Stockholders' Equity (Tables)

12 Months Ended

Jan. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

A summary of stock option activity for the fiscal year ended January 31, 2024 is as follows: 

	Number of shares	Weighted average exercise price		Weighted average remaining contractual term (in years)	Aggregate intrinsic value (in millions)
Options outstanding at January 31, 2023	11,503,409	$	128.62	5.9	$	705
Options granted	2,511,610	180.59
Options exercised	(2,277,533)	27.52
Options forfeited/cancelled	(589,676)	200.03
Options outstanding at January 31, 2024	11,147,810	$	157.20	6.7	$	626
Options vested and exercisable at January 31, 2024	4,962,412	$	123.63	5.1	$	449
Options vested and exercisable at January 31, 2024 and expected to vest thereafter	11,147,810	$	157.20	6.7	$	626

Schedule of Weighted-Average Assumptions Used to Estimate Grant Date Fair Value of Options Granted

The following table presents the weighted-average assumptions used to estimate the grant date fair value of options granted during the periods presented:

	Fiscal year ended January 31,
	2024			2023			2022
Volatility	39%	-	41%	37%	-	40%	37%	-	39%
Expected term (in years)	6.25	-	7.00	6.00	-	7.00	6.25
Risk-free interest rate	3.34%	-	4.73%	1.90%	-	4.20%	0.70%	-	1.60%
Dividend yield	—%			—%			—%

Schedule of Restricted Stock Unit (RSU) Activity

A summary of RSU activity for the fiscal year ended January 31, 2024 is as follows:

	Unreleased restricted stock units	Weighted  average grant date fair value
Balance at January 31, 2023	1,103,679	$	194.36
RSUs granted	1,181,528	180.78
RSUs vested	(1,150,059)	182.95
RSUs forfeited / cancelled	(123,417)	183.81
Balance at January 31, 2024	1,011,731	192.77