v3.25.2
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 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]            
Net income - basic and diluted $ 1,391.6 $ 808.7 $ 1,432.3 $ 722.0 $ 2,200.3 $ 2,154.3
Weighted average shares - basic (in shares) 105.1   108.1   105.9 108.0
Weighted average shares - diluted (in shares) 108.6   115.4   109.9 115.3
Net income per share - basic (in dollars per share) $ 13.24   $ 13.25   $ 20.78 $ 19.95
Net income per share - diluted (in dollars per share) $ 12.81   $ 12.41   $ 20.02 $ 18.68
Stock options            
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]            
Effect of dilutive securities (in shares) 1.5   5.0   2.0 5.1
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) 2.0   2.3   2.0 2.2