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INCOME TAXES - Unrecognized Tax Benefits Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]        
Amount of unrecognized tax benefit which would impact effective tax rate if recognized   $ 700 $ 600 $ 400
Income Tax Examination        
Potential range of amounts that could impact effective tax rate   $ 217 $ 151 $ 46
Minimum | Forecast        
Income Tax Examination        
Potential range of amounts that could impact effective tax rate $ 0      
Maximum | Forecast        
Income Tax Examination        
Potential range of amounts that could impact effective tax rate $ 150