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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 |  |  |  |  |

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