v3.25.4
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Earnings Per Share      
Net Income (Loss) $ 4,270.3 $ 2,424.0 $ 1,928.0
Weighted average common shares outstanding - Basic (in shares) 1,218.2 1,203.8 1,193.0
Effect of dilutive stock options (in shares) 59.3 59.8 48.2
Weighted average common shares outstanding - Diluted (in shares) 1,277.5 1,263.6 1,241.2
Net income attributable to Amphenol Corporation per common share - Basic      
Net income attributable to Amphenol Corporation per common share - Basic (in dollars per share) $ 3.51 $ 2.01 $ 1.62
Net income attributable to Amphenol Corporation per common share - Diluted      
Net income attributable to Amphenol Corporation per common share - Diluted (in dollars per share) $ 3.34 $ 1.92 $ 1.55
Anti-dilutive common shares      
Anti-dilutive stock options, excluded from the computations of earnings per share (in shares) 5.6 4.8 14.4