GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule Of Intangible Assets By Major Class (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Other intangible assets
Goodwill	$ 20,502
Gross other intangible assets	66,010	$ 66,859
Less accumulated amortization	(23,483)	(13,616)
Other intangible assets	42,527	53,243
IPRD
Other intangible assets
IPRD	3,750	6,130
Licenses
Other intangible assets
Finite-lived intangible assets, net	$ 307	328
Licenses | Minimum
Other intangible assets
Finite-lived intangible asset, useful life	5 years
Licenses | Maximum
Other intangible assets
Finite-lived intangible asset, useful life	15 years
Acquired marketed product rights
Other intangible assets
Finite-lived intangible assets, net	$ 60,454	59,076
Acquired marketed product rights | Minimum
Other intangible assets
Finite-lived intangible asset, useful life	3 years
Acquired marketed product rights | Maximum
Other intangible assets
Finite-lived intangible asset, useful life	15 years
Capitalized software
Other intangible assets
Finite-lived intangible assets, net	$ 1,499	$ 1,325
Capitalized software | Minimum
Other intangible assets
Finite-lived intangible asset, useful life	3 years
Capitalized software | Maximum
Other intangible assets
Finite-lived intangible asset, useful life	10 years