Cover Page - shares	9 Months Ended
	Sep. 30, 2023	Oct. 20, 2023
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-01136
Entity Registrant Name	BRISTOL-MYERS SQUIBB COMPANY
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-0790350
Entity Address, Address Line One	Route 206 & Province Line Road
Entity Address, City or Town	Princeton
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	08543
City Area Code	609
Local Phone Number	252-4621
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		2,034,757,742
Entity Central Index Key	0000014272
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Small Business	false
Common Stock $0.10 Par Value
Title of 12(b) Security	Common Stock, $0.10 Par Value
Trading Symbol	BMY
Security Exchange Name	NYSE
1.000% Notes due 2025
Title of 12(b) Security	1.000% Notes due 2025
Trading Symbol	BMY25
Security Exchange Name	NYSE
1.750% Notes due 2035
Title of 12(b) Security	1.750% Notes due 2035
Trading Symbol	BMY35
Security Exchange Name	NYSE
Celgene Contingent Value Rights
Title of 12(b) Security	Celgene Contingent Value Rights
Trading Symbol	CELG RT
Security Exchange Name	NYSE