REPOSITIONING AND OTHER CHARGES 4 (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Employees	Jun. 30, 2017 USD ($) Employees	Jun. 30, 2018 USD ($) Employees	Jun. 30, 2017 USD ($) Employees
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 61,000,000	$ 117,000,000	$ 146,000,000	$ 146,000,000
Net repositioning and other charges Paragraph Details [Abstract]
Gross Repositioning Charge	$ 63,000,000	$ 123,000,000	$ 149,000,000	$ 146,000,000
Number of employees severed | Employees	731	1,902	1,884	2,524
Severance Costs [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 30,000,000	$ 82,000,000	$ 61,000,000	$ 102,000,000
Tangible And Intangible Asset Impairment [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	1,000,000	33,000,000	48,000,000	35,000,000
Exit Costs [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	32,000,000	8,000,000	40,000,000	9,000,000
Restructuring Reserve Accrual Adjustments [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring and Related Cost, Incurred Cost	$ (2,000,000)	$ (6,000,000)	$ (3,000,000)	$ 0