Leases - Narrative (Details) $ in Millions	12 Months Ended
	Jan. 31, 2023 USD ($) renewalOption	Jan. 31, 2022 USD ($)
Other Commitments [Line Items]
Number of renewal options | renewalOption	2
Operating lease renewal term	5 years
Weighted average remaining lease term	5 years 1 month 6 days	5 years 10 months 24 days
Weighted average discount rate	5.30%	5.50%
Operating lease payments | $	$ 44	$ 40
San Francisco - Ten Year Lease
Other Commitments [Line Items]
Operating lease term	10 years