Stockholders’ Equity and Equity Incentive Plans - Summary of Restricted Stock Units Activity Under Equity Incentive Plan (Details) - RSUs	9 Months Ended
	Oct. 31, 2022 $ / shares shares
RSUs
Beginning balance (in shares) | shares	5,546,366
Granted (in shares) | shares	17,750,637
Vested (in shares) | shares	(2,865,551)
Cancelled/forfeited (in shares) | shares	(1,392,277)
Ending balance (in shares) | shares	19,039,175
Weighted- Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 232.58
Granted (in dollars per share) | $ / shares	98.47
Vested (in dollars per share) | $ / shares	186.03
Cancelled/forfeited (in dollars per share) | $ / shares	159.55
Ending balance (in dollars per share) | $ / shares	$ 119.88