RESTRUCTURING RESTRUCTURING (Details) $ in Millions	3 Months Ended					9 Months Ended
	Sep. 30, 2016 USD ($) employees	Jun. 30, 2016 USD ($) employees	Dec. 31, 2015 USD ($) employees	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($) employees	Sep. 30, 2016 USD ($) employees	Sep. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0			$ 0	$ 18	$ 2	$ 18
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated | employees		5	8		16
Severance Costs		$ 1	$ 1		$ 2
Payments for Restructuring			(1)			(2)
Restructuring Reserve	$ 1		$ 2			$ 1
Entity Number of Employees | employees	3		15			3
Cost Associated with Exit and Disposal Activities [Member]
Restructuring Cost and Reserve [Line Items]
Costs Associated with Exit and Disposal Activities		$ 1			2
Impairment of Long-Lived Assets and Other Assets [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Long-Lived Assets and Other Assets					$ 14