Intangible Assets and Goodwill - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Revenue, Major Customer [Line Items]
Intangible amortization expense	$ 3	$ 3	$ 3
Estimated annual amortization expense fiscal 2013	2
Estimated annual amortization expense fiscal 2014	2
Estimated annual amortization expense fiscal 2015	2
Estimated annual amortization expense fiscal 2016	2
Estimated annual amortization expense fiscal 2017	2
Goodwill impairment charges		74
Goodwill partially offset related to acquisition	5
Decrease in goodwill		$ 64
Minimum [Member]
Revenue, Major Customer [Line Items]
Estimated useful life of Trademarks and Licenses	10 years
Maximum [Member]
Revenue, Major Customer [Line Items]
Estimated useful life of Trademarks and Licenses	25 years