Fair Value Measurements (Tables)

9 Months Ended

Jul. 26, 2015

Fair Value Disclosures [Abstract]

Financial assets measured at fair value on a recurring basis

Financial assets (excluding cash balances) measured at fair value on a recurring basis are summarized below:

	July 26, 2015						October 26, 2014
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	2,152	$	—	$	2,152	$	2,494	$	—	$	2,494
U.S. Treasury and agency securities	62		20		82		43		19		62
Non-U.S. government securities	—		9		9		—		14		14
Municipal securities	—		391		391		—		393		393
Commercial paper, corporate bonds and medium-term notes	—		238		238		—		224		224
Asset-backed and mortgage-backed securities	—		273		273		—		286		286
Publicly traded equity securities	57		—		57		50		—		50
Foreign exchange derivative assets	—		2		2		—		52		52
Total	$	2,271	$	933	$	3,204	$	2,587	$	988	$	3,575