Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Apr. 30, 2017	Oct. 31, 2016	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset impairment charges	$ 5		$ 3	$ 7	$ 5
Goodwill	$ 38	$ 38		38
Cash and Cash Equivalents, Maturity Term		90 days
Marketable Securities, Maturity Term		90 days
North America Truck [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset impairment charges				$ 7
Tax Exempt Bond [Member] | Manufacturing Operations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%			6.50%