Finance Receivables - Schedule of Finance Revenues (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Finance Revenues [Line Items]
Retail notes and finance leases revenue	$ 60	$ 50	$ 41
Operating lease revenue	11	24	26
Gross finance revenues	297	257	235
Less: Intercompany revenues	104	97	93
Finance revenues	193	160	142
Financing Receivable [Member]
Finance Revenues [Line Items]
Operating lease revenue	86	72	68
Wholesale Portfolio [Member] \| Notes Receivable [Member]
Finance Revenues [Line Items]
Interest Income, Operating	118	105	102
Retail And Wholesale Portfolios [Member]
Finance Revenues [Line Items]
Interest Income, Operating	$ 33	$ 30	$ 24

Finance Revenue [Line Items]

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Finance Revenues From On Balance Sheet Receivables

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Finance Revenues, Net

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Retail Notes And Finance Leases Revenue

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Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
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