Commitment and Contingencies - Narrative (Details)	11 Months Ended	12 Months Ended
	Jan. 31, 2025 USD ($) complaint class_action	Jan. 31, 2025 USD ($) class_action	Jan. 31, 2024 USD ($)	Jan. 31, 2023 USD ($)
Other Commitments [Line Items]
Lease signed but not yet commenced, lease commitment	$ 47,800,000	$ 47,800,000
Cost of matching contributions		0	$ 0	$ 0
Loss contingency accrual	0	0	$ 0
Letters of credit outstanding	$ 15,600,000	$ 15,600,000
US District Court Of California Vs Snowflake, Inc.
Other Commitments [Line Items]
Number of new claims filed | complaint	4
United States District Court For The Central District Of California And The Supreme Court Of British Columbia
Other Commitments [Line Items]
Legal proceeding, response period (in days)	35 days	35 days
Number of pending claims | class_action	2	2
Minimum
Other Commitments [Line Items]
Lease signed but not yet commenced, lease term (in years)	5 years 3 months 18 days	5 years 3 months 18 days
Loss contingency, range of possible loss	$ 0	$ 0
Maximum
Other Commitments [Line Items]
Lease signed but not yet commenced, lease term (in years)	12 years 9 months 18 days	12 years 9 months 18 days
Loss contingency, range of possible loss	$ 25,000,000	$ 25,000,000