| **Inventories**                     | 12 Months Ended                                                                                                                                                                                                                                                                    |
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| **Inventory Disclosure [Abstract]** |                                                                                                                                                                                                                                                                               |
| Inventories                         | InventoriesThe following table presents the components of Inventories in our Consolidated Balance Sheets: As of October 31,(in millions)2016 2015Finished products$678 $837Work in process46 34Raw materials220 264Total inventories, net$944 $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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