GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Other Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 7,718	$ 7,642
Finite-Lived Intangible Assets, Accumulated Amortization	(4,276)	(3,886)
Finite-Lived Intangible Assets, Net	3,442	3,756
Indefinite Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization		0
Intangible Assets, Gross (Excluding Goodwill)	7,718	7,645
Other intangible assets	3,442	3,759
Developed technology
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	2,637	2,634
Finite-Lived Intangible Assets, Accumulated Amortization	(1,624)	(1,467)
Finite-Lived Intangible Assets, Net	1,013	1,167
Software
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,482	1,449
Finite-Lived Intangible Assets, Accumulated Amortization	(966)	(893)
Finite-Lived Intangible Assets, Net	516	556
Trademarks/tradenames
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	352	352
Finite-Lived Intangible Assets, Accumulated Amortization	(343)	(342)
Finite-Lived Intangible Assets, Net	9	10
Customer-related
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	3,247	3,207
Finite-Lived Intangible Assets, Accumulated Amortization	(1,343)	(1,184)
Finite-Lived Intangible Assets, Net	1,904	2,023
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)	0	$ 3
Indefinite Lived Intangible Assets (Excluding Goodwill), Accumulated Amortization	$ 0