GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Other Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 7,630	$ 7,642
Finite-Lived Intangible Assets, Accumulated Amortization	3,994	3,886
Finite-Lived Intangible Assets, Net	3,636	3,756
Intangible Assets, Gross (Excluding Goodwill)	7,630	7,645
Other intangible assets	3,636	3,759
Developed technology
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,636	2,634
Finite-Lived Intangible Assets, Accumulated Amortization	1,518	1,467
Finite-Lived Intangible Assets, Net	1,118	1,167
Software
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,458	1,449
Finite-Lived Intangible Assets, Accumulated Amortization	915	893
Finite-Lived Intangible Assets, Net	543	556
Trademarks/tradenames
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	352	352
Finite-Lived Intangible Assets, Accumulated Amortization	342	342
Finite-Lived Intangible Assets, Net	10	10
Customer-related
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	3,184	3,207
Finite-Lived Intangible Assets, Accumulated Amortization	1,219	1,184
Finite-Lived Intangible Assets, Net	1,965	2,023
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)	$ 0	$ 3