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FINANCING ARRANGEMENTS - Gain on Extinguishment of Debt (Details) - USD ($)			1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	Apr. 08, 2025	May 10, 2022	Apr. 30, 2025	Jun. 30, 2025	Jun. 30, 2024	May 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Debt Instrument [Line Items]
Unamortized premiums, discounts and issuance costs				$ (291,000,000)			$ (291,000,000)
Gain (loss) on extinguishment of debt				$ 178,000,000	$ 12,000,000		178,000,000	$ 23,000,000
Repayments of long-term debt							10,135,000,000	$ 885,000,000
Unsecured Notes
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt						$ 23,000,000
Repurchased debt, aggregate principal amount						555,000,000
Repayments of long-term debt						$ 530,000,000
Unsecured Notes \| Senior Unsecured Notes Due December 2025
Debt Instrument [Line Items]
Stated interest rate on debt (as a percent)						9.00%
Unsecured Notes \| Senior Unsecured Notes Due April 2026
Debt Instrument [Line Items]
Stated interest rate on debt (as a percent)						9.25%
Secured Notes
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt			$ 191,000,000				$ (25,000,000)
Secured Notes \| February 2027 Term Loan B Facility
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt		$ (9,000,000)
Secured Notes \| 9.00% Intermediate Holdco Senior Notes, Due January 2028
Debt Instrument [Line Items]
Stated interest rate on debt (as a percent)	9.00%
Gain (loss) on extinguishment of debt	$ 226,000,000
Secured Notes \| 9.00% Senior Unsecured Notes due 2025
Debt Instrument [Line Items]
Stated interest rate on debt (as a percent)				9.00%			9.00%
Gain (loss) on extinguishment of debt							$ (1,000,000)