Fair Value Measurements (Tables)

6 Months Ended

Apr. 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:

	April 26, 2015						October 26, 2014
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	2,571	$	—	$	2,571	$	2,494	$	—	$	2,494
U.S. Treasury and agency securities	64		25		89		43		19		62
Non-U.S. government securities	—		12		12		—		14		14
Municipal securities	—		376		376		—		393		393
Commercial paper, corporate bonds and medium-term notes	—		231		231		—		224		224
Asset-backed and mortgage-backed securities	—		279		279		—		286		286
Publicly traded equity securities	46		—		46		50		—		50
Foreign exchange derivative assets	—		144		144		—		52		52
Total	$	2,681	$	1,067	$	3,748	$	2,587	$	988	$	3,575