| **Debt - Manufacturing Operations (Details) (USD $)In Millions, unless otherwise specified**      | Jan. 31, 2014 | Oct. 31, 2013 |
|---------------------------------------------------------------------------------------------------|---------------|---------------|
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Debt, Current                                                                                     | $ 1,259       | $ 1,163       |
| Long-term Debt and Capital Lease Obligations                                                      | 3,605         | 3,922         |
| Manufacturing Operations [Member]                                                                 |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 3,212         | 3,219         |
| Debt, Current                                                                                     | 662           | 658           |
| Long-term Debt and Capital Lease Obligations                                                      | 2,550         | 2,561         |
| Manufacturing Operations [Member] | Line of Credit [Member]                                       |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Less: Unamortized discount                                                                        | 4             | 4             |
| Long-term Debt, net                                                                               | 693           | 693           |
| Manufacturing Operations [Member] | Notes Payable to Banks [Member]                               |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 1,178         | 1,178         |
| Manufacturing Operations [Member] | Convertible Subordinated Debt [Member]                        |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 178           | 177           |
| Manufacturing Operations [Member] | Debt Of Majority Owned Dealerships [Member]                   |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 46            | 48            |
| Manufacturing Operations [Member] | Financing Arrangements and Capital Lease Obligations [Member] |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 70            | 77            |
| Manufacturing Operations [Member] | Tax Exempt Bond [Member]                                      |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Debt Instrument, Interest Rate, Stated Percentage                                                 | 6.50%         |          |
| Long-term Debt, net                                                                               | 225           | 225           |
| Manufacturing Operations [Member] | Promissory Note [Member]                                      |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 18            | 20            |
| Manufacturing Operations [Member] | Financed lease obligations [Member]                           |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 219           | 218           |
| Manufacturing Operations [Member] | Other [Member]                                                |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | 34            | 39            |
| 2014 [Member] | Manufacturing Operations [Member] | Convertible Subordinated Debt [Member]        |          |          |
| **Debt Instrument [Line Items]**                                                                  |          |          |
| Long-term Debt, net                                                                               | $ 551         | $ 544         |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Contractual interest rate for funds borrowed, under the debt agreement.
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| X                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.
+ References
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