GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 22,488	$ 6,538
Other intangible assets
Total other intangible assets, gross	68,106	4,055
Other intangible assets accumulated amortization	(4,137)	(2,964)
Other intangible assets	63,969	1,091
Amortization of intangible assets	1,255	198	$ 190
Future estimated amortization, 2020	9,300
Future estimated amortization, 2021	9,300
Future estimated amortization, 2022	9,100
Future estimated amortization, 2023	8,400
Future estimated amortization, 2024	7,400
Impairment of other intangible assets	66	84	80
Asset Impairment Charges		64
In Process Research and Development [Member]
Other intangible assets
Indefinite-lived Intangible Assets (Excluding Goodwill)	19,500	32
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	32		$ 75
Licenses [Member]
Other intangible assets
Finite-lived intangible assets, net	$ 482	510
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	$ 46,827	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	3 years
Capitalized Software [Member]
Other intangible assets
Finite-lived intangible assets, net	$ 1,297	$ 1,156
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