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INCOME TAXES Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2017
Mar. 31, 2017
Schedule of Unrecognized Tax Benefits and Related Accrued Estimated Interest and Penalties [Line Items]    
Balance at December 31, 2016   $ (98)
Activity for three months ended March 31, 2017 $ (42) (2)
Balance at June 30, 2017 (142)  
Balance at December 31, 2016   (22)
Activity for three months ended March 31, 2017 1 $ 2
Balance at June 30, 2017 $ (19)