FAIR VALUE MEASUREMENTS (Details) (USD $) In Millions, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014	Jan. 31, 2014
Fair Values of Financial Instruments
Financing receivables - net	$ 25,805.9	$ 27,422.2	$ 25,242.3
Financing receivables securitized - net	3,893.3us-gaap_LoansPledgedAsCollateral	4,602.3us-gaap_LoansPledgedAsCollateral	3,490.9us-gaap_LoansPledgedAsCollateral
Short-term securitization borrowings	3,887.9us-gaap_SecuredDebt	4,558.5us-gaap_SecuredDebt	3,490.8us-gaap_SecuredDebt
Long-term borrowings	24,106.7us-gaap_LongTermDebtNoncurrent	24,380.7us-gaap_LongTermDebtNoncurrent	22,265.2us-gaap_LongTermDebtNoncurrent
Fair Value, Level 2
Fair Values of Financial Instruments
Short-term securitization borrowings	3,891.0	4,562.0	3,492.0
Long-term borrowings due within one year	4,876	4,976	5,332
Long-term borrowings	25,031.0	24,981.0	22,721.0
Fair Value, Level 3
Fair Values of Financial Instruments
Financing receivables - net	25,733.0	27,337.0	25,129.0
Financing receivables securitized - net	3,868.0	4,573.0	3,463.0
Carrying Value
Fair Values of Financial Instruments
Financing receivables - net	25,806.0	27,422.0	25,242.0
Financing receivables securitized - net	3,893.0	4,602.0	3,491.0
Short-term securitization borrowings	3,888.0	4,559.0	3,491.0
Long-term borrowings due within one year	4,876	4,973	5,316
Long-term borrowings	24,107.0	24,381.0	22,265.0
Equipment Operations
Fair Values of Financial Instruments
Financing receivables - net	8.7	18.5	9.1
Long-term borrowings	4,622.0	4,642.5	4,828.2
Equipment Operations \| Fair Value, Level 2
Fair Values of Financial Instruments
Long-term borrowings due within one year	207	233	821
Long-term borrowings	5,344.0	5,095.0	5,102.0
Equipment Operations \| Carrying Value
Fair Values of Financial Instruments
Long-term borrowings due within one year	216	243	815
Long-term borrowings	4,622.0	4,643.0	4,828.0
Financial Services
Fair Values of Financial Instruments
Financing receivables - net	25,797.2	27,403.7	25,233.2
Financing receivables securitized - net	3,893.3	4,602.3	3,490.9
Short-term securitization borrowings	3,887.9	4,558.5	3,490.8
Long-term borrowings	19,484.7	19,738.2	17,437.0
Financial Services \| Fair Value, Level 2
Fair Values of Financial Instruments
Long-term borrowings due within one year	4,669	4,743	4,511
Long-term borrowings	19,687.0	19,886.0	17,619.0
Financial Services \| Carrying Value
Fair Values of Financial Instruments
Long-term borrowings due within one year	4,660	4,730	4,501
Long-term borrowings	$ 19,485.0	$ 19,738.0	$ 17,437.0

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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