| **Financial Instruments and Commodity Contracts - Foreign Currency Contracts (Details) - Foreign Exchange Contract [Member] € in Millions, CAD in Millions**                                                                                                                                                                               | Jul. 31, 2015 EUR (€) | Jul. 31, 2015 CAD | Oct. 31, 2014 EUR (€) |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------|-------------------|-----------------------------|
| Euro Member Countries, Euro | Maturing Aug 2015 - Oct 2015 [Member]                                                                                                                                                                                                                                                                              |                             |              |                        |   |
| **Derivative [Line Items]**                                                                                                                                                                                                                                                                                                                      |                             |              |                        |   |
| Derivative, Notional Amount Expiring Monthly                                                                                                                                                                                                                                                                                                     |                             | € 4         |                        |   |
| Derivative, Notional Amount                                                                                                                                                                                                                                                                                                                      | [1]                         | € 12        |                        |   |
| Euro Member Countries, Euro | Maturing Nov 2014 [Member]                                                                                                                                                                                                                                                                                         |                             |              |                        |   |
| **Derivative [Line Items]**                                                                                                                                                                                                                                                                                                                      |                             |              |                        |   |
| Derivative, Notional Amount                                                                                                                                                                                                                                                                                                                      |                             |              |                        | € 4 |
| Euro Member Countries, Euro | Maturing Dec 2014 [Member]                                                                                                                                                                                                                                                                                         |                             |              |                        |   |
| **Derivative [Line Items]**                                                                                                                                                                                                                                                                                                                      |                             |              |                        |   |
| Derivative, Notional Amount                                                                                                                                                                                                                                                                                                                      |                             |              |                        | 4 |
| Euro Member Countries, Euro | Maturing Jan 2015 [Member]                                                                                                                                                                                                                                                                                         |                             |              |                        |   |
| **Derivative [Line Items]**                                                                                                                                                                                                                                                                                                                      |                             |              |                        |   |
| Derivative, Notional Amount                                                                                                                                                                                                                                                                                                                      |                             |              |                        | 5 |
| Euro Member Countries, Euro | Maturing Feb 2015 - Oct 2015 [Member]                                                                                                                                                                                                                                                                              |                             |              |                        |   |
| **Derivative [Line Items]**                                                                                                                                                                                                                                                                                                                      |                             |              |                        |   |
| Derivative, Notional Amount Expiring Monthly                                                                                                                                                                                                                                                                                                     |                             |              |                        | 1 |
| Derivative, Notional Amount                                                                                                                                                                                                                                                                                                                      | [2]                         |              |                        | € 9 |
| Canada, Dollars | Maturing Aug 2015 - Oct 2015 [Member]                                                                                                                                                                                                                                                                                          |                             |              |                        |   |
| **Derivative [Line Items]**                                                                                                                                                                                                                                                                                                                      |                             |              |                        |   |
| Derivative, Notional Amount Expiring Monthly | CAD                                                                                                                                                                                                                                                                                               |                             |              | CAD 25                      |   |
| Derivative, Notional Amount | CAD                                                                                                                                                                                                                                                                                                                | [3]                         |              | 100                         |   |
| Mexican Pesos | Maturing August 2015 [Member]                                                                                                                                                                                                                                                                                                    |                             |              |                        |   |
| **Derivative [Line Items]**                                                                                                                                                                                                                                                                                                                      |                             |              |                        |   |
| Derivative, Notional Amount | CAD                                                                                                                                                                                                                                                                                                                | [3]                         |              | CAD 813                     |   |
|                                                                                                                                                                                                                                                                                                                                                  |
| [1]Forward exchange contracts of €4 million mature each month from August 2015 through October 2015.[2]Forward exchange contracts of €1 million mature on the last day of each month from February 2015 through October 2015.[3]Forward exchange contracts of C$25 million settle each month from August 2015 through November 2015. |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B
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| X                                                                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Derivative, Notional Amount Expiring Monthly
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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| X                                                                                                                                                                  |
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| X                                                                                                                         |
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| X                                                                                                                                                       |
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| X                                                                                                                         |
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| X                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                   |
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