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Equity Incentive Plans - Additional Information (Details)
 1 Months Ended 12 Months Ended
Aug. 01, 2024
shares
Aug. 01, 2023
shares
Aug. 01, 2022
shares
Dec. 13, 2019
USD ($)
PurchasePeriod
shares
Jan. 31, 2024
$ / shares
shares
Sep. 30, 2016
shares
Jul. 31, 2024
USD ($)
Plan
$ / shares
shares
Jul. 31, 2023
USD ($)
$ / shares
shares
Jul. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2022
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares reserved for future issuance (in shares)             53,144,000      
Options granted (in shares)             0 0 0  
Stock option exercises in period, intrinsic value | $             $ 37,800,000 $ 12,100,000 $ 35,000,000  
Proceeds from stock options exercised | $             4,200,000 3,700,000 6,500,000  
RSUs including PSUs vested in period grant date fair value | $             299,500,000 281,800,000 314,600,000  
Monetary cap | $       $ 25,000            
Share cap (in shares)       1,000            
Offering period duration (in months)       12 months            
Number of six-month purchase periods | PurchasePeriod       2            
Proceeds from sales of shares through employee equity incentive plans | $             51,571,000 $ 46,501,000 $ 67,826,000  
Compensation not yet recognized | $             $ 553,800,000      
Period for recognition (in years)             2 years 3 months 18 days      
2016 Plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of equity incentive plans | Plan             1      
Shares reserved for future issuance (in shares)             10,700,000      
2010 Stock Plan and 2011 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of inactive equity incentive plans | Plan             2      
Market Stock Units | President [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares)         200,000          
Granted (in dollars per share) | $ / shares         $ 62.85          
Vesting percentage         200.00%          
Award vesting period (in years)         3 years 7 months 6 days          
Employee stock purchase plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares reserved for future issuance (in shares)             10,747,000      
Percent of eligible compensation (up to)       15.00%            
Purchase price of common stock, percent       85.00%            
ESPP stock issued during period (in shares)             1,900,000      
Employee stock purchase plan | 2016 Plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Proceeds from sales of shares through employee equity incentive plans | $             $ 47,300,000      
Employee Stock Option                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting period (in years)             4 years      
Expiration period (in years)             10 years      
Incentive Stock Option                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Exercise price, percent of estimated fair value             100.00%      
Non-qualified Stock Option                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Exercise price, percent of estimated fair value             100.00%      
RSUs                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares)             9,850,000 16,045,000 14,921,000  
Granted (in dollars per share) | $ / shares             $ 34.22 $ 19.25 $ 30.33  
Released (in dollars per share) | $ / shares             $ 25.76 $ 27.28 $ 32.57  
RSUs | Market Stock Units                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares)             800,000 1,300,000 700,000  
Granted (in dollars per share) | $ / shares             $ 47.65 $ 27.89 $ 46.8  
Vesting percentage             200.00%      
Award vesting period (in years)             3 years 3 years 1 month 6 days 2 years 9 months 18 days  
RSUs | Performance Restricted Stock Units [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares)         300,000          
Granted (in dollars per share) | $ / shares         $ 45.86          
Vesting percentage         200.00%          
Award vesting period (in years)         3 years 7 months 6 days          
Employee Stock                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares reserved for future issuance (in shares)             42,400,000      
Number of shares available for grant (in shares)             20,000,000      
Common Class A | 2016 Plan                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares reserved for future issuance (in shares)           22,400,000        
Annual increase (in shares)           18,000,000        
Annual increase, percent of outstanding shares           5.00%        
Number of additional shares authorized (in shares)   12,000,000 11,300,000              
Number of shares available for grant (in shares)             19,964,000      
Common Class A | 2016 Plan | Subsequent Event                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Number of additional shares authorized (in shares) 13,300,000                  
Common Class A | Employee Stock                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares reserved for future issuance (in shares)                   13,800,000
Principal Owner | Incentive Stock Option                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Expiration period (in years)             5 years      
Exercise price, percent of estimated fair value             110.00%