Sales-type and direct-financing lease receivables that are unbilled at the end of the of the reporting period.

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Represents the number of days past due after which the entity ceases to accrue interest on the receivable.

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Represents the number of days an account is past due after which the account is written off or a specific reserve is created.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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Amount of financing receivable 90 days or more past due and still accruing.

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Amount of financing receivable on nonaccrual status.

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Amount of financing receivable past due.

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Amount of decrease from sale and reclassification to held-for-sale of financing receivable.

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No definition available.

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Amount, before allowance for credit loss, of financing receivable.

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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Future rental payments receivable within the third year from the balance sheet date under an operating lease.

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Future rental payments receivable within the second year from the balance sheet date under an operating lease.

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Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

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The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.

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Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease.

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The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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Amount of decrease in valuation and qualifying accounts and reserves.

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Financing Receivables and Operating Leases (Details 3) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2019	Oct. 31, 2018
Leases [Abstract]
Sold	$ 185	$ 174
Aging and non-accrual status of gross financing receivables
Unbilled sales-type and direct-financing lease receivables				$ 8,186	$ 7,852
Gross financing receivables on non-accrual status				276	226
Gross financing receivables 90 days past due and still accruing interest				121	113
Period past due, after which a write-off or specific reserve is created	180 days
Allowance for doubtful accounts
Balance at beginning of year	$ 120	86	$ 89
Provision for doubtful accounts	33	49	23
Write-offs	(22)	(15)	(26)
Balance at end of year	131	120	86
Gross financing receivables collectively evaluated for loss				8,255	7,917
Gross financing receivables individually evaluated for loss				397	339
Financing receivables, gross				8,652	8,256
Allowance for financing receivables collectively evaluated for loss				84	78
Allowance for financing receivables individually evaluated for loss				47	42
Total	$ 120	$ 120	$ 89	131	120
Period past due, after which account is put on non-accrual status	90 days
Operating lease assets
Equipment leased to customers				7,185	7,290
Accumulated depreciation				(3,101)	(3,078)
Operating lease assets, net				4,084	4,212
Minimum future rentals on non-cancelable operating leases:
2020				1,847
2021				1,162
2022				437
2023				91
2024				27
Thereafter				2
Total				3,566
Low
Allowance for doubtful accounts
Financing receivables, gross				4,432	4,238
Moderate
Allowance for doubtful accounts
Financing receivables, gross				3,933	3,805
High
Allowance for doubtful accounts
Financing receivables, gross				287	213
Current 1-30 days
Aging and non-accrual status of gross financing receivables
Past due				301	275
Past due 31-60 days
Aging and non-accrual status of gross financing receivables
Past due				62	42
Past due 61-90 days
Aging and non-accrual status of gross financing receivables
Past due				15	13
Past due 90 days
Aging and non-accrual status of gross financing receivables
Past due				$ 88	$ 74