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STOCK-BASED COMPENSATION - Schedule of Expenses (Details) - LTIP - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 11	$ 13	$ 37	$ 36
Restricted and deferred stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	7	8	23	21
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 4	$ 5	$ 14	$ 15

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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