term loan
Long-term debt
Long-term debt, gross	$ 215	$ 215
Interest rate on term loan	6.64%	2.11%
Term loan | London Interbank Offered Rate (LIBOR)
Long-term debt
Basis spread on variable rate	2.25%
Term loan | Minimum | London Interbank Offered Rate (LIBOR)
Long-term debt
Basis spread on variable rate	1.50%
Term loan | Maximum | London Interbank Offered Rate (LIBOR)
Long-term debt
Basis spread on variable rate	2.50%
Finance lease and other
Long-term debt
Long-term debt, gross	$ 3	$ 2
Note payable - affiliate | Affiliated entity
Long-term debt
Weighted average interest rate, revolving promissory note	5.424%
Note payable - affiliate	$ 0	$ 1,187

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Long-Term Debt And Lease Obligations, Excluding Current Maturities

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