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 January 31, 2022
	Fair Value		Level 1		Level 2		Level 3

	(in thousands)
Financial Assets:
Money market funds	$	688,722	$	688,722	$	—	$	—
Treasury bills	107,496		—		107,496		—
Corporate debt securities	749		—		749		—

Cash equivalents	796,967		688,722		108,245		—
Commercial paper	28,723		—		28,723		—
Agency bonds	629,609		—		629,609		—
Corporate and other debt securities	280,927		—		280,927		—
U.S. government agency securities	3,027,509		—		3,027,509		—
Treasury bills	389,678		—		389,678		—
Marketable securities	4,356,446		—		4,356,446		—


Certificates of deposit included in other assets, noncurrent	297		—		297		—

Publicly held equity securities included in strategic investments	168,784		168,784		—		—
Privately held debt securities included in strategic investments	14,231		—		—		14,231
Total financial assets	$	5,336,725	$	857,506	$	4,464,988	$	14,231


	As of January 31, 2021
	Fair Value		Level 1		Level 2		Level 3

	(in thousands)
Financial Assets:
Money market funds	$	958,357	$	958,357	$	—	$	—
Treasury bills	618,498		—		618,498		—


Cash equivalents	1,576,855		958,357		618,498		—
Commercial paper	26,222		—		26,222		—
Agency bonds	461,365		—		461,365		—
Corporate and other debt securities	466,256		—		466,256		—
U.S. government agency securities	834,665		—		834,665		—
Treasury bills	215,902		—		215,902		—
Marketable securities	2,004,410		—		2,004,410		—
Certificate of deposit included in prepaid expenses and other current assets	100		—		100		—

Certificates of deposit included in other assets, noncurrent	2,238		—		2,238		—

Privately held debt securities included in strategic investments	5,130		—		—		5,130
Total financial assets	$	3,588,733	$	958,357	$	2,625,246	$	5,130