| **Inventories**                     | 6 Months Ended                                                                                                                                                                                                                                             |
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| **Inventory Disclosure [Abstract]** |                                                                                                                                                                                                                                                       |
| Inventories                         | InventoriesThe following table presents the components of Inventories:(in millions)April 30, 2016 October 31, 2015Finished products$859 $837Work in process49 34Raw materials312 264Total inventories, net$1,220 $1,135 |

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| - Definition
The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.
+ References
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