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INCOME TAXES Part 2 (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
United States [Member]        
Reconciliation of beginning and ending amounts of unrecognized tax benefits [Roll Forward]        
Beginning Balance $ 182 [1] $ 142 [1] $ 114  
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 22 44 29  
Lapse of statute of limitations (2) (4) (1)  
Ending Balance [1] 202 182 142  
Reconciliation of beginning and ending amounts of accrued interest related to unrecognized tax benefits [Roll Forward]        
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 13 10 6 $ 4
Unrecognized Tax Benefits, Interest on Income Taxes Expense 5 4 3  
Interest income, net of tax associated with expiration of statute of limitations $ (2) 0 $ (1)  
Maximum [Member]        
Reconciliation of beginning and ending amounts of accrued interest related to unrecognized tax benefits [Roll Forward]        
Unrecognized Tax Benefits that Would Impact Effective Tax Rate   $ 28    
[1]
All of the unrecognized tax benefits would, if recognized, impact the Company's effective tax rate.