RESTRUCTURING SCHEDULE OF RESTRUCTURING RESERVE (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jan. 01, 2021	Jan. 01, 2020
Restructuring Liability	$ 126	$ 141	$ 126	$ 141	$ 148	$ 100
Change in estimates			8	6
Restructuring Charges Exclude Accelerated Stock-Based Compensation	114	228
Provision for restructuring	78	115	123	275
Foreign currency translation and other	(2)	1
Payments	$ (134)	$ (188)
Celgene Integration [Member] | Accelerated Stock Based Compensation [Member]
Provision for restructuring			$ 9	$ 47