Fair Value of Financial Instruments - Schedule of Estimated Fair Value of Financial Instruments, by Balance Sheet Grouping (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Carrying Amount
Assets:
Cash and cash equivalents	$ 48	$ 38
Investments in equity securities	65	69
Available-for-sale debt securities	178	182
Trading securities	5	5
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 8%, Due 2026
Liabilities:
Notes payable, fair value disclosure	1,110	1,109
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 8%, Due 2027
Liabilities:
Notes payable, fair value disclosure	695	695
Carrying Amount | Senior Secured Notes | Senior Notes at 6% Due 2029
Liabilities:
Notes payable, fair value disclosure	623	622
Carrying Amount | Senior Secured Notes | Senior Secured Notes 5.250%, Due 2030
Liabilities:
Notes payable, fair value disclosure	1,460	1,458
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 4.750% due 2031
Liabilities:
Notes payable, fair value disclosure	1,054	1,054
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 10.875%, Due 2032
Liabilities:
Notes payable, fair value disclosure	982	982
Carrying Amount | Senior Secured Notes | Senior Secured Notes at 5.625% due 2027
Liabilities:
Notes payable, fair value disclosure	1,851	1,847
Carrying Amount | Senior Notes | Senior Notes at 6.875% Due 2028
Liabilities:
Notes payable, fair value disclosure	750	750
Carrying Amount | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029
Liabilities:
Notes payable, fair value disclosure	1,165	1,162
Carrying Amount | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030
Liabilities:
Notes payable, fair value disclosure	1,169	1,167
Carrying Amount | ABL Facility and Other Debt
Liabilities:
Notes payable, fair value disclosure	341	275
Estimated Fair Value
Assets:
Cash and cash equivalents	48	38
Investments in equity securities	65	69
Available-for-sale debt securities	178	182
Trading securities	5	5
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 8%, Due 2026
Liabilities:
Notes payable, fair value disclosure	1,114	1,114
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 8%, Due 2027
Liabilities:
Notes payable, fair value disclosure	688	679
Estimated Fair Value | Senior Secured Notes | Senior Notes at 6% Due 2029
Liabilities:
Notes payable, fair value disclosure	562	580
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes 5.250%, Due 2030
Liabilities:
Notes payable, fair value disclosure	1,253	1,287
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 4.750% due 2031
Liabilities:
Notes payable, fair value disclosure	818	834
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 10.875%, Due 2032
Liabilities:
Notes payable, fair value disclosure	1,031	1,047
Estimated Fair Value | Senior Secured Notes | Senior Secured Notes at 5.625% due 2027
Liabilities:
Notes payable, fair value disclosure	1,751	1,767
Estimated Fair Value | Senior Notes | Senior Notes at 6.875% Due 2028
Liabilities:
Notes payable, fair value disclosure	534	470
Estimated Fair Value | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.875% Due 2029
Liabilities:
Notes payable, fair value disclosure	934	812
Estimated Fair Value | Junior-Priority Secured Notes | Junior-Priority Secured Notes at 6.125% Due 2030
Liabilities:
Notes payable, fair value disclosure	885	781
Estimated Fair Value | ABL Facility and Other Debt
Liabilities:
Notes payable, fair value disclosure	$ 341	$ 275