Fair Value Measurements (Tables)

9 Months Ended

Oct. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value on Recurring Basis

The following tables present information about our financial instruments that are measured at fair value on a recurring basis and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value:

	As of October 31, 2023
	Fair Value		Level 1		Level 2		Level 3
	(in thousands)
Financial Assets:
Money market funds	$	865,017	$	865,017	$	—	$	—
Treasury bills	164,958		—		164,958		—
Cash equivalents	1,029,975		865,017		164,958		—
Commercial paper	56,098		—		56,098		—
Agency bonds	1,596,783		—		1,596,783		—
Corporate and other debt securities	586,787		—		586,787		—
U.S. government agency securities	2,711,776		—		2,711,776		—
Treasury bills	50,063		—		50,063		—
Marketable securities	5,001,507		—		5,001,507		—
Certificates of deposit included in other assets, noncurrent	245		—		245		—
Publicly held equity securities included in strategic investments	65,724		65,724		—		—
Privately held debt securities included in strategic investments	3,791		—		—		3,791
Total financial assets	$	6,101,242	$	930,741	$	5,166,710	$	3,791

	As of January 31, 2023
	Fair Value		Level 1		Level 2		Level 3
	(in thousands)
Financial Assets:
Money market funds	$	310,571	$	310,571	$	—	$	—
Cash equivalents	310,571		310,571		—		—
Commercial paper	77,701		—		77,701		—
Agency bonds	810,650		—		810,650		—
Corporate and other debt securities	550,894		—		550,894		—
U.S. government agency securities	2,861,215		—		2,861,215		—
Treasury bills	25,376		—		25,376		—
Marketable securities	4,325,836		—		4,325,836		—
Certificates of deposit included in other assets, noncurrent	272		—		272		—
Publicly held equity securities included in strategic investments	171,975		171,975		—		—
Privately held debt securities included in strategic investments	14,400		—		—		14,400
Total financial assets	$	4,823,054	$	482,546	$	4,326,108	$	14,400