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INCOME TAXES (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Current income tax expense:      
U.S. Federal $ 119 $ 199 $ 166
U.S. State 28 44 32
Foreign 65 58 47
Total current 212 301 245
Deferred income tax expense (20) 13 13
Income tax expense 192 314 $ 258
Undistributed earnings of foreign subsidiaries 429    
Liability for tax uncertainties $ 4 $ 8