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SHARE-BASED COMPENSATION AWARDS (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense before tax $ 13 $ 7 $ 27 $ 20
Share-based compensation net of deferred tax expense $ 8 $ 4 $ 17 $ 12