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DEBT - Amendment No. 19 Loan Modification Agreement and Refinancing Facility Agreement (Details) - USD ($) $ in Millions				12 Months Ended
	Dec. 31, 2025	Sep. 17, 2025	Sep. 16, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Debt instrument, face amount				$ 29,236
REFINANCING COSTS				$ 11	$ 58	$ 56
Tranche K | Term loans
Debt Instrument [Line Items]
Debt instrument, face amount		$ 1,686
Debt Instrument, Basis Spread on Variable Rate		2.25%	2.75%	2.25%
REFINANCING COSTS				$ 3
Tranche K | Term loans | Forecast
Debt Instrument [Line Items]
Debt instrument, quarterly principal payment	$ 9
Tranche I | Term loans
Debt Instrument [Line Items]
Debt instrument, face amount		$ 1,857
Debt Instrument, Basis Spread on Variable Rate				2.75%

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The aggregate expense charged against earnings for refinancing the entity's debt structure, comprising the premium paid to redeem senior subordinated notes, the write off of debt issue costs and unamortized note premium and discount, and costs for settlement of interest rate swap agreement and other expenses.

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