Commitment and Contingencies - Narrative (Details)	12 Months Ended			23 Months Ended
	Jan. 31, 2026 USD ($)	Jan. 31, 2025 USD ($)	Jan. 31, 2024 USD ($)	Jan. 31, 2026 USD ($) complaint	Feb. 28, 2026 USD ($)
Other Commitments [Line Items]
Lease signed but not yet commenced, lease commitment	$ 39,100,000			$ 39,100,000
Cost of matching contributions	0	$ 0	$ 0
Loss contingency accrual	0	0		0
Letters of credit outstanding	24,600,000			$ 24,600,000
Subsequent Event
Other Commitments [Line Items]
Lease signed but not yet commenced, lease commitment					$ 85,000,000
Indemnification Agreement
Other Commitments [Line Items]
Loss Contingency, Loss in Period	$ 0	$ 0
US District Court Of California Vs Snowflake, Inc.
Other Commitments [Line Items]
Number of new claims filed | complaint				5
Minimum
Other Commitments [Line Items]
Lease signed but not yet commenced, lease term (in years)	5 years			5 years
Loss contingency, range of possible loss	$ 0			$ 0
Minimum | Subsequent Event
Other Commitments [Line Items]
Lease signed but not yet commenced, lease term (in years)					7 years 2 months 12 days
Maximum
Other Commitments [Line Items]
Lease signed but not yet commenced, lease term (in years)	5 years 10 months 24 days			5 years 10 months 24 days
Loss contingency, range of possible loss	$ 25,000,000			$ 25,000,000
Maximum | Subsequent Event
Other Commitments [Line Items]
Lease signed but not yet commenced, lease term (in years)					12 years 3 months 18 days