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PROVISION FOR INCOME TAXES Part 2 (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of beginning and ending amounts of unrecognized tax benefits [Roll Forward]        
Unrecognized Tax Benefits, Interest on Income Taxes Accrued $ 6 $ 4 $ 4 $ 4
Unrecognized Tax Benefits, Income Tax Penalties Accrued 1 1 1 $ 3
Unrecognized Tax Benefits, Interest on Income Taxes Expense 3 1 2  
Interest income, net of tax associated with expiration of statute of limitations 1 1 2  
Unrecognized Tax Benefits, Income Tax Penalties Expense 0 0 2  
United States [Member]        
Reconciliation of beginning and ending amounts of unrecognized tax benefits [Roll Forward]        
Beginning Balance 114 125 117  
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 29      
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions   (7) (12)  
Additions based on acquisitions 0 0 27  
Lapse of statute of limitations (1) (4) (7)  
Ending Balance 142 $ 114 $ 125  
Maximum [Member]        
Reconciliation of beginning and ending amounts of unrecognized tax benefits [Roll Forward]        
Unrecognized tax benefits that would impact effective tax rate, if recognized $ 20