v3.26.1
Net Income Per Share - Schedule of Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Net income - basic and diluted $ 727.2 $ 808.7
Weighted average shares - basic (in shares) 104.0 106.7
Weighted average shares - diluted (in shares) 107.7 111.2
Net income per share - basic (in dollars per share) $ 6.99 $ 7.58
Net income per share - diluted (in dollars per share) $ 6.75 $ 7.27
Stock options    
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Effect of dilutive securities (in shares) 2.6 2.5
Restricted stock awards and restricted stock units    
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Effect of dilutive securities (in shares) 1.1 2.0