Segments - Schedule of Long-lived Assets by Geographic Areas (Details) - USD ($) $ in Millions	Jul. 31, 2025	Jan. 31, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 258	$ 286
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	153	183
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	139	170
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	14	13
Europe, Middle East, and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	58	64
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 47	$ 39