Share Repurchase Programs (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended							12 Months Ended
	Oct. 28, 2012	Oct. 30, 2011	Oct. 28, 2012 Capital Stock In Treasury [Member]	Oct. 30, 2011 Capital Stock In Treasury [Member]	Jul. 31, 2011 June 2011 Program [Member] Capital Stock In Treasury [Member]	Oct. 28, 2012 Shares Repurchased To Offset The Impact Of Dilution [Member] Capital Stock In Treasury [Member]	Oct. 30, 2011 June 2011 Program [Member]	Jul. 29, 2012 June 2011 Program [Member]
Statement [Line Items]
Authorized amount for shares repurchase					$ 1,000
Shares repurchased, shares			0	3,000		480
Shares repurchased, value	(17)	(85)	(17)	(85)			(57)
Stock Repurchase Program, Remaining Authorized Repurchase Amount								$ 750