| **Debt - Future Maturities (Details) (USD $)In Millions, unless otherwise specified** | Oct. 31, 2012 | Oct. 31, 2011 |
|---------------------------------------------------------------------------------------|---------------|---------------|
| **Debt Instrument [Line Items]**                                                      |          |          |
| 2013                                                                                  | $ 1,209       |          |
| 2014                                                                                  | 1,761         |          |
| 2015                                                                                  | 303           |          |
| 2016                                                                                  | 90            |          |
| 2017                                                                                  | 263           |          |
| Thereafter                                                                            | 1,232         |          |
| Total debt, including unamortized discount                                            | 4,858         |          |
| Less: Unamortized discount                                                            | 87            |          |
| Long-term Debt                                                                        | 4,771         |          |
| Manufacturing Operations [Member]                                                     |          |          |
| **Debt Instrument [Line Items]**                                                      |          |          |
| 2013                                                                                  | 176           |          |
| 2014                                                                                  | 1,609         |          |
| 2015                                                                                  | 26            |          |
| 2016                                                                                  | 11            |          |
| 2017                                                                                  | 10            |          |
| Thereafter                                                                            | 1,160         |          |
| Total debt, including unamortized discount                                            | 2,992         |          |
| Less: Unamortized discount                                                            | 87            |          |
| Long-term Debt                                                                        | 2,905         | 1,980         |
| Financial Services Operations [Member]                                                |          |          |
| **Debt Instrument [Line Items]**                                                      |          |          |
| 2013                                                                                  | 1,033         |          |
| 2014                                                                                  | 152           |          |
| 2015                                                                                  | 277           |          |
| 2016                                                                                  | 79            |          |
| 2017                                                                                  | 253           |          |
| Thereafter                                                                            | 72            |          |
| Total debt, including unamortized discount                                            | 1,866         |          |
| Less: Unamortized discount                                                            | 0             |          |
| Long-term Debt                                                                        | $ 1,866       | $ 2,876       |

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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.
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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.
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.
+ References
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| - Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.
+ References
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| - Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.
+ References
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| - Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year.
+ References
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| - Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year.
+ References
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| - Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year.
+ References
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