Fair Value (Tables)

12 Months Ended

Jul. 25, 2020

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Assets and liabilities measured at fair value on a recurring basis were as follows (in millions):

	JULY 25, 2020								JULY 27, 2019
	FAIR VALUE MEASUREMENTS								FAIR VALUE MEASUREMENTS
	Level 1		Level 2		Level 3		Total Balance		Level 1		Level 2		Total Balance
Assets:
Cash equivalents:
Money market funds	$	10,024	$	—	$	—	$	10,024	$	10,083	$	—	$	10,083
Corporate debt securities	—		8		—		8		—		—		—
Available-for-sale debt investments:
U.S. government securities	—		2,685		—		2,685		—		808		808
U.S. government agency securities	—		110		—		110		—		169		169
Corporate debt securities	—		11,877		—		11,877		—		19,262		19,262
U.S. agency mortgage-backed securities	—		2,035		—		2,035		—		1,421		1,421
Commercial paper	—		727		—		727		—		—		—
Certificates of deposit	—		176		—		176		—		—		—
Equity investments:
Marketable equity securities	—		—		—		—		3		—		3
Derivative assets	—		190		1		191		—		89		89
Total	$	10,024	$	17,808	$	1	$	27,833	$	10,086	$	21,749	$	31,835
Liabilities:
Derivative liabilities	$	—	$	10	$	—	$	10	$	—	$	15	$	15
Total	$	—	$	10	$	—	$	10	$	—	$	15	$	15