Segment Reporting - Summary of Segment Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Segment Reporting Information [Line Items]
External sales and revenues, net	$ 2,538	$ 2,844	$ 7,652	$ 7,798
Sales and revenues, net	2,538	2,844	7,652	7,798
Loss from continuing operations, net of tax	(30)	(3)	(136)	(550)
Income tax expense	(12)	(14)	(37)	(25)
Interest expense	75	78	227	234
Equity in income of non-consolidated affiliates	3	2	6	5
Capital expenditures	27	7	72	57
Intersegment sales and revenues	0	0	0	0
Segment Profit Loss	(18)	11	(99)	(525)
Depreciation, Depletion and Amortization	68	71	221	256
North America Truck [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1,785	1,956	5,349	5,176
Sales and revenues, net	1,834	2,002	5,470	5,342
Loss from continuing operations, net of tax	(36)	(3)	(105)	(340)
Income tax expense	0	0	0	0
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	1	1	4	3
Capital expenditures	20	4	58	42
Intersegment sales and revenues	49	46	121	166
Segment Profit Loss	(36)	(3)	(105)	(340)
Depreciation, Depletion and Amortization	40	42	139	171
North America Parts [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	614	629	1,835	1,817
Sales and revenues, net	625	644	1,864	1,860
Loss from continuing operations, net of tax	151	137	429	378
Income tax expense	0	0	0	0
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	1	1	3	3
Capital expenditures	1	0	1	5
Intersegment sales and revenues	11	15	29	43
Segment Profit Loss	151	137	429	378
Depreciation, Depletion and Amortization	4	4	11	12
Global Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	100	221	353	690
Sales and revenues, net	109	233	391	716
Loss from continuing operations, net of tax	(26)	(21)	(40)	(218)
Income tax expense	0	0	0	0
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	1	0	(1)	(1)
Capital expenditures	1	2	4	6
Intersegment sales and revenues	9	12	38	26
Segment Profit Loss	(26)	(21)	(40)	(218)
Depreciation, Depletion and Amortization	6	7	18	21
Financial Services Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	37	38	108	115
Sales and revenues, net	63	60	183	172
Loss from continuing operations, net of tax	26	24	72	71
Income tax expense	0	0	0	0
Interest expense	19	18	57	52
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	0	0	2	1
Investment Income, Interest	46	44	135	126
Intersegment sales and revenues	26	22	75	57
Segment Profit Loss	26	24	72	71
Depreciation, Depletion and Amortization	13	12	37	33
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	2	0	7	0
Sales and revenues, net	(93)	(95)	(256)	(292)
Loss from continuing operations, net of tax	(145)	(140)	(492)	(441)
Income tax expense	(12)	(14)	(37)	(25)
Interest expense	56	60	170	182
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	5	1	7	3
Intersegment sales and revenues	(95)	(95)	(263)	(292)
Segment Profit Loss	(133)	(126)	(455)	(416)
Depreciation, Depletion and Amortization	$ 5	$ 6	$ 16	$ 19