Fair Value of Financial Instruments - Schedule of Estimated Fair Value of Financial Instruments, by Balance Sheet Grouping (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Assets:
Available-for-sale debt securities	$ 182	$ 179
Carrying Amount
Assets:
Cash and cash equivalents	38	118
Investments in equity securities	69	107
Available-for-sale debt securities	182	179
Trading securities	5	5
Carrying Amount | Senior Notes | Senior Notes at 6.875% Due 2028
Liabilities:
Notes payable, fair value disclosure	750	749
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 8%, Due 2026
Liabilities:
Notes payable, fair value disclosure	1,109	2,083
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 8% Due 2027
Liabilities:
Notes payable, fair value disclosure	695	693
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 5.625% due 2027
Liabilities:
Notes payable, fair value disclosure	1,847	1,833
Carrying Amount | Senior Secured Notes | Senior Notes at 6% Due 2029
Liabilities:
Notes payable, fair value disclosure	622	865
Carrying Amount | Senior Secured Notes | Senior Secured Notes 5.250%, Due 2030
Liabilities:
Notes payable, fair value disclosure	1,458	1,448
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 4.75%, Due 2031
Liabilities:
Notes payable, fair value disclosure	1,054	1,053
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 10.875% Due 2032
Liabilities:
Notes payable, fair value disclosure	982
Carrying Amount | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029
Liabilities:
Notes payable, fair value disclosure	1,162	1,282
Carrying Amount | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030
Liabilities:
Notes payable, fair value disclosure	1,167	1,164
Carrying Amount | ABL Facility and Other Debt
Liabilities:
Notes payable, fair value disclosure	275	85
Estimated Fair Value
Assets:
Cash and cash equivalents	38	118
Investments in equity securities	69	107
Available-for-sale debt securities	182	179
Trading securities	5	5
Estimated Fair Value | Senior Notes | Senior Notes at 6.875% Due 2028
Liabilities:
Notes payable, fair value disclosure	470	389
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 8%, Due 2026
Liabilities:
Notes payable, fair value disclosure	1,114	1,917
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 8% Due 2027
Liabilities:
Notes payable, fair value disclosure	679	631
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 5.625% due 2027
Liabilities:
Notes payable, fair value disclosure	1,767	1,633
Estimated Fair Value | Senior Secured Notes | Senior Notes at 6% Due 2029
Liabilities:
Notes payable, fair value disclosure	580	751
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes 5.250%, Due 2030
Liabilities:
Notes payable, fair value disclosure	1,287	1,166
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 4.75%, Due 2031
Liabilities:
Notes payable, fair value disclosure	834	766
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 10.875% Due 2032
Liabilities:
Notes payable, fair value disclosure	1,047
Estimated Fair Value | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029
Liabilities:
Notes payable, fair value disclosure	812	720
Estimated Fair Value | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030
Liabilities:
Notes payable, fair value disclosure	781	615
Estimated Fair Value | ABL Facility and Other Debt
Liabilities:
Notes payable, fair value disclosure	$ 275	$ 85