Finance Receivables - Schedule of Finance Revenues (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2019	Jan. 31, 2018
Finance Revenues [Line Items]
Retail notes and finance leases revenue	$ 14	$ 11
Operating lease revenue	1
Gross finance revenues	74	59
Intercompany Revenues	27	21
Less: Intercompany revenues	29	40
Finance Revenues, Net	47	38
Financing Receivable [Member]
Finance Revenues [Line Items]
Operating lease revenue	21	18
Wholesale Portfolio [Member] \| Notes Receivable [Member]
Finance Revenues [Line Items]
Interest Income, Operating	31	25
Retail And Wholesale Portfolios [Member]
Finance Revenues [Line Items]
Interest Income, Operating	8	5
Financial Services Operations
Finance Revenues [Line Items]
Finance Revenues, Net	$ 47	$ 38

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Finance Revenues From On Balance Sheet Receivables

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Finance Revenues, Net

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Intercompany Revenues

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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
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-Topic 946
-SubTopic 220
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