GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Other Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite other intangible assets, gross carrying amount	$ 10,592	$ 10,260
Finite other intangible assets, accumulated amortization	(4,901)	(4,295)
Finite other intangible assets, net	5,691	5,965
Other intangible assets, gross carrying amount	10,653	10,321
Other intangible assets, net	5,752	6,026
In process research and development [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite other intangible asset, carrying amount	61	61
Developed technology
Finite-Lived Intangible Assets [Line Items]
Finite other intangible assets, gross carrying amount	3,259	3,254
Finite other intangible assets, accumulated amortization	(1,594)	(1,383)
Finite other intangible assets, net	1,665	1,871
Software
Finite-Lived Intangible Assets [Line Items]
Finite other intangible assets, gross carrying amount	1,398	1,336
Finite other intangible assets, accumulated amortization	(759)	(696)
Finite other intangible assets, net	639	640
Trademarks/tradenames
Finite-Lived Intangible Assets [Line Items]
Finite other intangible assets, gross carrying amount	697	696
Finite other intangible assets, accumulated amortization	(552)	(503)
Finite other intangible assets, net	145	193
Customer-related
Finite-Lived Intangible Assets [Line Items]
Finite other intangible assets, gross carrying amount	4,995	4,806
Finite other intangible assets, accumulated amortization	(1,844)	(1,567)
Finite other intangible assets, net	3,151	3,239
Other
Finite-Lived Intangible Assets [Line Items]
Finite other intangible assets, gross carrying amount	243	168
Finite other intangible assets, accumulated amortization	(152)	(146)
Finite other intangible assets, net	$ 91	$ 22