Leases - Narrative (Details) $ in Millions	12 Months Ended
	Jan. 31, 2025 USD ($) renewalOption	Jan. 31, 2024 USD ($)
Other Commitments [Line Items]
Number of renewal options | renewalOption	2
Operating lease renewal term	5 years
Weighted average remaining lease term	3 years 9 months 18 days	4 years 6 months
Weighted average discount rate	5.60%	5.50%
Operating lease payments | $	$ 41	$ 47
San Francisco - Ten Year Lease
Other Commitments [Line Items]
Operating lease term	10 years