INTANGIBLE ASSETS (Schedule of Amortization Expense of Intangible Assets) (Table and Narrative) (Details) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 91	$ 88
Finite-Lived Intangible Assets, Accumulated Amortization	(73)	(73)
Finite-Lived Intangible Assets, Net	18	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	58	55
Finite-Lived Intangible Assets, Accumulated Amortization	(40)	(40)
Finite-Lived Intangible Assets, Net	$ 18	$ 15