REPOSITIONING AND OTHER CHARGES 4 (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) Employees	Dec. 31, 2018 USD ($) Employees	Dec. 31, 2017 USD ($) Employees	Dec. 31, 2016 USD ($)
Net Repositioning And Other Charges [Line Items]
Restructuring Reserve	$ 651,000,000	$ 566,000,000	$ 513,000,000	$ 331,000,000
Charges	438,000,000	530,000,000	507,000,000
Usage - cash	(249,000,000)	(285,000,000)	(177,000,000)
Usage - noncash	(100,000,000)	(163,000,000)	(142,000,000)
Divestitures	0	14,000,000
Adjustments	(5,000,000)	(10,000,000)	(23,000,000)
Foreign currency translation	(1,000,000)	5,000,000	(17,000,000)
Restructuring and Related Cost, Incurred Cost	433,000,000	520,000,000	491,000,000
Net repositioning and other charges Paragraph Details [Abstract]
Gross Repositioning Charge	$ 438,000,000	$ 530,000,000	$ 507,000,000
Number Of Employees Severed | Employees	5,336	6,486	7,096
Severance [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring Reserve	$ 555,000,000	$ 489,000,000	$ 442,000,000	298,000,000
Charges	260,000,000	289,000,000	305,000,000
Usage - cash	(186,000,000)	(218,000,000)	(163,000,000)
Usage - noncash	0	0	0
Divestitures	0	11,000,000
Adjustments	(8,000,000)	(8,000,000)	(13,000,000)
Foreign currency translation	0	5,000,000	(15,000,000)
Restructuring and Related Cost, Incurred Cost	260,000,000	289,000,000	305,000,000
Asset Impairments [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring Reserve	0	0	0	0
Charges	95,000,000	162,000,000	142,000,000
Usage - cash	0	0	0
Usage - noncash	(100,000,000)	(163,000,000)	(142,000,000)
Divestitures	0	0
Adjustments	5,000,000	1,000,000	0
Foreign currency translation	0	0	0
Restructuring and Related Cost, Incurred Cost	95,000,000	162,000,000	142,000,000
Exit costs [Member]
Net Repositioning And Other Charges [Line Items]
Restructuring Reserve	96,000,000	77,000,000	71,000,000	$ 33,000,000
Charges	83,000,000	79,000,000	60,000,000
Usage - cash	(63,000,000)	(67,000,000)	(14,000,000)
Usage - noncash	0	0	0
Divestitures	0	3,000,000
Adjustments	(2,000,000)	(3,000,000)	(10,000,000)
Foreign currency translation	(1,000,000)	0	(2,000,000)
Restructuring and Related Cost, Incurred Cost	$ 83,000,000	$ 79,000,000	$ 60,000,000