Long-Term Debt and Note Payable - Affiliate - Schedule of Long-Term Debt (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 23, 2020	Dec. 31, 2023	Dec. 31, 2022
Long-term debt
Long-term debt, gross		$ 2,205
Unamortized premiums, net		4	$ 5
Unamortized debt issuance costs		(52)	(52)
Total long-term debt		2,157	2,157
Less current maturities		(1)	(2)
Long-term debt, excluding current maturities		2,156	2,155
Affiliated entity
Long-term debt
Note payable - affiliate		0
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		7.97%	6.64%
Term loan | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Long-term debt
Basis spread on variable rate		2.50%
Term loan | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Long-term debt
Basis spread on variable rate	1.50%
Term loan | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Long-term debt
Basis spread on variable rate	2.50%
Finance lease and other
Long-term debt
Long-term debt, gross		$ 4	$ 3
Note payable - affiliate | Affiliated entity
Long-term debt
Weighted average interest rate, revolving promissory note		6.21%