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RELATED PARTY TRANSACTIONS - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]      
Revenue from related parties $ 14 $ 22 $ 25
Board of Directors Chairman      
Related Party Transaction [Line Items]      
Payments to service providers with common board members $ 2 $ 1 $ 10