| **Goodwill and Other Intangible assets, Net Intangible Assets Not Subject to Amortization (Details) (USD $)In Millions, unless otherwise specified** | Oct. 31, 2014                                                                                                                                     | Oct. 31, 2013                                                                                                                                     |
|------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------|
| **Indefinite-lived Intangible Assets [Line Items]**                                                                                                  |                                                                                                                                              |                                                                                                                                              |
| Indefinite-Lived Intangible Assets (Excluding Goodwill)                                                                                              | $ 34us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill                                                                                      | $ 46us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill                                                                                      |
| Franchise Rights [Member]                                                                                                                            |                                                                                                                                              |                                                                                                                                              |
| **Indefinite-lived Intangible Assets [Line Items]**                                                                                                  |                                                                                                                                              |                                                                                                                                              |
| Indefinite-Lived Intangible Assets (Excluding Goodwill)                                                                                              | 1us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_FranchiseRightsMember | 1us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_FranchiseRightsMember |
| Trademarks [Member]                                                                                                                                  |                                                                                                                                              |                                                                                                                                              |
| **Indefinite-lived Intangible Assets [Line Items]**                                                                                                  |                                                                                                                                              |                                                                                                                                              |
| Indefinite-Lived Intangible Assets (Excluding Goodwill)                                                                                              | $ 33us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_TrademarksMember   | $ 45us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis= us-gaap_TrademarksMember   |

| X                                                                                                                                                                                        |
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| - Definition
Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.
+ 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 (b) -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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