Segments (Details) $ in Millions	3 Months Ended
	Apr. 30, 2022 USD ($) segment	Jan. 31, 2022 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments | segment	1
Total long-lived assets	$ 465	$ 467
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	354	343
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	336	323
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	18	20
Europe, Middle East, and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	83	92
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 28	$ 32