CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (429,952)	$ (317,816)
Cash flow hedges:
Change in net unrealized gains (losses)	8,787	(52)
Net realized (gains) losses reclassified into net loss	(608)	3
Net change in unrealized gains or losses on available-for-sale debt securities	2,229	(7,421)
Other	(1)	(23)
Total other comprehensive income (loss)	10,407	(7,493)
Comprehensive loss	(419,545)	(325,309)
Less: comprehensive income (loss) attributable to noncontrolling interest	140	(828)
Comprehensive loss attributable to Snowflake Inc.	$ (419,685)	$ (324,481)