Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 26, 2013		Jan. 28, 2012
Earnings Per Share, Basic
Net income (loss)	$ (21,255)		$ 58,584
Weighted-average shares used in computing basic net income per share	454,843		452,494
Basic net income (loss) per share (dollars per share)	$ (0.05)		$ 0.13
Earnings Per Share, Diluted
Net income (loss)	$ (21,255)		$ 58,584
Weighted-average shares used in computing diluted net income per share	454,843		468,738
Diluted net income (loss) per share (dollars per share)	$ (0.05)		$ 0.12
Weighted Average Number of Shares Outstanding Reconciliation
Weighted-average shares used in computing basic net income per share	454,843		452,494
Dilutive potential common shares in the form of stock options	0		9,890
Dilutive potential common shares in the form of other share based awards	0		6,354
Weighted-average shares used in computing diluted net income per share	454,843		468,738
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive potential common shares	22,225	[1]	19,818	[1]
Other share based awards
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive potential common shares	5,573	[1]	1,076	[1]

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