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, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Numerator:
Net income (loss)		$ (297,930)	$ (317,770)	$ (727,882)	$ (635,586)
Less: net income (loss) attributable to noncontrolling interest		87	(871)	227	(1,699)
Net loss attributable to Snowflake Inc.		$ (298,017)	$ (316,899)	$ (728,109)	$ (633,887)
Denominator:
Weighted-average shares used in computing net loss per share attributable to Snowflake Inc. common stockholders - basic (in shares)	[1]	335,215	334,071	333,957	333,830
Weighted-average shares used in computing net loss per share attributable to Snowflake Inc. common stockholders - diluted (in shares)	[1]	335,215	334,071	333,957	333,830
Net loss per share attributable to Snowflake Inc. common stockholders- basic (in dollars per share)	[1]	$ (0.89)	$ (0.95)	$ (2.18)	$ (1.90)
Net loss per share attributable to Snowflake Inc. common stockholders- diluted (in dollars per share)	[1]	$ (0.89)	$ (0.95)	$ (2.18)	$ (1.90)

[1] On July 3, 2025, all authorized shares of the Company’s Class B common stock were eliminated and the Company’s Class A common stock was renamed to “common stock”, pursuant to the terms of the Company’s amended and restated certificate of incorporation. Unless otherwise noted, all references herein to the Company’s common stock refer to the Class A common stock prior to the effectiveness of the certificate. See Note 12, “Equity,” and Note 14, “Net Loss per Share,” for further details.