RESTRUCTURING (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges incurred to date	$ 800
Workforce reduction of manufacturing, selling, administrative, and research and development personnel	1,900	1,100	1,200
Employee termination costs	$ 267	$ 97	$ 110
Other termination costs	26	12	8
Provision for restructuring	293	109	118
Accelerated depreciation	289	72	104
Asset impairments	241	13	1
Other shutdown costs	3	19	10
Total charges	826	213	233
Restructuring Reserve [Roll Forward]
Liability at January 1	114	125	156
Charges	319	116	133
Change in estimates	(26)	(7)	(15)
Foreign currency translation	18		(15)
Spending	(239)	(120)	(134)
Liability at December 31	186	114	125
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring and related charges	$ 1,500
Cash outlays percentage	40.00%
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring and related charges	$ 2,000
Cash outlays percentage	50.00%
Cost of products sold [Member]
Restructuring Cost and Reserve [Line Items]
Total charges	$ 149	21	84
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Total charges	1
Research and development [Member]
Restructuring Cost and Reserve [Line Items]
Total charges	383	83	31
Other (income)/expense [Member]
Restructuring Cost and Reserve [Line Items]
Total charges	$ 293	$ 109	$ 118