Stockholders’ Equity and Equity Incentive Plans - Summary of Restricted Stock Units Activity Under Equity Incentive Plan (Details) - RSUs	6 Months Ended
	Jul. 31, 2025 $ / shares shares
RSUs
Beginning balance (in shares) | shares	23,870,513
Granted (in shares) | shares	5,161,763
Vested (in shares) | shares	(6,578,596)
Canceled/forfeited (in shares) | shares	(1,792,221)
Ending balance (in shares) | shares	20,661,459
Weighted- Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 73.48
Granted (in dollars per share) | $ / shares	75.12
Vested (in dollars per share) | $ / shares	76.26
Canceled/forfeited (in dollars per share) | $ / shares	72.42
Ending balance (in dollars per share) | $ / shares	$ 73.14