GOODWILL AND OTHER INTANGIBLE ASSETS (Other Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 10,660	$ 10,260
Other Intangible Assets, Accumulated Amortization	(5,161)	(4,295)
Finite-Lived Intangible Assets, Net	5,499	5,965
Intangible Assets, Gross (Excluding Goodwill)	10,710	10,321
Other Intangible Assets, Net	5,549	6,026
In-process research and development (IPR&D)
Other Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	50	61
Indefinite-Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization	0	0
Developed technology
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	3,263	3,254
Other Intangible Assets, Accumulated Amortization	(1,690)	(1,383)
Finite-Lived Intangible Assets, Net	1,573	1,871
Software
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,420	1,336
Other Intangible Assets, Accumulated Amortization	(780)	(696)
Finite-Lived Intangible Assets, Net	640	640
Trademarks/tradenames
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	697	696
Other Intangible Assets, Accumulated Amortization	(570)	(503)
Finite-Lived Intangible Assets, Net	127	193
Customer-related
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5,035	4,806
Other Intangible Assets, Accumulated Amortization	(1,965)	(1,567)
Finite-Lived Intangible Assets, Net	3,070	3,239
Other
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	245	168
Other Intangible Assets, Accumulated Amortization	(156)	(146)
Finite-Lived Intangible Assets, Net	$ 89	$ 22