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Stockholders’ Equity and Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jan. 01, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
May 31, 2025
Apr. 17, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Aggregate purchase price   $ 195.9 $ 172.0 $ 983.0 $ 234.7    
2014 Employee Stock Purchase Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Percent of shares outstanding to increase number of shares available for grant and issuance (as a percent) 1.00%            
Maximum increase of number of shares available for issuance (in shares)       40.0      
Percentage of share cost offered to eligible employees for share purchases (as a percent)       85.00%      
Offering period       2 years      
Purchase period term       6 months      
Maximum percentage of payroll deductions per employee (as a percent)       0.15      
Restated Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation arrangement by share-based payment award, maximum, number of outstanding stock (in shares)             52.8
Share-based compensation arrangement by share-based payment award, number of shares authorized (in shares)             40.2
Employee Stock | 2014 Employee Stock Purchase Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock reserved for issuance (in shares)   104.5   104.5      
Shares issued (in shares)       0.4      
Weighted-average purchase price (in dollars per share)   $ 62.31   $ 62.31      
Stock Option              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unamortized compensation costs   $ 1,400.0   $ 1,400.0      
Unamortized compensation costs weighted-average period (in years)       4 years 7 months 6 days      
Stock Option | Restated Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock reserved for issuance (in shares)   47.7   47.7      
New Repurchase Program              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Authorized amount for stock repurchases           $ 1,500.0  
Aggregate purchase price   $ 62.0   $ 62.0      
Remaining authorized repurchase amount   1,400.0   1,400.0      
Prior Repurchase Program              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Authorized amount for stock repurchases           $ 1,200.0  
Aggregate purchase price   $ 133.9   $ 921.0