| **Financial Instruments and Commodity Contracts (Tables)**              | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
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| **Derivative Instruments and Hedging Activities Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Fair value of derivatives recorded in the Consolidated Balance Sheets   | The fair values of all derivatives are recorded as assets or liabilities on a gross basis in our Consolidated Balance Sheets. The fair values of our derivatives and their respective balance sheet locations are presented in the following tables:  January 31, 2013 Asset Derivatives Liability Derivatives(in millions)Location inConsolidated Balance Sheets Fair Value Location inConsolidated Balance Sheets Fair ValueCommodity contractsOther current assets $— Other current liabilities $3Foreign currency contractsOther current assets 2 Other current liabilities 1Total fair value $2   $4         October 31, 2012 Asset Derivatives Liability Derivatives(in millions)Location inConsolidated Balance Sheets Fair Value Location inConsolidated Balance Sheets Fair ValueCommodity contractsOther current assets $— Other current liabilities $3Commodity contractsOther noncurrent assets — Other noncurrent liabilities 2Total fair value $—   $5 |
| Location and amount of gain (loss) recognized in income on derivatives  | The location and amount of loss (gain) recognized in income on derivatives are as follows: Location in Consolidated Statements of Operations Three Months Ended January 31,(in millions)2013 2012Cross currency swapsOther expense (income), net $— $1Foreign currency contractsOther expense (income), net 1 (4)Commodity forward contractsCosts of products sold — (1)Total loss (gain) $1 $(4)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |

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| - Definition
Tabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example,  (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges.
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| - Definition
Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.
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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.
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