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		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Numerator:
Net loss	$ (327,902)	$ (214,694)	$ (963,488)	$ (668,078)
Less: net loss attributable to noncontrolling interest	(3,623)	(443)	(5,322)	(1,333)
Net loss attributable to Snowflake Inc.	$ (324,279)	$ (214,251)	$ (958,166)	$ (666,745)
Denominator:
Net loss per share attributable to Snowflake Inc. Class A common stockholders- basic (in dollars per share)	$ (0.98)	$ (0.65)	$ (2.88)	$ (2.04)
Net loss per share attributable to Snowflake Inc. Class A common stockholders- diluted (in dollars per share)	$ (0.98)	$ (0.65)	$ (2.88)	$ (2.04)
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)	331,761	329,310	333,136	326,964
Weighted-average shares used in computing net loss per share attributable to Snowflake Inc. Class A common stockholders - diluted (in shares)	331,761	329,310	333,136	326,964
Net loss per share attributable to Snowflake Inc. Class A common stockholders- basic (in dollars per share)	$ (0.98)	$ (0.65)	$ (2.88)	$ (2.04)
Net loss per share attributable to Snowflake Inc. Class A common stockholders- diluted (in dollars per share)	$ (0.98)	$ (0.65)	$ (2.88)	$ (2.04)