Fair Value Measurements (Tables)

9 Months Ended

Jul. 29, 2012

Fair Value Disclosures [Abstract]

Financial assets and liabilities measured at fair value on a recurring basis

Financial assets and liabilities (excluding cash balances) measured at fair value on a recurring basis are summarized below as of July 29, 2012 and October 30, 2011:

	July 29, 2012						October 30, 2011
	Level 1		Level 2		Total		Level 1		Level 2		Total
	(In millions)
Assets:
Money market funds	$	758	$	—	$	758	$	5,663	$	—	$	5,663
U.S. Treasury and agency securities	123		277		400		109		76		185
Non-U.S. government securities	—		55		55		—		40		40
Municipal securities	—		407		407		—		373		373
Commercial paper, corporate bonds and medium-term notes	—		434		434		—		218		218
Asset-backed and mortgage-backed securities	—		308		308		—		309		309
Publicly traded equity securities	54		—		54		27		—		27
Total	$	935	$	1,481	$	2,416	$	5,799	$	1,016	$	6,815
Liabilities:
Deferred compensation	$	6	$	—	$	6	$	—	$	—	$	—
Total	$	6	$	—	$	6	$	—	$	—	$	—