GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other intangible assets
Amortization of intangible assets	$ 10,200	$ 9,900	$ 1,300
Future estimated amortization, 2022	9,800
Future estimated amortization, 2023	9,200
Future estimated amortization, 2024	8,400
Future estimated amortization, 2025	2,900
Future estimated amortization, 2026	1,300
Impairment of other intangible assets	1,200	1,100	$ 66
Payments to acquire intangible assets	300
Acquired marketed product rights
Other intangible assets
Finite-lived intangible assets, net	60,454	59,076
IPRD
Other intangible assets
IPRD	3,750	6,130
IPRD | Revision of Prior Period, Reclassification, Adjustment
Other intangible assets
IPRD	1,500
Inrebic
Other intangible assets
Impairment of other intangible assets	315	575
Inrebic | Acquired marketed product rights
Other intangible assets
Finite-lived intangible assets, net	385
Orva-cel
Other intangible assets
Impairment of other intangible assets		$ 470
Investigational Compound for Hematologic Diseases | Celgene
Other intangible assets
Impairment of other intangible assets	610
Investigational Compound for Fibrotic Diseases | Celgene
Other intangible assets
Impairment of other intangible assets	$ 230