INTANGIBLE ASSETS (Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 103	$ 96
Finite-Lived Intangible Assets, Accumulated Amortization	(78)	(74)
Finite-Lived Intangible Assets, Net	25	22
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	33	33
Finite-Lived Intangible Assets, Accumulated Amortization	(33)	(33)
Finite-Lived Intangible Assets, Net	0	0
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	70	63
Finite-Lived Intangible Assets, Accumulated Amortization	(45)	(41)
Finite-Lived Intangible Assets, Net	$ 25	$ 22