Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2019	Oct. 31, 2018
Disaggregation of Revenue [Line Items]
Operating lease revenue	$ 1
Extended warranty contracts [Member]
Disaggregation of Revenue [Line Items]
Contract liabilities	269	$ 255
Extended warranty contract revenue	$ 29

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

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