Fair Value of Financial Instruments - Schedule of Estimated Fair Value of Financial Instruments, by Balance Sheet Grouping (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Carrying Amount
Assets:
Cash and cash equivalents	$ 91	$ 118
Investments in equity securities	63	107
Available-for-sale debt securities	173	179
Trading securities	4	5
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 8%, Due 2026
Liabilities:
Notes payable, fair value disclosure	2,087	2,083
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 8%, Due 2027
Liabilities:
Notes payable, fair value disclosure	694	693
Carrying Amount | Senior Secured Notes | Senior Notes at 6% Due 2029
Liabilities:
Notes payable, fair value disclosure	868	865
Carrying Amount | Senior Secured Notes | Senior Secured Notes 5.25%, Due 2030
Liabilities:
Notes payable, fair value disclosure	1,455	1,448
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 4.750% due 2031
Liabilities:
Notes payable, fair value disclosure	1,054	1,053
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 5.625% due 2027
Liabilities:
Notes payable, fair value disclosure	1,843	1,833
Carrying Amount | Senior Notes | Senior Notes at 6.875% Due 2028
Liabilities:
Notes payable, fair value disclosure	750	749
Carrying Amount | Junior Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029
Liabilities:
Notes payable, fair value disclosure	1,291	1,282
Carrying Amount | Junior Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030
Liabilities:
Notes payable, fair value disclosure	1,169	1,164
Carrying Amount | ABL Facility and Other Debt
Liabilities:
Notes payable, fair value disclosure	259	85
Estimated Fair Value
Assets:
Cash and cash equivalents	91	118
Investments in equity securities	63	107
Available-for-sale debt securities	173	179
Trading securities	4	5
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 8%, Due 2026
Liabilities:
Notes payable, fair value disclosure	2,005	1,917
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 8%, Due 2027
Liabilities:
Notes payable, fair value disclosure	651	631
Estimated Fair Value | Senior Secured Notes | Senior Notes at 6% Due 2029
Liabilities:
Notes payable, fair value disclosure	729	751
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes 5.25%, Due 2030
Liabilities:
Notes payable, fair value disclosure	1,171	1,166
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 4.750% due 2031
Liabilities:
Notes payable, fair value disclosure	751	766
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 5.625% due 2027
Liabilities:
Notes payable, fair value disclosure	1,635	1,633
Estimated Fair Value | Senior Notes | Senior Notes at 6.875% Due 2028
Liabilities:
Notes payable, fair value disclosure	406	389
Estimated Fair Value | Junior Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029
Liabilities:
Notes payable, fair value disclosure	746	720
Estimated Fair Value | Junior Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030
Liabilities:
Notes payable, fair value disclosure	635	615
Estimated Fair Value | ABL Facility and Other Debt
Liabilities:
Notes payable, fair value disclosure	$ 259	$ 85