Equity - Schedule of Shares Reserved For Future Issuance (Details) - shares shares in Thousands	Oct. 31, 2023	Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	124,990	115,449
Employee stock purchase rights under the 2020 ESPP
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	13,764	11,046
2012 Equity Incentive Plan: | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	29,174	35,212
2012 Equity Incentive Plan: | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	1,189	2,521
2020 Equity Incentive Plan: | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	602	642
2020 Equity Incentive Plan: | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	18,677	13,039
2020 Equity Incentive Plan: | Options available for future grant
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	61,584	52,989