Goodwill and Purchased Intangible Assets (Details 3) (USD $) In Millions	9 Months Ended
Jul. 31, 2011
Finite-Lived Purchased Intangible Assets
2011 (remaining three months)	$ 355
2012	1,328
2013	1,175
2014	852
2015	715
2016	554
Thereafter	186
Total	$ 5,165

- Details

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- Definition

The amount of amortization expense expected to be recognized for the remainder of the finite-lived intangible asset useful life after the fifth succeeding fiscal year.

+ Details

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- Definition

The amount of amortization expense expected to be recognized during the remainder of the current fiscal year.

+ Details

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- Definition

The aggregate estimated amortization expense for each of the five succeeding fiscal years for intangible assets subject to amortization.

+ References