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Stock-Based Compensation - Summary of Activity Related to Restricted Stock (Details) - Restricted stock awards - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Number of Shares      
Outstanding at beginning of period ( in shares) 100    
Shares granted (in shares) 30    
Shares vested (in shares) (35)    
Shares forfeited (in shares) (2)    
Outstanding at end of period (in shares) 93 100  
Weighted-Average Grant Date Fair Value      
Outstanding at beginning of period (in dollars per share) $ 265.53    
Shares granted (in dollars per share) 387.39 $ 337.83 $ 250.83
Shares vested (in dollars per share) 245.31    
Shares forfeited (in dollars per share) 330.78    
Outstanding at end of period (in dollars per share) $ 312.23 $ 265.53  
Weighted average contractual term 1 year    
Aggregate intrinsic value $ 29.7