Stockholders’ Equity and Equity Incentive Plans - Additional Information (Details)	3 Months Ended
	Apr. 30, 2024 USD ($) plan $ / shares shares	Feb. 29, 2024 USD ($)	Jan. 31, 2024 $ / shares shares
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.001		$ 0.001
Remaining authorized amount	$ 1,350,000,000
Number of equity incentive plans | plan	2
Unrecognized stock-based compensation expenses related to outstanding unvested stock options (in shares)	$ 0
RSUs
Class of Stock [Line Items]
Unrecognized stock-based compensation expenses	$ 1,787,900,000
Unrecognized stock-based compensation excepted to be recognized over a weighted-average period (in years)	2 years 7 months 6 days
Granted (in shares) | shares	5,073,584
Employee Stock Purchase Plan
Class of Stock [Line Items]
Unrecognized stock-based compensation expenses	$ 26,800,000
Unrecognized stock-based compensation excepted to be recognized over a weighted-average period (in years)	1 year
Restricted Stock Units (RSUs) With Service And Performance Criteria
Class of Stock [Line Items]
Granted (in shares) | shares	1,700,000
Vesting percentage	100.00%
Restricted Stock Units (RSUs) With Service And Performance Criteria | Minimum
Class of Stock [Line Items]
Vesting percentage	0.00%
Restricted Stock Units (RSUs) With Service And Performance Criteria | Maximum
Class of Stock [Line Items]
Vesting percentage	100.00%
Class A Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares) | shares	2,000,000,000		2,000,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.001
Stock repurchase plan, authorized amount (up to)		$ 1,500,000,000
Stock repurchased and retired during period (in shares) | shares	2,400,305
Stock repurchased and retired during period	$ 150,000,000
Class B Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares) | shares	300,000,000		300,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.001