Equity - Schedule of Stock Repurchase Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Apr. 30, 2025	Apr. 30, 2024
Share-Based Payment Arrangement [Abstract]
Number of shares repurchased (in shares)	3,214	2,982
Weighted-average price per share (in dollars per share)	$ 152.63	$ 173.13
Aggregate purchase price	$ 490,590	$ 516,284

Payment For Repurchase Of Common Stock, Excluding Transaction Costs And Excise Tax

No definition available.

Name:	snow_PaymentForRepurchaseOfCommonStockExcludingTransactionCostsAndExciseTax
Namespace Prefix:	snow_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration