Finance Receivables Finance Revenues (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Finance revenues from on-balance sheet receivables:
Retail notes and finance leases revenue	$ 32	$ 46	$ 108	$ 144
Operating lease revenue	8	8	23	25
Total finance revenues from on-balance sheet receivables	73	68	227	201
Revenues from off-balance sheet securitization:
Gross finance revenues	73	82	229	233
Less: Intercompany revenues	26	23	75	70
Finance revenues	47	59	154	163
Notes Receivable [Member] \| Wholesale Portfolio [Member]
Finance revenues from on-balance sheet receivables:
Finance revenues interest income	25	9	76	18
Retail And Wholesale Portfolios [Member] \| Accounts Receivable [Member]
Finance revenues from on-balance sheet receivables:
Finance revenues interest income	8	5	20	14
Off Balance Sheet Securitization Transactions [Member]
Revenues from off-balance sheet securitization:
Fair value adjustment	0	14	1	35
Excess spread income	0	10	0	30
Servicing fees revenue	0	2	0	6
Gain (loss) on sale of finance receivables	0	(12)	1	(39)
Securitization income	0	14	2	32
Cash flows from off-balance sheet securitization transactions:
Proceeds from finance receivables		665	2,692
Servicing fees		2	6
Cash from net excess spread		10	31
Net cash from securitization transactions		$ 677	$ 2,729

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Cash Flows Between Transferor And Transferee Net Cash From Securitization Transactions

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Finance Revenues Excess Spread Income

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Finance Revenues From On Balance Sheet Receivables

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Gross Finance Revenues

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Retail Notes And Finance Leases Revenue

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Revenue From Off Balance Sheet Securitization Fair Value Adjustments

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Securitization Income

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Cash Flows between a transferor and a transferee attributable to newly transferred assets related to either a securitization, asset-backed financing arrangement, or similar transfer in which the transferor has continuing involvement with the transferred financial assets underlying the transaction (including, but not limited to, servicing, recourse, and restrictions on transferor's interests in the transferred financial assets).

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Total fees and commissions earned from providing services such as leasing of space or maintaining: (1) depositor accounts; (2) transfer agent; (3) fiduciary and trust; (4) brokerage and underwriting; (5) mortgage; (6) credit cards; (7) correspondent clearing; and (8) other such services and activities performed for others.

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Interest generated from day to day operating activities of the business. This element represents a revenue generating activity and is therefore gross (before any related cost of revenue items).

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The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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