Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Jan. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of cash equivalents and marketable securities

The following is a summary of cash equivalents and marketable securities as of January 30, 2022 and January 31, 2021:


	January 30, 2022
	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value		Reported as
									Cash Equivalents		Marketable Securities

	(In millions)
Corporate debt securities	$	9,977	$	—	$	(3)	$	9,974	$	1,102	$	8,872
Debt securities issued by the United States Treasury	7,314		—		(14)		7,300		—		7,300
Debt securities issued by United States government agencies	1,612		—		—		1,612		256		1,356
Certificates of deposit	1,561		—		—		1,561		21		1,540
Money market funds	316		—		—		316		316		—
Foreign government bonds	150		—		—		150		—		150


Total	$	20,930	$	—	$	(17)	$	20,913	$	1,695	$	19,218


	January 31, 2021
	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value		Reported as
									Cash Equivalents		Marketable Securities

	(In millions)
Corporate debt securities	$	4,442	$	2	$	—	$	4,444	$	234	$	4,210
Debt securities issued by United States government agencies	2,975		1		—		2,976		28		2,948
Debt securities issued by the United States Treasury	2,846		—		—		2,846		25		2,821
Certificates of deposit	705		—		—		705		37		668
Money market funds	313		—		—		313		313		—
Foreign government bonds	67		—		—		67		—		67


Total	$	11,348	$	3	$	—	$	11,351	$	637	$	10,714

The amortized cost and estimated fair value of cash equivalents and marketable securities as of January 30, 2022 and January 31, 2021 are shown below by contractual maturity.


	January 30, 2022				January 31, 2021
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value

	(In millions)
Less than one year	$	16,346	$	16,343	$	10,782	$	10,783
Due in 1 - 5 years	4,584		4,570		566		568

Total	$	20,930	$	20,913	$	11,348	$	11,351

Schedule of marketable securities in a continuous unrealized loss position

The following table provides the breakdown of unrealized losses as of January 30, 2022, aggregated by investment category and length of time that individual securities have been in a continuous loss position:


	Less than 12 Months				12 Months or Greater				Total
	Estimated Fair Value		Gross Unrealized Loss		Estimated Fair Value		Gross Unrealized Loss		Estimated Fair Value		Gross Unrealized Loss

	(In millions)
Corporate debt securities	$	2,445	$	(3)	$	19	$	—	$	2,464	$	(3)
Debt securities issued by the United States Treasury	5,292		(14)		—		—		5,292		(14)

Total	$	7,737	$	(17)	$	19	$	—	$	7,756	$	(17)