Financial Instruments and Commodity Contracts - Balance Sheet Location (Details) (USD $) In Millions, unless otherwise specified	Jul. 31, 2014	Oct. 31, 2013
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	$ 1	$ 5
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives	1	0
Foreign Exchange Contract [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	0	4
Foreign Exchange Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives	1	0
Interest Rate Cap [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	1	1
Interest Rate Cap [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives	$ 0	$ 0