FINANCING ARRANGEMENTS - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Principal value	$ 36,329	$ 38,234
Unamortized basis adjustment from swap terminations	85	97
Unamortized bond discounts and issuance costs	(265)	(284)
Unamortized purchase price adjustments of Celgene debt	885	924
Total	37,010	38,953
Current portion of Long-term debt	4,873	3,897
Long-term debt	32,137	35,056
Interest rate swap contracts
Debt Instrument [Line Items]
Fair value of interest rate swap contracts	$ (24)	$ (18)