Fair Value (Tables)

3 Months Ended

Oct. 25, 2014

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 as of October 25, 2014 and July 26, 2014 were as follows (in millions):

	OCTOBER 25, 2014 FAIR VALUE MEASUREMENTS						JULY 26, 2014 FAIR VALUE MEASUREMENTS
	Level 1		Level 2		Total Balance		Level 1		Level 2		Level 3		Total Balance
Assets:
Cash equivalents:
Money market funds	$	2,461	$	—	$	2,461	$	4,935	$	—	$	—	$	4,935
Available-for-sale investments:
U.S. government securities	—		32,414		32,414		—		31,734		—		31,734
U.S. government agency securities	—		1,341		1,341		—		1,063		—		1,063
Non-U.S. government and agency securities	—		1,051		1,051		—		861		—		861
Corporate debt securities	—		10,233		10,233		—		9,159		—		9,159
U.S. agency mortgage-backed securities	—		884		884		—		579		—		579
Publicly traded equity securities	1,797		—		1,797		1,952		—		—		1,952
Derivative assets	—		227		227		—		158		2		160
Total	$	4,258	$	46,150	$	50,408	$	6,887	$	43,554	$	2	$	50,443
Liabilities:
Derivative liabilities	$	—	$	99	$	99	$	—	$	67	$	—	$	67
Total	$	—	$	99	$	99	$	—	$	67	$	—	$	67