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Senior Notes (Details) - USD ($) $ in Millions	Mar. 31, 2026	Mar. 09, 2026	Mar. 04, 2026	Apr. 03, 2026	Mar. 19, 2026	Dec. 31, 2025
Senior Notes [Line Items]
Senior Notes, Principal Amount, Net	$ 7,976					$ 2,714
6.75% Senior Unsecured Notes due 2026
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	6.75%					6.75%
Senior Notes, Principal amount	$ 419					$ 419
Senior Notes, unamortized deferred financing costs	0					0
Senior Notes, Principal Amount, Net	$ 419					419
Debt Instrument, Maturity Date	Sep. 15, 2026
Debt Instrument, Unamortized Premium	$ 0
5.000% Senior Unsecured Notes Due 2026
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	5.00%
Senior Notes, Principal amount	$ 400					$ 0
Senior Notes, unamortized deferred financing costs	0
Senior Notes, Principal Amount, Net	$ 400
Debt Instrument, Maturity Date	Oct. 15, 2026
Debt Instrument, Unamortized Premium	$ 0
6.625% Senior Unsecured Notes due 2027
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	6.625%					6.625%
Senior Notes, Principal amount	$ 417					$ 417
Senior Notes, unamortized deferred financing costs	(1)					(1)
Senior Notes, Principal Amount, Net	$ 416					416
Debt Instrument, Maturity Date	Jan. 15, 2027
Debt Instrument, Unamortized Premium	$ 0
8.375% Senior Unsecured Notes Due 2028
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	8.375%
Senior Notes, Principal amount	$ 566		$ 1,350			$ 0
Senior Notes, unamortized deferred financing costs	0
Senior Notes, Principal Amount, Net	$ 584
Debt Instrument, Maturity Date	Jul. 01, 2028
Senior Notes, repurchased principal amount					$ 784
Debt Instrument, Unamortized Premium	$ 18
Debt Instrument, Redemption Price, Percentage			103.175%
8.375% Senior Unsecured Notes Due 2028 \| Subsequent Event
Senior Notes [Line Items]
Senior Notes, repurchased principal amount				$ 110
6.5% Senior Unsecured Notes Due 2028
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	6.50%					6.50%
Senior Notes, Principal amount	$ 400					$ 400
Senior Notes, unamortized deferred financing costs	(2)					(3)
Senior Notes, Principal Amount, Net	$ 398					$ 397
Debt Instrument, Maturity Date	Jul. 15, 2028
Debt Instrument, Unamortized Premium	$ 0
6.750% Senior Notes Due 2029
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	6.75%					6.75%
Senior Notes, Principal amount	$ 750					$ 750
Senior Notes, unamortized deferred financing costs	(8)					(8)
Senior Notes, Principal Amount, Net	$ 742					742
Debt Instrument, Maturity Date	Aug. 01, 2029
Debt Instrument, Unamortized Premium	$ 0
8.625% Senior Unsecured Notes Due 2026
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	8.625%
Senior Notes, Principal amount	$ 1,000					0
Senior Notes, unamortized deferred financing costs	0
Senior Notes, Principal Amount, Net	$ 1,056
Debt Instrument, Maturity Date	Nov. 01, 2030
Debt Instrument, Unamortized Premium	$ 56
8.750% Senior Unsecured Notes Due 2031
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	8.75%
Senior Notes, Principal amount	$ 1,350					$ 0
Senior Notes, unamortized deferred financing costs	0
Senior Notes, Principal Amount, Net	$ 1,416
Debt Instrument, Maturity Date	Jul. 01, 2031
Debt Instrument, Unamortized Premium	$ 66
7.000% Senior Notes Due 2032
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	7.00%					7.00%
Senior Notes, Principal amount	$ 750					$ 750
Senior Notes, unamortized deferred financing costs	(9)					(10)
Senior Notes, Principal Amount, Net	$ 741					740
Debt Instrument, Maturity Date	Aug. 01, 2032
Debt Instrument, Unamortized Premium	$ 0
9.625% Senior Unsecured Notes Due 2033
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	9.625%
Senior Notes, Principal amount	$ 750					0
Senior Notes, unamortized deferred financing costs	0
Senior Notes, Principal Amount, Net	$ 819
Debt Instrument, Maturity Date	Jun. 15, 2033
Debt Instrument, Unamortized Premium	$ 69
6.625% Senior Unsecured Notes Due 2034
Senior Notes [Line Items]
Senior Notes, interest rate, stated percentage	6.625%	6.625%
Senior Notes, Principal amount	$ 1,000	$ 1,000				0
Senior Notes, unamortized deferred financing costs	(15)
Senior Notes, Principal Amount, Net	$ 985
Debt Instrument, Issuance Date		Mar. 09, 2026
Debt Instrument, Maturity Date	Apr. 15, 2034	Apr. 15, 2034
Proceeds from Debt, Net of Issuance Costs		$ 985
Debt Instrument, Unamortized Premium	$ 0
Senior Notes
Senior Notes [Line Items]
Senior Notes, Principal amount	7,802					2,736
Senior Notes, unamortized deferred financing costs	(35)					$ (22)
Debt Instrument, Unamortized Premium	$ 209