Equity - Shares Reserved For Future Issuance (Details) - shares shares in Thousands	Oct. 31, 2024	Jan. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	130,635	121,461
ESPP Rights
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	16,446	13,764
2012 Equity Incentive Plan: | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	21,468	26,767
2012 Equity Incentive Plan: | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	1	789
2020 Equity Incentive Plan | Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	1,586	602
2020 Equity Incentive Plan | RSUs
Share-based Compensation Arrangement by Share-based Payment Award
Common stock reserved for future issuances (in shares)	26,702	20,168
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)	64,432	59,371