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, 2023	Apr. 30, 2022
Earnings Per Share [Abstract]
Net loss	$ (226,064)	$ (165,794)
Less: net loss attributable to noncontrolling interest	(437)	0
Net loss attributable to Snowflake Inc.	$ (225,627)	$ (165,794)
Weighted-average shares used in computing net loss per share attributable to Class A common stockholders - basic (in shares)	324,157	314,361
Weighted-average shares used in computing net loss per share attributable to Class A common stockholders - diluted (in shares)	324,157	314,361
Net loss per share attributable to Class A common stockholders- basic (in dollars per share)	$ (0.70)	$ (0.53)
Net loss per share attributable to Class A common stockholders - diluted (in dollars per share)	$ (0.70)	$ (0.53)