CHARGES FOR RESTRUCTURING, CLOSURES AND ASSET IMPAIRMENTS - Items Included in Our Restructuring, Closure and Asset Impairment Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring and closure charges:
Termination benefits	$ 4	$ 27	$ 1
Pension and postretirement charges	0	3	0
Other restructuring and closure costs	6	12	4
Charges for restructuring and closures	10	42	5
Impairment of long-lived assets	15	2	372
Total charges for restructuring, closures and impairments	$ 25	$ 44	$ 377