RESTRUCTURING - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Restructuring Cost and Reserve [Line Items]
Employee termination costs	$ 65	$ 22
Celgene Acquisition Plan
Restructuring Cost and Reserve [Line Items]
Expected restructuring and related charges	3,500
Cash outlays	3,100
Restructuring and related charges incurred to date	3,100
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Expected restructuring and related charges	250
Restructuring and related charges incurred to date	180
Employee termination costs	$ 61