Fair Value Measurements (Tables)

9 Months Ended

Jul. 27, 2014

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 July 27, 2014 and October 27, 2013:

	July 27, 2014						October 27, 2013
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	1,978	$	—	$	1,978	$	1,095	$	—	$	1,095
U.S. Treasury and agency securities	42		30		72		66		104		170
Non-U.S. government securities	—		15		15		—		11		11
Municipal securities	—		395		395		—		386		386
Commercial paper, corporate bonds and medium-term notes	—		229		229		—		219		219
Asset-backed and mortgage-backed securities	—		271		271		—		268		268
Publicly traded equity securities	50		—		50		60		—		60
Foreign exchange derivative assets	—		11		11		—		20		20
Total	$	2,070	$	951	$	3,021	$	1,221	$	1,008	$	2,229