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, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Numerator:
Net income (loss)		$ (291,603)	$ (327,902)	$ (1,019,485)	$ (963,488)
Less: net income (loss) attributable to noncontrolling interest		2,354	(3,623)	2,581	(5,322)
Net loss attributable to Snowflake Inc.		$ (293,957)	$ (324,279)	$ (1,022,066)	$ (958,166)
Denominator:
Weighted-average shares used in computing net loss per share attributable to Snowflake Inc. common stockholders - basic (in shares)	[1]	339,648	331,761	335,875	333,136
Weighted-average shares used in computing net loss per share attributable to Snowflake Inc. common stockholders - diluted (in shares)	[1]	339,648	331,761	335,875	333,136
Net loss per share attributable to Snowflake Inc. common stockholders- basic (in dollars per share)	[1]	$ (0.87)	$ (0.98)	$ (3.04)	$ (2.88)
Net loss per share attributable to Snowflake Inc. common stockholders- diluted (in dollars per share)	[1]	$ (0.87)	$ (0.98)	$ (3.04)	$ (2.88)

[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.