Net Loss per Share - Schedule of Basic and Diluted Net Loss per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Numerator:
Net loss	$ (429,952)	$ (317,816)
Less: net income (loss) attributable to noncontrolling interest	140	(828)
Net loss attributable to Snowflake Inc.	$ (430,092)	$ (316,988)
Denominator:
Net loss per share attributable to Snowflake Inc. Class A common stockholders- basic (in dollars per share)	$ (1.29)	$ (0.95)
Net loss per share attributable to Snowflake Inc. Class A common stockholders- diluted (in dollars per share)	$ (1.29)	$ (0.95)
Class A Common Stock
Denominator:
Weighted-average shares used in computing net loss per share attributable to Snowflake Inc. Class A common stockholders - basic (in shares)	332,657	333,584
Weighted-average shares used in computing net loss per share attributable to Snowflake Inc. Class A common stockholders - diluted (in shares)	332,657	333,584
Net loss per share attributable to Snowflake Inc. Class A common stockholders- basic (in dollars per share)	$ (1.29)	$ (0.95)
Net loss per share attributable to Snowflake Inc. Class A common stockholders- diluted (in dollars per share)	$ (1.29)	$ (0.95)