GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 20,578		$ 20,578		$ 22,488
Gross other intangible assets	68,009		68,009		68,106
Less: accumulated amortization	(8,838)		(8,838)		(4,137)
Other intangible assets	59,171		59,171		63,969
Acquired Developed Product Rights Reclassified From IPRD			11,100
Amortization expense	2,500	$ 51	4,800	$ 104
Licenses [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	461		461		482
Acquired developed product rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	57,852		57,852		46,827
Capitalized software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	1,296		1,296		1,297
In Process Research and Development [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
In-process research and development	$ 8,400		$ 8,400		$ 19,500
Minimum [Member] | Licenses [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			5 years
Minimum [Member] | Acquired developed product rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			3 years
Minimum [Member] | Capitalized software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			3 years
Maximum [Member] | Licenses [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years
Maximum [Member] | Acquired developed product rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years
Maximum [Member] | Capitalized software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years