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Income Taxes (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Apr. 28, 2013	Jan. 27, 2013	Apr. 29, 2012	Apr. 28, 2013	Apr. 29, 2012
Income Tax Disclosure [Abstract]
Effective income tax rate provision	(43.30%)		25.30%	(31.90%)	25.60%
Benefit resulting from the resolution of uncertainties		$ 11
Benefit from the reinstatement of the U.S. federal research and development tax credit				$ 13

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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