| **Financial Instruments and Commodity Contracts (Tables)**              | 9 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. At October 31, 2011 and 2010, the fair values of our derivatives and their respective balance sheet locations are presented in the following table:   As of October 31, 2011  Asset Derivatives Liability Derivatives(in millions) Location inConsolidated Balance Sheets Fair Value Location inConsolidated Balance Sheets Fair ValueForeign currency contracts Other current assets $3 Other current liabilities $—Cross currency swaps Other current assets — Other current liabilities 4Commodity contracts Other current assets 1 Other current liabilities 6Total fair value   $4   $10           As of October 31, 2010  Asset Derivatives Liability Derivatives(in millions) Location inConsolidated Balance Sheets Fair Value Location inConsolidated Balance Sheets Fair ValueForeign currency contracts Other current assets $8 Other current liabilities $—Commodity contracts Other current assets 2 Other current liabilities 4Total fair value   $10   $4 |
| Location and amount of gain (loss) recognized in income on derivatives  | The location and amount of gain (loss) recognized in income on derivatives are as follows for the years ended October 31: Location inConsolidated Statements of Operations Amount of Gain(Loss) Recognized 2011 2010 2009(in millions)       Interest rate swapsInterest expense $— $(5) $(44)Interest rate caps purchasedInterest expense — (3) 2Interest rate caps soldInterest expense — 3 (1)Cross currency swapsOther income, net (8) — —Foreign currency contractsOther income, net 4 8 5Commodity forward contractsCosts of products sold 14 1 (6)Total gain (loss)  $10 $4 $(44)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |

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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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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 4C -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624171-113959Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -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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| - 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 Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959Reference 2: 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 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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