| **Financial Instruments and Commodity Contracts - Balance Sheet Location (Details) (USD $)In Millions, unless otherwise specified** | Oct. 31, 2013 | Oct. 31, 2012 |
|-------------------------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| Other Current Assets [Member]                                                                                                       |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Asset derivatives                                                                                                                   | $ 5           | $ 0           |
| Other Current Liabilities [Member]                                                                                                  |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Liability derivatives                                                                                                               | 0             | 5             |
| Commodity Contract [Member] | Other Current Assets [Member]                                                                         |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Asset derivatives                                                                                                                   |          | 0             |
| Commodity Contract [Member] | Other Current Liabilities [Member]                                                                    |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Liability derivatives                                                                                                               |          | 3             |
| Commodity Contract [Member] | Other Assets [Member]                                                                                 |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Asset derivatives                                                                                                                   | 4             | 0             |
| Commodity Contract [Member] | Other Liabilities [Member]                                                                            |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Liability derivatives                                                                                                               | 0             | 2             |
| Interest Rate Cap [Member] | Other Assets [Member]                                                                                  |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Asset derivatives                                                                                                                   | 1             |          |
| Interest Rate Cap [Member] | Other Liabilities [Member]                                                                             |          |          |
| **Derivatives, Fair Value [Line Items]**                                                                                            |          |          |
| Asset derivatives                                                                                                                   | $ 0           |          |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959
+ Details**Name:**us-gaap_DerivativeFairValueOfDerivativeAsset**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959
+ Details**Name:**us-gaap_DerivativeFairValueOfDerivativeLiability**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_DerivativesFairValueLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |