v3.26.1
Net Income per Share (Tables)
 6 Months Ended
Jun. 30, 2026
Net Income per Share [Abstract]  
Basic and Diluted Net Income per Share
Basic and diluted net income per share:
Three Months Ended June 30,
Six Months Ended June 30,
2026202520262025
Net Income - Omnicom Group Inc.$584.8 $257.6 $990.0 $545.3 
Weighted Average Shares (millions):   
Basic279.9 194.9 289.0 195.8 
Dilutive stock options and restricted shares1.1 1.1 1.2 1.3 
Diluted281.0 196.0 290.2 197.1 
Anti-dilutive stock options and restricted shares (millions)6.2 6.5 6.2 5.8 
Net Income per Share - Omnicom Group Inc.:   
Basic$2.09$1.32$3.43$2.78
Diluted$2.08$1.31$3.41$2.77