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[Line Items] for Statements of Operations for Discontinued Operations [Table]

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Discontinued Operations - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended							12 Months Ended
Discontinued Operations - Narrative (Details) $ in Millions	Oct. 31, 2013 USD ($)	Oct. 31, 2015 USD ($)	Jul. 31, 2015 USD ($)	Jan. 31, 2015 USD ($)	Apr. 30, 2014 USD ($)	Jan. 31, 2014 USD ($)	Oct. 31, 2013 USD ($)	Apr. 30, 2013 USD ($)	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($) dealcor	Oct. 31, 2013 USD ($) dealcor	Oct. 31, 2012 USD ($)
Statements of Operations for Discontinued Operations [Line Items]
Amortization of Intangible Assets									$ 10	$ 18	$ 22
Indefinite-Lived Intangible Assets (Excluding Goodwill)		$ 19							19	34
Proceeds from Divestiture of Businesses											33
Asset impairment charges									30	183	97
Impairment of Intangible Assets (Excluding Goodwill)									30	$ 183	$ 105
Number of Dealcors \| dealcor										1	2
Goodwill	$ 184	38					$ 184		38	$ 38	$ 184	$ 280
Goodwill, Impairment Loss									0	142	81
North America Parts [Member]
Statements of Operations for Discontinued Operations [Line Items]
Goodwill	38	38					38		38	38	38	38
Goodwill, Impairment Loss									0	0	0
North America Truck [Member]
Statements of Operations for Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	16
Asset impairment charges						$ 19				33
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		4	$ 3	$ 7
Goodwill	$ 0	$ 0					0		0	0	0	$ 82
Goodwill, Impairment Loss							77	$ 4	0	0	81
MONACO
Statements of Operations for Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses							19
Asset impairment charges							$ 24
Mahindra [Member]
Statements of Operations for Discontinued Operations [Line Items]
Gain (Loss) on Disposition of Business											26
Bison Coach [Member]
Statements of Operations for Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses											16
Brazilian Reporting Unit [Member]
Statements of Operations for Discontinued Operations [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)			24		$ 43
Asset impairment charges					149
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			$ 3		7				7	7	0
Goodwill					$ 142
Goodwill, Impairment Loss									$ 0	$ 142	$ 81