Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Jan. 28, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Cash Equivalents and Marketable Securities

The following is a summary of cash equivalents and marketable securities:

	Jan 28, 2024
	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value		Reported as
									Cash Equivalents		Marketable Securities
	(In millions)
Corporate debt securities	$	10,126	$	31	$	(5)	$	10,152	$	2,231	$	7,921
Debt securities issued by the U.S. Treasury	9,517		17		(10)		9,524		1,315		8,209
Debt securities issued by U.S. government agencies	2,326		8		(1)		2,333		89		2,244
Money market funds	3,031		—		—		3,031		3,031		—
Certificates of deposit	510		—		—		510		294		216
Foreign government bonds	174		—		—		174		60		114
Total	$	25,684	$	56	$	(16)	$	25,724	$	7,020	$	18,704

	Jan 29, 2023
	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value		Reported as
									Cash Equivalents		Marketable Securities
	(In millions)
Corporate debt securities	$	4,809	$	—	$	(12)	$	4,797	$	1,087	$	3,710
Debt securities issued by the U.S. Treasury	4,185		1		(44)		4,142		—		4,142
Debt securities issued by U.S. government agencies	1,836		—		(2)		1,834		50		1,784
Money market funds	1,777		—		—		1,777		1,777		—
Certificates of deposit	365		—		—		365		134		231
Foreign government bonds	140		—		—		140		100		40
Total	$	13,112	$	1	$	(58)	$	13,055	$	3,148	$	9,907

The amortized cost and estimated fair value of cash equivalents and marketable securities are shown below by contractual maturity.

	Jan 28, 2024				Jan 29, 2023
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
	(In millions)
Less than one year	$	16,336	$	16,329	$	9,738	$	9,708
Due in 1 - 5 years	9,348		9,395		3,374		3,347
Total	$	25,684	$	25,724	$	13,112	$	13,055

Schedule of Marketable Securities in a Continuous Unrealized Loss Position

The following tables provide the breakdown of unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous loss position:

	Jan 28, 2024
	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)
Debt securities issued by the U.S. Treasury	$	3,343	$	(5)	$	1,078	$	(5)	$	4,421	$	(10)
Corporate debt securities	1,306		(3)		618		(2)		1,924		(5)
Debt securities issued by U.S. government agencies	670		(1)		—		—		670		(1)
Total	$	5,319	$	(9)	$	1,696	$	(7)	$	7,015	$	(16)

	Jan 29, 2023
	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)
Debt securities issued by the U.S. Treasury	$	2,444	$	(21)	$	1,172	$	(23)	$	3,616	$	(44)
Corporate debt securities	1,188		(7)		696		(5)		1,884		(12)
Debt securities issued by U.S. government agencies	1,307		(2)		—		—		1,307		(2)
Total	$	4,939	$	(30)	$	1,868	$	(28)	$	6,807	$	(58)