Debt - Manufacturing Operations (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Debt Instrument [Line Items]
Less: Unamortized discount	$ 75
Long-term Debt, net	5,085
Debt, Current	1,163	1,205
Long-term Debt and Capital Lease Obligations	3,922	3,566
Manufacturing Operations [Member]
Debt Instrument [Line Items]
Less: Unamortized discount	75
Long-term Debt, net	3,219	2,905
Debt, Current	658	172
Long-term Debt and Capital Lease Obligations	2,561	2,733
Manufacturing Operations [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Less: Unamortized discount	4	9
Long-term Debt, net	693	991
Manufacturing Operations [Member] \| Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.25%
Long-term Debt, net	1,178	872
Manufacturing Operations [Member] \| Convertible Subordinated Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, net	177	0
Manufacturing Operations [Member] \| Debt Of Majority Owned Dealerships [Member]
Debt Instrument [Line Items]
Long-term Debt, net	48	60
Manufacturing Operations [Member] \| Financing Arrangements and Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, net	77	140
Manufacturing Operations [Member] \| Tax Exempt Bond [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%	6.50%
Long-term Debt, net	225	225
Manufacturing Operations [Member] \| Promissory Note [Member]
Debt Instrument [Line Items]
Long-term Debt, net	20	30
Manufacturing Operations [Member] \| Financed lease obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, net	218	0
Manufacturing Operations [Member] \| Other [Member]
Debt Instrument [Line Items]
Long-term Debt, net	39	67
Financial Services Operations [Member]
Debt Instrument [Line Items]
Less: Unamortized discount	0
Long-term Debt, net	1,866	1,866
Debt, Current	505	1,033
Long-term Debt and Capital Lease Obligations	1,361	833
Financial Services Operations [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Long-term Debt, net	1,018	763
2014 [Member] \| Manufacturing Operations [Member] \| Convertible Subordinated Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, net	$ 544	$ 520

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- 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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-Name Regulation S-X (SX)

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