Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 25, 2014		Jan. 26, 2013
Earnings Per Share, Basic
Net income (loss)	$ 80,884		$ (21,255)
Weighted-average shares used in computing basic net income (loss) per-share	440,573		454,843
Net income (loss) per-share—basic	$ 0.18		$ (0.05)
Earnings Per Share, Diluted
Net income (loss)	$ 80,884		$ (21,255)
Weighted-average shares used in computing diluted net income (loss) per-share	453,549		454,843
Net income (loss) per-share—diluted	$ 0.18		$ (0.05)
Weighted Average Number of Shares Outstanding Reconciliation
Weighted-average shares used in computing basic net income (loss) per-share	440,573		454,843
Dilutive potential common shares in the form of stock options	2,620		0
Dilutive potential common shares in the form of other share-based awards	10,356		0
Weighted-average shares used in computing diluted net income (loss) per-share	453,549		454,843
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive potential common shares	3,015	[1]	22,225	[1]
Other share-based awards
Antidilutive Securities Excluded from Computation of Earnings Per Share
Antidilutive potential common shares	462	[1]	5,573	[1]

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