GOODWILL AND INTANGIBLE ASSETS (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment of intangible assets	$ 7	$ 16
Amortization of intangible assets	$ 72	$ 81	$ 94