Stock-Based Compensation Stock-Based Compensation (Narrative) (Details) (USD $)	12 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 30, 2010
2009 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award
Shares authorized for issuance under plan	65,000,000
Shares available for issuance under plan	38,700,000
Discount from Market Price At Offering Date	85.00%
Maximum payroll deductions	15.00%
Plan Offering Period	24 months
Plan Purchase Period	6 months
Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Shares available for issuance under plan	76,048,000
Options granted subject to variable accounting	98,800,000
Options outstanding under variable accounting	100,000
Options under variable accounting, weighted-average exercise price	$ 4.85
Options under variable accounting, weighted-average contractual life, years	0.41
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
Award vesting period (years), minimum	1
Award vesting period (years), maximum	4
RSUs, Nonvested, Aggregate intrinsic value	$ 106,100,000	$ 105,900,000	$ 178,900,000