INTANGIBLE ASSETS (Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 96	$ 88
Finite-Lived Intangible Assets, Accumulated Amortization	(74)	(73)
Finite-Lived Intangible Assets, Net	22	15
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	63	55
Finite-Lived Intangible Assets, Accumulated Amortization	(41)	(40)
Finite-Lived Intangible Assets, Net	$ 22	$ 15