Stockholders’ Equity and Equity Incentive Plans - Additional Information (Details)	3 Months Ended	9 Months Ended
	Oct. 31, 2022 USD ($) shares	Oct. 31, 2023 USD ($) plan $ / shares shares	Oct. 31, 2022 USD ($) shares	Jan. 31, 2023 $ / shares shares	Feb. 28, 2022 USD ($)
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares		$ 0.001		$ 0.001
Stock repurchase plan, authorized amount (up to) | $					$ 1,000,000,000
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 | $		$ 1,927,500,000
Unrecognized stock-based compensation excepted to be recognized over a weighted-average period (in years)		2 years 7 months 6 days
Employee Stock Purchase Plan
Class of Stock [Line Items]
Unrecognized stock-based compensation expenses | $		$ 46,900,000
Unrecognized stock-based compensation excepted to be recognized over a weighted-average period (in years)		1 year 2 months 12 days
Class A Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares) | shares		2,000,000,000		2,000,000,000
Stock repurchased and retired during period (in shares) | shares	6,955,529		11,044,500
Stock repurchased and retired during period | $	$ 564,800,000		$ 990,800,000
Class A Common Stock | Initial Public Offering
Class of Stock [Line Items]
Common stock, authorized (in shares) | shares		2,000,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.001
Class B Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares) | shares		300,000,000		300,000,000
Class B Common Stock | Initial Public Offering
Class of Stock [Line Items]
Common stock, authorized (in shares) | shares		300,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.001