Fair Value (Tables)

3 Months Ended

Oct. 26, 2019

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 26, 2019 FAIR VALUE MEASUREMENTS						JULY 27, 2019 FAIR VALUE MEASUREMENTS
	Level 1		Level 2		Total Balance		Level 1		Level 2		Total Balance
Assets:
Cash equivalents:
Money market funds	$	6,648	$	—	$	6,648	$	10,083	$	—	$	10,083
Corporate debt securities	—		90		90		—		—		—
Commercial paper	—		60		60		—		—		—
Available-for-sale debt investments:
U.S. government securities	—		1,324		1,324		—		808		808
U.S. government agency securities	—		98		98		—		169		169
Corporate debt securities	—		16,199		16,199		—		19,262		19,262
U.S. agency mortgage-backed securities	—		1,510		1,510		—		1,421		1,421
Commercial paper	—		283		283		—		—		—
Certificates of deposit	—		31		31		—		—		—
Equity investments:
Marketable equity securities	3		—		3		3		—		3
Derivative assets	—		103		103		—		89		89
Total	$	6,651	$	19,698	$	26,349	$	10,086	$	21,749	$	31,835
Liabilities:
Derivative liabilities	$	—	$	8	$	8	$	—	$	15	$	15
Total	$	—	$	8	$	8	$	—	$	15	$	15

Fair Value Measurements, Nonrecurring

The following table presents gains and losses on assets that were measured at fair value on a nonrecurring basis (in millions):

	TOTAL GAINS (LOSSES) FOR THE THREE MONTHS ENDED
	October 26, 2019			October 27, 2018
Non-marketable equity securities and equity method investments	$	(21	)	$	(6	)