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Stockholders’ Equity and Equity Incentive Plans - Additional Information (Details)	3 Months Ended
	Apr. 30, 2025 USD ($) plan $ / shares shares	Jan. 31, 2025 $ / shares shares	Nov. 30, 2024 USD ($)	Feb. 29, 2024 USD ($)
Class of Stock [Line Items]
Common stock, par value (in dollars per share) \| $ / shares	$ 0.001	$ 0.001
Remaining authorized repurchase amount	$ 1,200,000,000
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	$ 1,405,100,000
Unrecognized stock-based compensation excepted to be recognized over a weighted-average period (in years)	2 years 7 months 6 days
Awards granted (in shares) \| shares	2,576,206
RSUs with Service and Performance Criteria
Class of Stock [Line Items]
Awards granted (in shares) \| shares	700,000
Vesting percentage	100.00%
RSUs with Service and Performance Criteria \| Minimum
Class of Stock [Line Items]
Vesting percentage	0.00%
RSUs with Service and Performance Criteria \| Maximum
Class of Stock [Line Items]
Vesting percentage	100.00%
ESPP
Class of Stock [Line Items]
Unrecognized stock-based compensation expenses	$ 26,100,000
Unrecognized stock-based compensation excepted to be recognized over a weighted-average period (in years)	1 year 1 month 6 days
Class A Common Stock
Class of Stock [Line Items]
Common stock, shares 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 program, amount authorized			$ 1,200,000,000	$ 1,500,000,000
Stock prepurchased and retired (in shares) \| shares	5,561,920
Stock repurchased and retired	$ 418,000,000.0
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares) \| shares	300,000,000	300,000,000
Common stock, par value (in dollars per share) \| $ / shares	$ 0.001