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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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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
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
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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
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligations including current maturities.

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Debt - Schedule of Debt Instruments (Details) - USD ($) $ in Millions	Oct. 31, 2015	Aug. 31, 2015	Oct. 31, 2014	Apr. 30, 2014	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2009
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 81
Long-term Debt	5,298
Long-term Debt and Capital Lease Obligations	4,188		$ 3,929
Line of Credit [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount		$ 10
Convertible Subordinated Debt [Member] \| Four Point Five Zero Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount					$ 1
Convertible Subordinated Debt [Member] \| Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount				$ 1
Financial Services Operations [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	0
Long-term Debt	2,100
Long-term Debt and Capital Lease Obligations, Including Current Maturities	2,100		2,266
Long-term Debt and Capital Lease Obligations, Current	1,007		1,195
Long-term Debt and Capital Lease Obligations	1,093		1,071
Financial Services Operations [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt	870		914
Financial Services Operations [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Long-term Debt	1,063		1,242
Financial Services Operations [Member] \| Commercial Paper [Member]
Debt Instrument [Line Items]
Long-term Debt	86		74
Financial Services Operations [Member] \| Borrowings Secured By Operating and Finance Leases [Member]
Debt Instrument [Line Items]
Long-term Debt	81		36
Manufacturing Operations [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	81
Long-term Debt	3,198
Long-term Debt and Capital Lease Obligations, Including Current Maturities	3,198		2,958
Long-term Debt and Capital Lease Obligations, Current	103		100
Long-term Debt and Capital Lease Obligations	3,095		2,858
Manufacturing Operations [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	17		3
Long-term Debt	1,023		694
Manufacturing Operations [Member] \| Notes Payable to Banks [Member] \| Eight Point Two Five Percent Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 18		20
Debt Instrument, Interest Rate, Stated Percentage	8.25%
Long-term Debt	$ 1,182		1,180
Manufacturing Operations [Member] \| Convertible Subordinated Debt [Member] \| Three Point Zero Percent Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.00%
Manufacturing Operations [Member] \| Convertible Subordinated Debt [Member] \| Four Point Five Zero Senior Subordinated Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 14		19
Debt Instrument, Interest Rate, Stated Percentage	4.50%				4.50%
Long-term Debt	$ 186		181
Manufacturing Operations [Member] \| Convertible Subordinated Debt [Member] \| Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 32		40
Debt Instrument, Interest Rate, Stated Percentage	4.75%			4.75%
Long-term Debt	$ 379		371
Manufacturing Operations [Member] \| Debt Of Majority Owned Dealerships [Member]
Debt Instrument [Line Items]
Long-term Debt	28		30
Manufacturing Operations [Member] \| Financing Arrangements and Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 49		54
Manufacturing Operations [Member] \| Tax Exempt Bond [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%					6.50%
Long-term Debt	$ 225		225
Manufacturing Operations [Member] \| Promissory Note [Member]
Debt Instrument [Line Items]
Long-term Debt	0		10
Manufacturing Operations [Member] \| Financed lease obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	111		184
Manufacturing Operations [Member] \| Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 15		$ 29