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Equity Incentive Plans - Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Equity Incentive Plans      
Common stock authorized for stock-based awards (in shares) 110.8    
Common stock reserved for further issuance (in shares) 9.9    
Stock Options      
Equity Incentive Plans      
Vesting period of options granted 3 years    
Expiration term for options 10 years    
Weighted average grant date fair value of options granted (in dollars per share) $ 48.65 $ 39.61 $ 31.45
Intrinsic value of options exercised $ 121 $ 170 $ 79
Restricted stock units      
Equity Incentive Plans      
Award vesting period 3 years    
Weighted average grant date fair value, granted (in dollars per share) $ 192.37 $ 160.44 $ 132.65
Total fair value of restricted stock and restricted stock units vested $ 67 $ 59 $ 49
Performance stock awards      
Equity Incentive Plans      
Weighted average grant date fair value, granted (in dollars per share) $ 189.25 $ 159.29 $ 136.62
Total fair value of restricted stock and restricted stock units vested $ 23 $ 22 $ 41