Long-Term Debt and Note Payable - Affiliate - Schedule of Long Term Debt (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Long-term debt
Long-term debt, gross	$ 2,203
Unamortized premiums, net	5	$ 6
Unamortized debt issuance costs	(53)	(53)
Total long-term debt	2,155	2,156
Note payable - affiliate	1,215	1,187
Long-term Debt and Lease Obligation, Including Current Maturities, Total	2,155	2,156
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
Weighted average interest rate	3.67%	2.11%
Term loan \| London Interbank Offered Rate (LIBOR)
Long-term debt
Basis spread on variable rate	2.00%
Finance lease and other obligations
Long-term debt
Long-term debt, gross	$ 2	$ 2
Note payable - affiliate \| Affiliated entity
Long-term debt
Note payable - affiliate	$ 1,215	$ 1,187
Weighted average interest rate	4.436%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount (premium).

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of long-term debt and lease obligation, classified as noncurrent.

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