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Financial Instruments and Commodity Contracts (Narrative) (Details)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended
Apr. 30, 2012
USD ($)
Oct. 31, 2011
USD ($)
Apr. 30, 2012
Purchased Call Option [Member]
Manufacturing Operations [Member]
USD ($)
Apr. 30, 2012
Foreign Exchange Contract [Member]
CAD
Apr. 30, 2012
Foreign Exchange Contract [Member]
EUR (€)
Oct. 31, 2011
Foreign Exchange Contract [Member]
CAD
Oct. 31, 2011
Foreign Exchange Contract [Member]
EUR (€)
Apr. 30, 2012
Commodity Contract [Member]
Steel Forward Contracts [Member]
USD ($)
Oct. 31, 2010
Commodity Contract [Member]
Steel Forward Contracts [Member]
USD ($)
Apr. 30, 2012
Commodity Contract [Member]
Natural Rubber Forward Contracts [Member]
USD ($)
Oct. 31, 2010
Commodity Contract [Member]
Natural Rubber Forward Contracts [Member]
USD ($)
Apr. 30, 2012
Commodity Contract [Member]
Diesel Fuel Forward Contracts [Member]
USD ($)
Oct. 31, 2010
Commodity Contract [Member]
Diesel Fuel Forward Contracts [Member]
USD ($)
Apr. 30, 2012
Commodity Contract [Member]
Lead Forward Contracts [Member]
USD ($)
Oct. 31, 2010
Commodity Contract [Member]
Lead Forward Contracts [Member]
USD ($)
Apr. 30, 2012
Interest Rate Contract [Member]
USD ($)
Oct. 31, 2011
Interest Rate Contract [Member]
USD ($)
Apr. 30, 2012
Convertible Subordinated Debt [Member]
Manufacturing Operations [Member]
Derivative [Line Items]                                    
Debt Instrument, Interest Rate, Stated Percentage                                   3.00%
Payments for Derivative Instrument, Investing Activities     $ 125                              
Derivative, Collateral, Obligation to Return Cash 0 0                                
Exposure to credit risk 1 4                                
Derivative, Notional Amount       163 € 23 6 € 54 $ 78 $ 41 $ 3 $ 14 $ 12 $ 19 $ 1 $ 1 $ 26 $ 50