Segments (Details) $ in Millions	6 Months Ended
	Jul. 31, 2024 USD ($) segment	Jan. 31, 2024 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments | segment	1
Total long-lived assets	$ 321	$ 345
Total Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	214	236
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	201	221
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	13	15
Europe, Middle East, and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	63	63
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 44	$ 46