Stockholders' Equity and Equity Incentive Plans - Summary of Restricted Stock Units Activity Under Equity Incentive Plan (Details) - RSUs	12 Months Ended
	Jan. 31, 2023 $ / shares shares
Unvested RSUs
Beginning balance (in units) | shares	5,546,366
Granted (in units) | shares	22,136,660
Vested (in units) | shares	(3,977,915)
Cancelled/forfeited (in units) | shares	(1,836,578)
Ending balance (in units) | shares	21,868,533
Weighted-Average Grant Date Fair Value Per Share
Beginning balance (in dollars per unit) | $ / shares	$ 232.58
Granted (in dollars per unit) | $ / shares	93.20
Vested (in dollars per unit) | $ / shares	173.22
Cancelled/forfeited (in dollars per unit) | $ / shares	148.82
Ending balance (in dollars per unit) | $ / shares	$ 109.31