Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Jul. 28, 2012		Jul. 30, 2011		Jul. 28, 2012		Jul. 30, 2011
Earnings Per Share, Basic
Net income	$ 43,300		$ 1,937		$ 141,180		$ 54,934
Weighted-average shares used in computing basic net income per share	457,147		483,744		455,727		474,020
Basic net income per share (dollars per share)	$ 0.09		$ 0.00		$ 0.31		$ 0.12
Earnings Per Share, Diluted
Net income	$ 43,300		$ 1,937		$ 141,180		$ 54,934
Weighted-average shares used in computing diluted net income per share	469,571		509,548		471,719		500,741
Diluted net income per share (dollars per share)	$ 0.09		$ 0.00		$ 0.30		$ 0.11
Weighted Average Number of Shares Outstanding Reconciliation
Weighted-average shares used in computing basic net income per share	457,147		483,744		455,727		474,020
Dilutive potential common shares in the form of stock options	6,172		14,657		8,391		15,664
Dilutive potential common shares in the form of other share based awards	6,252		11,147		7,601		11,057
Weighted-average shares used in computing diluted net income per share	469,571		509,548		471,719		500,741
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive potential common shares	17,742	[1]	15,367	[1]	17,437	[1]	19,493	[1]
Other share based awards
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive potential common shares	1,000	[1]	67	[1]	728	[1]	537	[1]

[1] These amounts are excluded from the computation of diluted net income per share.