EQUITY-BASED COMPENSATION - Information Related to Equity Awards other than Options (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
RSUs and RSAs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax expense for equity awards	$ 61	$ 58	$ 57
After-tax expense for equity awards	48	46	45
Fair value of vested equity awards	92	75	103
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax expense for equity awards	26	25	21
After-tax expense for equity awards	$ 21	$ 20	$ 17

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

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