Stockholders’ Equity and Equity Incentive Plans - Summary of Restricted Stock Units Activity Under Equity Incentive Plan (Details) - RSUs	3 Months Ended
	Apr. 30, 2023 $ / shares shares
RSUs
Beginning balance (in shares) | shares	21,868,533
Granted (in shares) | shares	7,565,078
Vested (in shares) | shares	(3,130,859)
Cancelled/forfeited (in shares) | shares	(2,277,349)
Ending balance (in shares) | shares	24,025,403
Weighted- Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 109.31
Granted (in dollars per share) | $ / shares	69.89
Vested (in dollars per share) | $ / shares	112.03
Cancelled/forfeited (in dollars per share) | $ / shares	108.80
Ending balance (in dollars per share) | $ / shares	$ 96.60