Business and Summary of Significant Accounting Policies - Segments (Details) $ in Millions	12 Months Ended
	Jan. 31, 2024 USD ($) segment	Jan. 31, 2023 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments | segment	1
Total long-lived assets	$ 345	$ 389
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	221	256
Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	15	13
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	236	269
Europe, Middle East, and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	63	72
Asia Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets	$ 46	$ 48