Equity - Shares Reserved For Future Issuance (Details) - shares shares in Thousands	Jan. 31, 2024	Jan. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	121,461	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 Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	26,767	35,212
2012 Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	789	2,521
2020 Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	602	642
2020 Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	20,168	13,039
2020 Plan | Shares available for future grants
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	59,371	52,989