INCOME TAXES - Balance Sheet Classification of Deferred Income Tax Assets (Liabilities) Related to Continuing Operations (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Net noncurrent deferred tax asset	$ 268	$ 293
Net noncurrent deferred tax liability	0	0
Net deferred tax asset (liability)	$ 268	$ 293