RESTRUCTURING ACTIVITIES (Activities of Restructuring Liabilities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Beginning balance	$ 29	$ 36
Restructuring charges	39	43
Cash payments	(46)	(50)
Other / adjustments	(3)
Ending balance	19	29
Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	18	31
Restructuring charges	38	31
Cash payments	(40)	(44)
Other / adjustments	0
Ending balance	16	18
Facility-Related Costs [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	11	5
Restructuring charges	1	12
Cash payments	(6)	(6)
Other / adjustments	(3)
Ending balance	$ 3	$ 11