Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Millions	3 Months Ended
Apr. 30, 2023 USD ($) vote $ / shares shares	Jan. 31, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Votes per share \| vote	1
Unrecognized compensation cost related to unvested stock options granted	$ 483
Intrinsic value of options exercised	$ 303
Class A common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding (in shares) \| shares	145,701,957	143,693,009
Class B common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding (in shares) \| shares	14,498,275	14,551,598
2013 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value of options granted (in usd per share) \| $ / shares	$ 80.51
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of unvested stock (in years)	2 years 10 months 24 days
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period of unvested stock (in years)	1 year 8 months 12 days
Unrecognized compensation cost related to unvested RSUs	$ 300
Total intrinsic value, vested	$ 48

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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