v3.26.3
Earnings Per Share - Schedule of Computations for Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Numerator:        
Net income attributable to 3M common shareholders $ 1,373 $ 834 $ 2,959 $ 2,673
Denominator:        
Weighted average 3M common shares outstanding – basic (in shares) 518.8 534.1 522.5 538.4
Dilution associated with stock-based compensation plans (in shares) 3.8 4.0 3.4 3.7
Weighted average 3M common shares outstanding – diluted (in shares) 522.6 538.1 525.9 542.1
Earnings per share attributable to 3M common shareholders:        
Earnings per share — basic (in dollars per share) $ 2.65 $ 1.56 $ 5.66 $ 4.97
Earnings per share — diluted (in dollars per share) $ 2.63 $ 1.55 $ 5.63 $ 4.93