v3.22.4
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2022
Jan. 31, 2023
Jun. 30, 2022
Document Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 1-3285    
Entity Registrant Name 3M COMPANY    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 41-0417775    
Entity Address, Address Line One 3M Center    
Entity Address, City or Town St. Paul    
Entity Address, State or Province MN    
Entity Address, Postal Zip Code 55144    
City Area Code 651    
Local Phone Number 733-1110    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 73.7
Entity Common Stock, Shares Outstanding   550,500,000  
Documents Incorporated by Reference Parts of the Company’s definitive proxy statement (to be filed pursuant to Regulation 14A within 120 days after Registrant’s fiscal year-end of December 31, 2022) for its annual meeting to be held on May 9, 2023, are incorporated by reference in this Form 10-K in response to Part III, Items 10, 11, 12, 13 and 14.    
Entity Central Index Key 0000066740    
Amendment Flag false    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Common Stock, Par Value $.01 Per Share | New York Stock Exchange      
Document Information      
Title of 12(b) Security Common Stock, Par Value $.01 Per Share    
Trading Symbol MMM    
Security Exchange Name NYSE    
Common Stock, Par Value $.01 Per Share | Chicago Stock Exchange, Inc.      
Document Information      
Title of 12(b) Security Common Stock, Par Value $.01 Per Share    
Trading Symbol MMM    
Security Exchange Name CHX    
0.950% Notes due 2023 | New York Stock Exchange      
Document Information      
Title of 12(b) Security 0.950% Notes due 2023    
Trading Symbol MMM23    
Security Exchange Name NYSE    
1.500% Notes due 2026 | New York Stock Exchange      
Document Information      
Title of 12(b) Security 1.500% Notes due 2026    
Trading Symbol MMM26    
Security Exchange Name NYSE    
1.750% Notes due 2030 | New York Stock Exchange      
Document Information      
Title of 12(b) Security 1.750% Notes due 2030    
Trading Symbol MMM30    
Security Exchange Name NYSE    
1.500% Notes due 2031 | New York Stock Exchange      
Document Information      
Title of 12(b) Security 1.500% Notes due 2031    
Trading Symbol MMM31    
Security Exchange Name NYSE