Fair Value Measurements (Tables)

6 Months Ended

Jul. 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 July 31, 2023
	Fair Value		Level 1		Level 2		Level 3
	(in thousands)
Financial Assets:
Money market funds	$	801,409	$	801,409	$	—	$	—
Treasury bills	71,187		—		71,187		—
Cash equivalents	872,596		801,409		71,187		—
Commercial paper	67,269		—		67,269		—
Agency bonds	1,430,299		—		1,430,299		—
Corporate and other debt securities	538,475		—		538,475		—
U.S. government agency securities	2,561,779		—		2,561,779		—
Treasury bills	50,571		—		50,571		—
Marketable securities	4,648,393		—		4,648,393		—
Certificates of deposit included in other assets, noncurrent	255		—		255		—
Publicly held equity securities included in strategic investments	92,139		92,139		—		—
Privately held debt securities included in strategic investments	3,752		—		—		3,752
Total financial assets	$	5,617,135	$	893,548	$	4,719,835	$	3,752

	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