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INCOME TAXES Income Taxes - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Unrecognized Tax Benefits $ 12    
Unrecognized tax benfits for state filing positions, net of federal tax 9    
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount $ 0 $ 0 $ (249)