Goodwill and Other Intangible assets, Net Changes in Carrying Amounts of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Oct. 31, 2013	Apr. 30, 2013	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Goodwill [Roll Forward]
Goodwill			$ 38	$ 184	$ 280
Goodwill, Translation Adjustments				(4)	(12)
Goodwill, Subsequent Recognition of Deferred Tax Asset					(3)
Goodwill, Impairment Loss			0	(142)	(81)
Goodwill	$ 184		38	38	184
North America Truck [Member]
Goodwill [Roll Forward]
Goodwill			0	0	82
Goodwill, Translation Adjustments				0	0
Goodwill, Subsequent Recognition of Deferred Tax Asset					(1)
Goodwill, Impairment Loss	(77)	$ (4)	0	0	(81)
Goodwill	0		0	0	0
North America Parts [Member]
Goodwill [Roll Forward]
Goodwill			38	38	38
Goodwill, Translation Adjustments				0	0
Goodwill, Subsequent Recognition of Deferred Tax Asset					0
Goodwill, Impairment Loss			0	0	0
Goodwill	38		38	38	38
Global Operations [Member]
Goodwill [Roll Forward]
Goodwill			0	146	160
Goodwill, Translation Adjustments				(4)	(12)
Goodwill, Subsequent Recognition of Deferred Tax Asset					(2)
Goodwill, Impairment Loss			0	(142)	0
Goodwill	$ 146		$ 0	$ 0	$ 146