RESTRUCTURING (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jan. 01, 2018 USD ($)	Jan. 01, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated			300	1,000
Restructuring Charges	$ 37	$ 15	$ 57	$ 179
Restructuring Costs and Asset Impairment Charges	70	241	124	477
Asset impairments			64
Liability at January 1	115	198	115	198	$ 186	$ 114
Charges			61	198
Change in estimates			(4)	(19)
Foreign currency translation			1	10
Spending			(129)	(105)
Liability at June 30	115	198	115	198	$ 186	$ 114
Cost of Products Sold
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	14	130	27	130
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	0		1
Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	19	96	39	168
Other Operating Income (Expense) [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs and Asset Impairment Charges	37	15	57	179
Operating model evolution [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	922		922
Employee termination costs	26		35
Other Restructuring Costs	11		22
Restructuring Charges	37		57
Restructuring Costs and Asset Impairment Charges	70		124	452
Accelerated depreciation	31		52
Asset impairments	0		10
Other shutdown costs	2		5
Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Employee termination costs		11		172
Other Restructuring Costs		4		7
Restructuring Charges		15		179
Restructuring Costs and Asset Impairment Charges		241		477
Accelerated depreciation		82		152
Asset impairments		141		143
Other shutdown costs		$ 3		$ 3
Minimum [Member] | Operating model evolution [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	1,500		$ 1,500
Cash outlays percentage			40.00%
Maximum [Member] | Operating model evolution [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 2,000		$ 2,000
Cash outlays percentage			50.00%