| **Goodwill and Other Intangible assets, Net Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions** | Oct. 31, 2015 | Oct. 31, 2014 |
|---------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Finite-Lived Intangible Assets [Line Items]**                                                                           |          |          |
| Finite-Lived Intangible Assets, Gross                                                                                     | $ 158         | $ 165         |
| Finite-Lived Intangible Assets, Accumulated Amortization                                                                  | (120)         | (109)         |
| Finite-Lived Intangible Assets, Net                                                                                       | 38            | 56            |
| Customer Relationships [Member]                                                                                           |          |          |
| **Finite-Lived Intangible Assets [Line Items]**                                                                           |          |          |
| Finite-Lived Intangible Assets, Gross                                                                                     | 69            | 80            |
| Finite-Lived Intangible Assets, Accumulated Amortization                                                                  | (58)          | (60)          |
| Finite-Lived Intangible Assets, Net                                                                                       | 11            | 20            |
| Other Intangible Assets [Member]                                                                                          |          |          |
| **Finite-Lived Intangible Assets [Line Items]**                                                                           |          |          |
| Finite-Lived Intangible Assets, Gross                                                                                     | 89            | 85            |
| Finite-Lived Intangible Assets, Accumulated Amortization                                                                  | (62)          | (49)          |
| Finite-Lived Intangible Assets, Net                                                                                       | $ 27          | $ 36          |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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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.
+ Details**Name:**us-gaap_FiniteLivedIntangibleAssetsLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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| X                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |