Equity - Schedule of Stock Repurchase Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Jan. 31, 2025	Jan. 31, 2024
Share-Based Payment Arrangement [Abstract]
Number of shares repurchased (in shares)	14,765	4,012
Weighted-average price per share (in dollars per share)	$ 130.87	$ 147.49
Aggregate purchase price	$ 1,932,164	$ 591,673

Payment For Repurchase Of Common Stock, Excluding Transaction Costs

No definition available.

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