Segments - Schedule of Long-lived Assets by Geographic Areas (Details) - USD ($) $ in Millions |
Apr. 30, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | $ 274 | $ 278 |
| Americas | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | 173 | 167 |
| U.S. | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | 159 | 152 |
| Other Americas | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | 14 | 15 |
| Europe, Middle East, and Africa | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | 53 | 56 |
| Asia Pacific | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Total long-lived assets | $ 48 | $ 55 |