GOODWILL AND OTHER INTANGIBLE ASSETS - Other Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2013	Dec. 31, 2014
GOODWILL AND OTHER INTANGIBLE ASSETS
Impairment of other indefinite-lived assets	$ 0	$ 0
Other indefinite-lived intangible assets	137		$ 130
Increase in other indefinite-lived intangible assets	$ 7