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FAIR VALUE MEASUREMENTS - Schedule of Long-Term Debt at Fair Value (Details) - Senior Notes - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
2026 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	5.00%
2028 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	8.375%
2030 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	8.625%
2031 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	8.75%
Senior Notes Due 2033, 9.625%
Financial assets and liabilities accounted for at fair value
Nominal Interest	9.625%
Fair Value, Inputs, Level 1 | 2026 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	5.00%
Fair Value	$ 399	$ 394
Percent of Par	100.00%	99.00%
Fair Value, Inputs, Level 1 | 2028 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	8.375%
Fair Value	$ 1,402	$ 1,405
Percent of Par	104.00%	104.00%
Fair Value, Inputs, Level 1 | 2030 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	8.625%
Fair Value	$ 1,036	$ 1,049
Percent of Par	104.00%	105.00%
Fair Value, Inputs, Level 1 | 2031 Senior Notes
Financial assets and liabilities accounted for at fair value
Nominal Interest	8.75%
Fair Value	$ 1,403	$ 1,408
Percent of Par	104.00%	104.00%
Fair Value, Inputs, Level 1 | Senior Notes Due 2033, 9.625%
Financial assets and liabilities accounted for at fair value
Fair Value	$ 805
Percent of Par	107.00%

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