CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (1,329,035)	$ (1,289,212)	$ (837,990)
Cash flow hedges:
Net change in unrealized gains or losses	10,405	(52)	(574)
Net realized (gains) losses reclassified into net loss	(9,662)	82	(134)
Net change in unrealized gains or losses on available-for-sale debt securities	4,718	5,982	30,760
Other	112	(28)	0
Total other comprehensive income	5,573	5,984	30,052
Comprehensive loss	(1,323,462)	(1,283,228)	(807,938)
Less: comprehensive income (loss) attributable to noncontrolling interest	2,581	(3,572)	(1,893)
Comprehensive loss attributable to Snowflake Inc.	$ (1,326,043)	$ (1,279,656)	$ (806,045)