Segment Reporting - Summary of Segment Operations (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Jan. 31, 2015	Apr. 30, 2016	Apr. 30, 2015
Segment Reporting Information [Line Items]
External sales and revenues, net	$ 2,197	$ 2,693		$ 3,962	$ 5,114
Sales and revenues, net	2,197	2,693		3,962	5,114
Income (loss) from continuing operations, net of tax	4	(64)		(29)	(106)
Income tax expense	(16)	(18)		(11)	(25)
Interest expense	81	75		162	152
Equity in income of non-consolidated affiliates	2	1		1	3
Capital expenditures	24	28		53	45
Intersegment sales and revenues	0	0	$ 35	0	0
Segment Profit Loss	20	(46)		(18)	(81)
Depreciation, Depletion and Amortization	53	74		111	153
North America Truck [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1,459	1,933		2,540	3,564
Sales and revenues, net	1,480	1,966		2,612	3,636
Income (loss) from continuing operations, net of tax	(23)	(51)		(74)	(69)
Income tax expense	0	0		0	0
Interest expense	0	0		0	0
Equity in income of non-consolidated affiliates	1	1		2	3
Capital expenditures	19	24		44	38
Intersegment sales and revenues	21	33		72	72
Segment Profit Loss	(23)	(51)		(74)	(69)
Depreciation, Depletion and Amortization	29	47		63	99
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1	3		4	5
Sales and revenues, net	(65)	(76)		(153)	(163)
Income (loss) from continuing operations, net of tax	(173)	(169)		(318)	(347)
Income tax expense	(16)	(18)		(11)	(25)
Interest expense	62	57		124	114
Equity in income of non-consolidated affiliates	0	0		0	0
Capital expenditures	3	1		5	2
Intersegment sales and revenues	(66)	(79)		(157)	(168)
Segment Profit Loss	(157)	(151)		(307)	(322)
Depreciation, Depletion and Amortization	4	6		8	11
North America Parts [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	640	607		1,202	1,221
Sales and revenues, net	647	613		1,217	1,239
Income (loss) from continuing operations, net of tax	176	133		326	278
Income tax expense	0	0		0	0
Interest expense	0	0		0	0
Equity in income of non-consolidated affiliates	1	1		2	2
Capital expenditures	1	0		2	0
Intersegment sales and revenues	7	6		15	18
Segment Profit Loss	176	133		326	278
Depreciation, Depletion and Amortization	4	4		7	7
Global Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	64	115		148	253
Sales and revenues, net	77	130		169	282
Income (loss) from continuing operations, net of tax	(1)	1		(14)	(14)
Income tax expense	0	0		0	0
Interest expense	0	0		0	0
Equity in income of non-consolidated affiliates	0	(1)		(3)	(2)
Capital expenditures	1	1		2	3
Intersegment sales and revenues	13	15		21	29
Segment Profit Loss	(1)	1		(14)	(14)
Depreciation, Depletion and Amortization	4	5		9	12
Financial Services Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	33	35		68	71
Sales and revenues, net	58	60		117	120
Income (loss) from continuing operations, net of tax	25	22		51	46
Income tax expense	0	0		0	0
Interest expense	19	18		38	38
Equity in income of non-consolidated affiliates	0	0		0	0
Capital expenditures	0	2		0	2
Investment Income, Interest	42	44		84	89
Intersegment sales and revenues	25	25		49	49
Segment Profit Loss	25	22		51	46
Depreciation, Depletion and Amortization	$ 12	$ 12		$ 24	$ 24
Restatement Adjustment [Member] | North America Truck [Member]
Segment Reporting Information [Line Items]
Sales and revenues, net			1,670
Intersegment sales and revenues			39
Restatement Adjustment [Member] | Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Sales and revenues, net			(87)
Intersegment sales and revenues			$ (89)