Fair Value (Tables)

3 Months Ended

Oct. 24, 2020

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):

	OCTOBER 24, 2020								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	$	8,634	$	—	$	—	$	8,634	$	10,024	$	—	$	—	$	10,024
Corporate debt securities	—		4		—		4		—		8		—		8
Commercial paper	—		120		—		120		—		—		—		—
Available-for-sale debt investments:
U.S. government securities	—		2,717		—		2,717		—		2,685		—		2,685
U.S. government agency securities	—		178		—		178		—		110		—		110
Corporate debt securities	—		11,537		—		11,537		—		11,877		—		11,877
U.S. agency mortgage-backed securities	—		2,529		—		2,529		—		2,035		—		2,035
Commercial paper	—		1,712		—		1,712		—		727		—		727
Certificates of deposit	—		517		—		517		—		176		—		176
Assets:
Derivative assets	—		179		3		182		—		190		1		191
Total	$	8,634	$	19,493	$	3	$	28,130	$	10,024	$	17,808	$	1	$	27,833
Liabilities:
Derivative liabilities	$	—	$	22	$	—	$	22	$	—	$	10	$	—	$	10
Total	$	—	$	22	$	—	$	22	$	—	$	10	$	—	$	10