Stockholders' Equity - Summary of Reserved Shares of Common Stock for Future Issuance (Details) - shares	Feb. 06, 2022	Jan. 31, 2021
Class of Stock [Line Items]
Shares underlying outstanding equity awards (in shares)	12,268,938	18,558,974
Shares reserved for future equity awards (in shares)	63,667,347
Employee stock purchase plan
Class of Stock [Line Items]
Shares reserved for future equity awards (in shares)	5,283,083
Unvested RSUs and PRSUs
Class of Stock [Line Items]
Shares underlying outstanding equity awards (in shares)	28,712,878
Employee Stock Options
Class of Stock [Line Items]
Shares reserved for future equity awards (in shares)	17,402,448