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