Stockholders' Equity, Comprehensive Income and Share-Based Compensation (Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 26, 2015	Jul. 27, 2014	Jul. 26, 2015	Jul. 27, 2014
Equity, Class of Treasury Stock [Line Items]
Cost of stock repurchased			$ 625
Treasury Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Common stock repurchases (in shares)	32,000,000	0	32,000,000	0
Cost of stock repurchased	$ 625		$ 625
Average price paid per share (in dollars per share)	$ 19.47		$ 19.47