Equity - Shares Reserved For Future Issuance (Details) - shares shares in Thousands	Oct. 31, 2025	Jan. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	135,298	127,723
2012 Equity Incentive Plan: | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	13,155	20,067
2020 Equity Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	1,556	1,586
2020 Equity Incentive Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	23,434	24,790
2020 Equity Incentive Plan | Shares available for future grants
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	78,186	64,834
2020 Employee Stock Purchase Plan | ESPP Rights
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	18,967	16,446