Fair Value Measurements (Tables)

3 Months Ended

Jan. 25, 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 as of January 25, 2015 and October 26, 2014:

	January 25, 2015						October 26, 2014
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	2,438	$	—	$	2,438	$	2,494	$	—	$	2,494
U.S. Treasury and agency securities	56		23		79		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	—		222		222		—		224		224
Asset-backed and mortgage-backed securities	—		283		283		—		286		286
Publicly traded equity securities	49		—		49		50		—		50
Foreign exchange derivative assets	—		131		131		—		52		52
Total	$	2,543	$	1,047	$	3,590	$	2,587	$	988	$	3,575