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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Income Tax Rate [Line Items]        
Effective tax rate 17.30% 8.80% 13.90% 9.60%
2011 Notice [Member]        
Income Tax Rate [Line Items]        
IRS Statutory Notice of Deficiency proposed assessment of additional federal taxes $ 75   $ 75  
Penalties associated with IRS Statutory Notice of Deficiency proposed assessment 52   52  
Sale of a Business 7.31.2017 [Member]        
Income Tax Rate [Line Items]        
Income Tax Expense (Benefit) $ 234   $ 234  
Effective Tax Rate, Excluding Gain on Sale 9.50%   8.80%