| **Inventories (Tables)**            | 6 Months Ended                                                                                                                                                                                                                              |
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| **Inventory Disclosure [Abstract]** |                                                                                                                                                                                                                                        |
| Schedule of inventories             | The following table presents the components of Inventories: (in millions)April 30, 2015 October 31, 2014Finished products$797 $880Work in process85 50Raw materials363 389Total inventories$1,245 $1,319 |

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| - Definition
Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5
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