Stockholders’ Equity and Equity Incentive Plans - Summary of Restricted Stock Units Activity Under Equity Incentive Plan (Details) - RSUs	9 Months Ended
	Oct. 31, 2025 $ / shares shares
RSUs
Beginning balance (in shares) | shares	23,870,513
Granted (in shares) | shares	8,157,824
Vested (in shares) | shares	(9,028,227)
Canceled/forfeited (in shares) | shares	(2,474,987)
Ending balance (in shares) | shares	20,525,123
Weighted- Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 73.48
Granted (in dollars per share) | $ / shares	78.45
Vested (in dollars per share) | $ / shares	76.34
Canceled/forfeited (in dollars per share) | $ / shares	72.67
Ending balance (in dollars per share) | $ / shares	$ 74.34