Stockholders’ Equity and Equity Incentive Plans - Summary of Restricted Stock Units Activity Under Equity Incentive Plan (Details) - RSUs	6 Months Ended
	Jul. 31, 2023 $ / shares shares
RSUs
Beginning balance (in shares) | shares	21,868,533
Granted (in shares) | shares	13,450,561
Vested (in shares) | shares	(5,535,351)
Cancelled/forfeited (in shares) | shares	(2,946,033)
Ending balance (in shares) | shares	26,837,710
Weighted- Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 109.31
Granted (in dollars per share) | $ / shares	68.93
Vested (in dollars per share) | $ / shares	110.16
Cancelled/forfeited (in dollars per share) | $ / shares	105.91
Ending balance (in dollars per share) | $ / shares	$ 89.28