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FINANCIAL INSTRUMENTS, DERIVATIVES AND HEDGING ACTIVITIES - Net of Tax Activity in Accumulated Other Comprehensive Income Related to Cash Flow Hedges (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Accumulated other comprehensive income (loss) balance at beginning of year $ (3,314)      
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 9,121 $ 8,726 $ 7,912 $ 7,866
Accumulated other comprehensive income (loss) balance at end of year (3,380) (3,314)    
Deferred, net after-tax gains on derivative instruments 2      
Continuing Operations        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Accumulated other comprehensive income (loss) balance at beginning of year (153) (41) (1)  
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest 0 0 (1)  
(Loss) gain in fair value of derivatives during the year 4 (117) (36)  
Amount reclassified to earnings during the year 23 5 (3)  
Accumulated other comprehensive income (loss) balance at end of year $ (126) $ (153) $ (41)