Stockholders' Equity, Comprehensive Income and Share-Based Compensation (Details 6) In Millions, unless otherwise specified			12 Months Ended				12 Months Ended				12 Months Ended
	Jul. 27, 2014 Performance Based Awards 2013 [Member]		Oct. 27, 2013 Performance Based Awards 2013 [Member] Performance Shares/Performance Units [Member]	Oct. 27, 2013 Performance Based Awards 2013 [Member] Shares of Restricted Stock [Member]	Jul. 27, 2014 Performance Based Awards 2012 [Member]		Oct. 28, 2012 Performance Based Awards 2012 [Member] Performance Shares/Performance Units [Member]	Oct. 28, 2012 Performance Based Awards 2012 [Member] Shares of Restricted Stock [Member]	Jul. 27, 2014 Performance Based Awards 2011 [Member]		Oct. 30, 2011 Performance Based Awards 2011 [Member] Performance Shares/Performance Units [Member]	Oct. 30, 2011 Performance Based Awards 2011 [Member] Shares of Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Performance-Based Awards Granted			3.0	0			3.0	1.0			2.0	0.1
Percentage of performance based awards earned	0.00%	[1]			29.00%	[1]			100.00%	[1]

[1] subject to additional time-based vesting requirements