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		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Earnings Per Share [Abstract]
Net loss	$ (227,320)	$ (222,806)	$ (453,384)	$ (388,600)
Less: net loss attributable to noncontrolling interest	(453)	0	(890)	0
Net loss attributable to Snowflake Inc.	$ (226,867)	$ (222,806)	$ (452,494)	$ (388,600)
Weighted-average shares used in computing net loss per share attributable to Class A common stockholders - basic (in shares)	327,335	318,356	325,772	316,392
Weighted-average shares used in computing net loss per share attributable to Class A common stockholders - diluted (in shares)	327,335	318,356	325,772	316,392
Net loss per share attributable to Class A common stockholders- basic (in dollars per share)	$ (0.69)	$ (0.70)	$ (1.39)	$ (1.23)
Net loss per share attributable to Class A common stockholders - diluted (in dollars per share)	$ (0.69)	$ (0.70)	$ (1.39)	$ (1.23)