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INCOME TAXES - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Effective income tax rate reconciliation, separation impact   $ 89  
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset      
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of the year $ 231 128 $ 107
Additions charged to income tax expense 32 112 41
Reduction credited to income tax expense (22) (13) (16)
Other adjustments (41) 4 (4)
Reclassified to held for sale (110)    
Balance at end of the year $ 90 $ 231 $ 128