Investments in Non-consolidated Affiliates (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended					12 Months Ended
	Jul. 31, 2013	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2013 Minimum [Member]	Oct. 31, 2013 Maximum [Member]	Oct. 31, 2011 Equity Method Investee NC2 Global LLC [Member]	Sep. 30, 2011 NC2 Global, LLC [Member]	Aug. 31, 2011 NC2 Global, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest in equity method investments					10.00%	50.00%		100.00%	50.00%
New and incremental investments in non-consolidated affiliates		$ 25	$ 39
Sales to non-consolidated affiliates		63	25	107
Purchases from certain non-consolidated affiliates		245	370	426
Company's share of net unfunded losses in non-consolidated affiliates		(77)	(68)
Proceeds from divestiture of businesses	19	33
Income (Loss) from Equity Method Investments		$ (11)	$ 29	$ 71			$ 39