| **Discontinued Operations (Tables)**                                    | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
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| **Discontinued Operations and Disposal Groups [Abstract]**              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| Statements of Operations for Discontinued Operations [Table Text Block] | The following table summarizes the discontinued operations activity in the Company's Consolidated Statements of Operations:  Three Months Ended April 30, Six Months Ended April 30,(in millions)2013 2012 2013 2012Sales and revenues, net$36 $37 $70 $80        Loss before income taxes$(21) $(44) $(30) $(58)Income tax benefit— 10 — 15Loss from discontinued operations, net of tax$(21) $(34) $(30) $(43) |

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