GOODWILL AND OTHER INTANGIBLE ASSETS (Other Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 10,626	$ 10,660
Other Intangible Assets, Accumulated Amortization	(5,762)	(5,161)
Finite-Lived Intangible Assets, Net	4,864	5,499
Intangible Assets, Gross (Excluding Goodwill)	10,675	10,710
Other Intangible Assets, Net	4,913	5,549
In-process research and development (IPR&D)
Other Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)	49	50
Indefinite-Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization	0	0
Developed technology
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	3,255	3,263
Other Intangible Assets, Accumulated Amortization	(1,934)	(1,690)
Finite-Lived Intangible Assets, Net	1,321	1,573
Software
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,529	1,420
Other Intangible Assets, Accumulated Amortization	(876)	(780)
Finite-Lived Intangible Assets, Net	653	640
Trademarks/tradenames
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	688	697
Other Intangible Assets, Accumulated Amortization	(631)	(570)
Finite-Lived Intangible Assets, Net	57	127
Customer-related
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	4,911	5,035
Other Intangible Assets, Accumulated Amortization	(2,151)	(1,965)
Finite-Lived Intangible Assets, Net	2,760	3,070
Other
Other Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	243	245
Other Intangible Assets, Accumulated Amortization	(170)	(156)
Finite-Lived Intangible Assets, Net	$ 73	$ 89