| **Goodwill and Other Intangible assets, Net Intangible Assets Subject to Amortization (Details) (USD $)In Millions, unless otherwise specified** | Oct. 31, 2014                                                                                                                                            | Oct. 31, 2013                                                                                                                                            |
|--------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Finite-Lived Intangible Assets [Line Items]**                                                                                                  |                                                                                                                                                     |                                                                                                                                                     |
| Finite-Lived Intangible Assets, Gross                                                                                                            | $ 165us-gaap_FiniteLivedIntangibleAssetsGross                                                                                                            | $ 189us-gaap_FiniteLivedIntangibleAssetsGross                                                                                                            |
| Finite-Lived Intangible Assets, Accumulated Amortization                                                                                         | (109)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization                                                                                          | (97)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization                                                                                           |
| Finite-Lived Intangible Assets, Net                                                                                                              | 56us-gaap_FiniteLivedIntangibleAssetsNet                                                                                                                 | 92us-gaap_FiniteLivedIntangibleAssetsNet                                                                                                                 |
| Customer Relationships [Member]                                                                                                                  |                                                                                                                                                     |                                                                                                                                                     |
| **Finite-Lived Intangible Assets [Line Items]**                                                                                                  |                                                                                                                                                     |                                                                                                                                                     |
| Finite-Lived Intangible Assets, Gross                                                                                                            | 80us-gaap_FiniteLivedIntangibleAssetsGross/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_CustomerRelationshipsMember                     | 88us-gaap_FiniteLivedIntangibleAssetsGross/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_CustomerRelationshipsMember                     |
| Finite-Lived Intangible Assets, Accumulated Amortization                                                                                         | (60)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_CustomerRelationshipsMember | (55)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_CustomerRelationshipsMember |
| Finite-Lived Intangible Assets, Net                                                                                                              | 20us-gaap_FiniteLivedIntangibleAssetsNet/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_CustomerRelationshipsMember                       | 33us-gaap_FiniteLivedIntangibleAssetsNet/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_CustomerRelationshipsMember                       |
| Other Intangible Assets [Member]                                                                                                                 |                                                                                                                                                     |                                                                                                                                                     |
| **Finite-Lived Intangible Assets [Line Items]**                                                                                                  |                                                                                                                                                     |                                                                                                                                                     |
| Finite-Lived Intangible Assets, Gross                                                                                                            | 85us-gaap_FiniteLivedIntangibleAssetsGross/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_OtherIntangibleAssetsMember                     | 101us-gaap_FiniteLivedIntangibleAssetsGross/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_OtherIntangibleAssetsMember                    |
| Finite-Lived Intangible Assets, Accumulated Amortization                                                                                         | (49)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_OtherIntangibleAssetsMember | (42)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_OtherIntangibleAssetsMember |
| Finite-Lived Intangible Assets, Net                                                                                                              | $ 36us-gaap_FiniteLivedIntangibleAssetsNet/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_OtherIntangibleAssetsMember                     | $ 59us-gaap_FiniteLivedIntangibleAssetsNet/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_OtherIntangibleAssetsMember                     |

| 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                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| 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                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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