Equity - Shares Reserved For Future Issuance (Details) - shares shares in Thousands	Jan. 31, 2025	Jan. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	127,723	121,461
ESPP Rights
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	16,446	13,764
2012 Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	20,067	26,767
2012 Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	0	789
2020 Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	1,586	602
2020 Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	24,790	20,168
2020 Plan | Shares available for future grants
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (shares)	64,834	59,371