v3.26.3
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Operating Loss Carryforwards [Line Items]    
Federal statutory income tax rate 21.00%  
Valuation allowance for deferred tax assets $ 124,378 $ 1,318,056
Research credit carryforwards 246,300  
Unrecognized tax benefits that would impact effective tax rate 79,600  
Accrued interest and penalties 1,000  
Recognized tax benefit related to interest and penalities $ 7,000  
Percentage of Global Minimum Corporate Tax 15.00%  
United States of America, Dollars    
Operating Loss Carryforwards [Line Items]    
Valuation allowance for deferred tax assets $ 124,400 1,300,000
Valuation allowance increase $ (1,193,700) $ 112,300
Federal    
Operating Loss Carryforwards [Line Items]    
Federal statutory income tax rate 21.00%  
Valuation allowance increase $ 1,200  
Net operating loss carryforwards 1,700,000  
State    
Operating Loss Carryforwards [Line Items]    
Valuation allowance for deferred tax assets 114,000  
Net operating loss carryforwards 1,300,000  
State | Research Credit Carryforwards    
Operating Loss Carryforwards [Line Items]    
Research credit carryforwards 183,700  
Foreign Tax Authority | Foreign Tax Credit Carryforward Member    
Operating Loss Carryforwards [Line Items]    
Foreign Tax Credit Carryforward Amount $ 93,200