Net Loss per Share - Schedule of Potentially Dilutive Securities (Details) - shares shares in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potentially dilutive securities (in shares) | 16,485 | 16,488 |
| Shares subject to outstanding common stock options | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potentially dilutive securities (in shares) | 3,821 | 5,526 |
| Unvested early exercised stock options | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potentially dilutive securities (in shares) | 0 | 1 |
| Unvested RSUs and PSUs | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potentially dilutive securities (in shares) | 12,324 | 10,775 |
| Shares subject to the ESPP | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potentially dilutive securities (in shares) | 340 | 186 |