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Stockholders' Equity - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Nov. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Grant-date fair value of stock options vested       $ 18,900,000 $ 18,900,000  
Aggregate intrinsic value of stock options exercised       46,700,000 62,700,000  
Share-based compensation expense, tax benefit $ 48,800,000   $ 0 134,900,000 0  
Unrecognized share-based compensation expense 1,164,500,000     $ 1,164,500,000    
Weighted-average recognition period for unrecognized share-based compensation expense       1 year 10 months 24 days    
Authorized share repurchase amount           $ 2,000,000,000
Repurchases of Class A common stock (in shares)       12,180,904    
Repurchases of Class A common stock 199,387,000   $ 465,622,000 $ 427,013,000 $ 500,000,000  
Stock repurchased, average price per share (in dollars per share)       $ 35.06    
Stock remaining available for repurchases $ 1,472,800,000     $ 1,472,800,000    
2019 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of outstanding shares, additional reserve       5.00%    
2019 Plan | Class A            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares reserved for issuance (in shares) 188,472,622     188,472,622    
Outstanding stock options | 2019 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expiration period       10 years    
Percentage of fair market value of outstanding stock, maximum       100.00%    
RSUs            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted (in shares)   572,884        
Share-based awards vesting period   3 years        
Award granted, weighted average grant date fair value (in dollars per share)   $ 49.99        
RSUs | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting rights, percentage   0.00%        
RSUs | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting rights, percentage   200.00%