v3.25.1
Share-Based Compensation - Status of Stock Options (Details) - Stock options - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Number of Options    
Outstanding at beginning of the period (in shares) 5,571,545  
Granted (in shares) 353,966  
Exercised (in shares) (131,474) (327,267)
Forfeited (in shares) 0  
Outstanding at the end of the period (in shares) 5,794,037  
Exercisable at the end of the period (in shares) 4,476,271  
Unvested at the end of the period (in shares) 1,317,766  
Weighted Average Exercise Price    
Outstanding at beginning of the period (in dollars per share) $ 148.62  
Granted (in dollars per share) 307.24  
Exercised (in dollars per share) 126.91  
Forfeited (in dollars per share) 0  
Outstanding at the end of the period (in dollars per share) 158.80  
Exercisable at the end of the period (in dollars per share) 131.81  
Unvested at the end of the period (in dollars per share) $ 250.48  
Weighted Average Remaining Contractual Term (in Years)    
Outstanding at the end of the period (in Years) 3 years 7 months 6 days  
Exercisable at the end of the period (in Years) 2 years 2 months 12 days  
Unvested at the end of the period (in Years) 8 years 1 month 6 days  
Aggregate Intrinsic Value (in millions)    
Outstanding at the end of the period $ 866.5  
Exercisable at the end of the period 789.9  
Unvested at the end of the period $ 76.6