v3.26.1
Stock-Based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Options    
Outstanding at beginning of period (in shares) 2,095  
Granted (in shares) 436  
Exercised (in shares) (438)  
Forfeited or expired (in shares) (15)  
Outstanding at end of period (in shares) 2,078 2,095
Vested or expected to vest (in shares) 2,054  
Options exercisable (in shares) 1,294  
Weighted-average exercise price    
Outstanding at beginning of period (in dollars per share) $ 210.29  
Granted (in dollars per share) 251.45  
Exercised (in dollars per share) 165.88  
Forfeited or expired (in dollars per share) 248.29  
Outstanding, weighted average exercise price (in dollars per share) 228.01 $ 210.29
Vested or expected to vest (in dollars per share) 277.82  
Options exercisable (in dollars per share) $ 215.69  
Weighted-average remaining contractual term (in yrs.)    
Outstanding 6 years 6 months 5 years 7 months 6 days
Vested or expected to vest 6 years 4 months 24 days  
Options exercisable 5 years  
Aggregate intrinsic value    
Outstanding $ 91 $ 58
Vested or expected to vest 91  
Options exercisable $ 73