INTANGIBLE ASSETS (Schedule of Amortization Expense of Intangible Assets) (Table and Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 106	$ 103
Finite-Lived Intangible Assets, Accumulated Amortization	(80)	(78)
Finite-Lived Intangible Assets, Net	26	25
Licenses and intellectual property [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	73	70
Finite-Lived Intangible Assets, Accumulated Amortization	(47)	(45)
Finite-Lived Intangible Assets, Net	$ 26	$ 25