REPOSITIONING AND OTHER CHARGES 4 (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($) Employees	Mar. 31, 2017 USD ($) Employees
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 85	$ 29
Net repositioning and other charges Paragraph Details [Abstract]
Gross Repositioning Charge	$ 86	$ 23
Number of employees severed | Employees	1,153	622
Severance Costs [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 31	$ 20
Tangible And Intangible Asset Impairment [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	47	2
Exit Costs [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	8	1
Restructuring Reserve Accrual Adjustments [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ (1)	$ 6