Equity - Valuation Assumptions (Details)			3 Months Ended
Equity - Valuation Assumptions (Details)	Apr. 30, 2025	Jan. 31, 2025	Apr. 30, 2025	Apr. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology
Expected dividend yield			0.00%	0.00%
Stock options
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology
Expected term (in years)				4 years 9 months 18 days
Expected volatility				56.70%
Risk-free interest rate				4.20%
Expected dividend yield				0.00%
ESPP Rights
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology
Expected term (in years)			6 months	6 months
Expected volatility			54.10%	49.60%
Risk-free interest rate			4.30%	5.40%
Expected dividend yield			0.00%	0.00%
Liability-Classified Performance Shares \| 2020 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology
Expected volatility	51.00%	50.00%
Risk-free interest rate	3.60%	4.20%

Snowflake Inc. 10-Q