Financial Instruments and Commodity Contracts (Balance Sheet Location) (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	$ 0	$ 4
Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives	5	10
Foreign Currency Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives		3
Foreign Currency Contract [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives		0
Cross Currency Interest Rate Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives		0
Cross Currency Interest Rate Contract [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives		4
Commodity Contract [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	0	1
Commodity Contract [Member] | Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives	3	6
Commodity Contract [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Asset derivatives	0
Commodity Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives	$ 2