Fair Value Measurements (Tables)

3 Months Ended

Apr. 30, 2024

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 April 30, 2024
	Fair Value		Level 1		Level 2		Level 3
	(in thousands)
Financial Assets:
Money market funds	$	1,347,656	$	1,347,656	$	—	$	—
Treasury bills	40,325		—		40,325		—
Commercial paper	9,466		—		9,466		—
U.S. government agency securities	3,504		—		3,504		—
Cash equivalents	1,400,951		1,347,656		53,295		—
Commercial paper	19,737		—		19,737		—
Agency bonds	1,746,249		—		1,746,249		—
Corporate and other debt securities	649,789		—		649,789		—
U.S. government agency securities	3,018,280		—		3,018,280		—
Treasury bills	54,682		—		54,682		—
Marketable securities	5,488,737		—		5,488,737		—
Certificates of deposit included in other assets, noncurrent	253		—		253		—
Publicly held equity securities included in strategic investments	24,200		24,200		—		—
Privately held debt securities included in strategic investments	3,864		—		—		3,864
Total financial assets	$	6,918,005	$	1,371,856	$	5,542,285	$	3,864

	As of January 31, 2024
	Fair Value		Level 1		Level 2		Level 3
	(in thousands)
Financial Assets:
Money market funds	$	851,100	$	851,100	$	—	$	—
Treasury bills	100,629		—		100,629		—
Corporate debt securities	2,715		—		2,715		—
Agency bonds	20,155		—		20,155		—
Cash equivalents	974,599		851,100		123,499		—
Commercial paper	41,564		—		41,564		—
Agency bonds	1,666,683		—		1,666,683		—
Corporate and other debt securities	663,159		—		663,159		—
U.S. government agency securities	3,004,842		—		3,004,842		—
Treasury bills	27,985		—		27,985		—
Marketable securities	5,404,233		—		5,404,233		—
Certificates of deposit included in other assets, noncurrent	254		—		254		—
Publicly held equity securities included in strategic investments	23,160		23,160		—		—
Privately held debt securities included in strategic investments	3,828		—		—		3,828
Total financial assets	$	6,406,074	$	874,260	$	5,527,986	$	3,828