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STOCK-BASED COMPENSATION - Unrecognized Compensation Expense (Details) - LTIP $ in Millions	Sep. 30, 2025 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation	$ 49
Restricted and deferred stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation	34
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized stock-based compensation	$ 15

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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