Fair Value (Tables)

6 Months Ended

Jan. 23, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

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

	JANUARY 23, 2021								JULY 25, 2020
	FAIR VALUE MEASUREMENTS								FAIR VALUE MEASUREMENTS
	Level 1		Level 2		Level 3		Total Balance		Level 1		Level 2		Level 3		Total Balance
Assets:
Cash equivalents:
Money market funds	$	8,515	$	—	$	—	$	8,515	$	10,024	$	—	$	—	$	10,024
Corporate debt securities	—		9		—		9		—		8		—		8
Certificates of deposit	—		161		—		161		—		—		—		—
Commercial paper	—		902		—		902		—		—		—		—
Available-for-sale debt investments:
U.S. government securities	—		2,663		—		2,663		—		2,685		—		2,685
U.S. government agency securities	—		168		—		168		—		110		—		110
Corporate debt securities	—		10,786		—		10,786		—		11,877		—		11,877
U.S. agency mortgage-backed securities	—		2,840		—		2,840		—		2,035		—		2,035
Commercial paper	—		1,730		—		1,730		—		727		—		727
Certificates of deposit	—		603		—		603		—		176		—		176
Equity investments:
Marketable equity securities	5		—		—		5		—		—		—		—
Assets:
Derivative assets	—		165		6		171		—		190		1		191
Total	$	8,520	$	20,027	$	6	$	28,553	$	10,024	$	17,808	$	1	$	27,833
Liabilities:
Derivative liabilities	$	—	$	26	$	—	$	26	$	—	$	10	$	—	$	10
Total	$	—	$	26	$	—	$	26	$	—	$	10	$	—	$	10