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