INCOME TAXES - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)
Income Tax Disclosure [Abstract]
State net operating loss carryforwards	$ 33	$ 33
Federal net operating loss carryforwards	66	66
Tax credit carryforwards	8	8
Foreign net operating loss carryforwards	67	67
Provisional income tax expense related to transition tax associated with deemed repatriation of foreign earnings		2
Provisional income tax benefit related to re-measurement of deferred tax assets and liabilities	$ 4	$ 87