The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Section 45

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Intangible Assets and Goodwill - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Indefinite-lived Intangible Assets [Line Items]
Intangible amortization expense	$ 2us-gaap_AmortizationOfIntangibleAssets	$ 2us-gaap_AmortizationOfIntangibleAssets	$ 3us-gaap_AmortizationOfIntangibleAssets
Estimated annual amortization expense fiscal 2015	2
Estimated annual amortization expense fiscal 2016	2
Estimated annual amortization expense fiscal 2017	1
Estimated annual amortization expense fiscal 2018	1
Estimated annual amortization expense fiscal 2019	$ 1
Non-Compete Agreements, Patents and Customer Relationships [Member] \| Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life	5 years
Non-Compete Agreements, Patents and Customer Relationships [Member] \| Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life	18 years
Trademarks and Licenses [Member] \| Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life	10 years
Trademarks and Licenses [Member] \| Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Estimated useful life	25 years