Equity - Schedule of Shares Reserved For Future Issuance (Details) - shares shares in Thousands	Jul. 31, 2023	Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	127,369	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)	13,967	11,046
2012 Equity Incentive Plan: | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	30,279	35,212
2012 Equity Incentive Plan: | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	1,610	2,521
2020 Equity Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	614	642
2020 Equity Incentive Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	18,887	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)	62,012	52,989