v3.10.0.1
INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Income Tax Disclosure [Abstract]          
Income tax (expense) benefit $ (85)   $ (29) $ (106) $ (2)
Income tax benefit for favorable resolution of income tax matters $ 15       32
Discrete tax benefits         $ 17
Tax Act - provisional income tax expense   $ 60