Stockholder's Equity - Narrative (Details) - $ / shares	Jul. 31, 2024	Jul. 31, 2023
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)	962,967,011	957,344,162
Common stock, shares outstanding (in shares)	962,967,011	957,344,162
Common stock, reserved for issuance of stock options (in shares)	49,707,714	52,648,002
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]
Common stock, reserved for issuance of stock options (in shares)		3,953,154