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FINANCIAL INSTRUMENTS - Summary of Activity in Accumulated Other Comprehensive Income Related to Derivatives (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Before-Tax Amount    
Accumulated derivative net losses, beginning of period $ (3) $ (5)
Impact of demerger 19  
Net changes in fair value of derivatives (113) (6)
Net losses reclassified from accumulated other comprehensive income into income 18 (14)
Accumulated derivative net losses, end of period (79) (25)
Income Tax    
Accumulated derivative net losses, beginning of period (14) (1)
Impact of demerger 0  
Net changes in fair value of derivatives 2 (1)
Reclassification from AOCI, Current Period, Tax (2) 1
Accumulated derivative net losses, end of period (14) (1)
After-Tax Amount    
Accumulated derivative net losses, beginning of period (17) (6)
Impact of demerger 19  
Net changes in fair value of derivatives (111) (7)
Net losses reclassified from accumulated other comprehensive income into income 16 (13)
Accumulated derivative net losses, end of period $ (93) $ (26)