GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 6,538	$ 6,863
Other intangible assets
Total other intangible assets, gross	4,055	4,337
Other intangible assets accumulated amortization	(2,964)	(3,127)
Other intangible assets	1,091	1,210
Amortization of intangible assets	198	190	$ 178
Future estimated amortization, 2019	230
Future estimated amortization, 2020	190
Future estimated amortization, 2021	160
Future estimated amortization, 2022	130
Future estimated amortization, 2023	100
Impairment of other intangible assets	84	80	$ 33
Asset Impairment Charges	64
In Process Research and Development [Member]
Other intangible assets
Indefinite-lived Intangible Assets (Excluding Goodwill)	32	32
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		75
Licenses [Member]
Other intangible assets
Finite-lived intangible assets, net	$ 510	567
Licenses [Member] | Maximum [Member]
Other intangible assets
Finite-Lived Intangible Asset, Useful Life	15 years
Licenses [Member] | Minimum [Member]
Other intangible assets
Finite-Lived Intangible Asset, Useful Life	5 years
Developed technology rights [Member]
Other intangible assets
Finite-lived intangible assets, net	$ 2,357	2,357
Developed technology rights [Member] | Maximum [Member]
Other intangible assets
Finite-Lived Intangible Asset, Useful Life	15 years
Developed technology rights [Member] | Minimum [Member]
Other intangible assets
Finite-Lived Intangible Asset, Useful Life	9 years
Capitalized Software [Member]
Other intangible assets
Finite-lived intangible assets, net	$ 1,156	$ 1,381
Capitalized Software [Member] | Maximum [Member]
Other intangible assets
Finite-Lived Intangible Asset, Useful Life	10 years
Capitalized Software [Member] | Minimum [Member]
Other intangible assets
Finite-Lived Intangible Asset, Useful Life	3 years
Goodwill [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior Period Reclassification Adjustment	180