REPOSITIONING AND OTHER CHARGES 4 (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) Employees	Dec. 31, 2014 USD ($) Employees	Dec. 31, 2013 USD ($) Employees
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 163	$ 146	$ 201
Net repositioning and other charges Paragraph Details [Abstract]
Gross Repositioning Charge	$ 216	$ 184	$ 231
Number Of Employees Severed | Employees	6,405	2,975	3,081
Severance Costs [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 197	$ 156	$ 186
Tangible And Intangible Asset Impairments [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	13	12	23
Exit Costs [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	6	16	22
Reserve Adjustments [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ (53)	$ (38)	$ (30)