Commitments and Contingencies (Details)	3 Months Ended		8 Months Ended	9 Months Ended
	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)	Oct. 31, 2024 USD ($) complaint	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)	Nov. 27, 2024 USD ($)	May 31, 2024 USD ($)	Jan. 31, 2024 USD ($)
Other Commitments [Line Items]
Sublease income	$ 1,700,000	$ 2,900,000		$ 6,000,000.0	$ 9,100,000
Cost of matching contributions	0	$ 0		0	$ 0
Loss contingency accrual	0		$ 0	0				$ 0
Letters of credit outstanding	16,500,000		$ 16,500,000	16,500,000
US District Court Of California V Snowflake, Inc.
Other Commitments [Line Items]
Loss contingency, number of new claims filed | complaint			4
Operating Lease, Lease Not yet Commenced | New Office Facility Lease In The US | Subsequent Event
Other Commitments [Line Items]
Lease not yet commenced						$ 167,000,000
Minimum
Other Commitments [Line Items]
Loss contingency, range of possible loss	0		$ 0	0
Maximum
Other Commitments [Line Items]
Loss contingency, range of possible loss	$ 25,000,000		$ 25,000,000	25,000,000
New Office Facility Lease In The US
Other Commitments [Line Items]
Lessee, operating lease, liability, to be paid							$ 95,600,000
Increase in operating lease right-of-use assets				35,200,000
Increase in operating lease liabilities				$ 38,300,000