RESTRUCTURING - Schedule of Restructuring Reserve by Type of Cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning of period			$ 101	$ 148
Restructuring charges			43	114
Foreign currency translation and other			(6)	(2)
Payments			(67)	(134)
Restructuring reserve, end of period	$ 71	$ 126	71	126
Change in estimates			8	8
Provision for restructuring	$ 20	$ 78	$ 43	123
Celgene Acquisition Plan | Accelerated Stock Based Compensation
Restructuring Reserve [Roll Forward]
Provision for restructuring				$ 9