Stockholder's Equity - General (Details) - $ / shares	Jul. 31, 2025	Jul. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized (in shares)	1,600,000,000	1,600,000,000
Common stock par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares issued (in shares)	967,478,690	962,967,011
Common stock, shares outstanding (in shares)	967,478,690	962,967,011
Common stock, reserved for issuance of stock options (in shares)	45,431,198	49,707,714
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares were available for future grant under the plan (in shares)	3,300,386
Common stock, reserved for issuance of stock options (in shares)		3,638,112