Business and Summary of Significant Accounting Policies - Segments (Details) $ in Millions	12 Months Ended
	Jan. 31, 2023 USD ($) segment	Jan. 31, 2022 USD ($)
Long Lived Assets Held-for-sale [Line Items]
Number of operating segments | segment	1
Total long-lived assets	$ 389	$ 467
U.S.
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	256	323
Other Americas
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	13	20
Americas
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	269	343
Europe, Middle East, and Africa
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	72	92
Asia Pacific
Long Lived Assets Held-for-sale [Line Items]
Total long-lived assets	$ 48	$ 32