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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Income Tax Contingency [Line Items]        
Effective tax rate 10.00% 11.00% 8.00% 10.00%
2011 Notice [Member]        
Income Tax Contingency [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