Segment Reporting - Summary of Segment Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Segment Reporting Information [Line Items]
External sales and revenues, net	$ 2,606	$ 2,213	$ 6,933	$ 5,972
Sales and revenues, net	2,606	2,213	6,933	5,972
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	170	36	152	(106)
Income tax expense	(3)	0	(25)	(10)
Interest expense	82	91	240	262
Equity in income of non-consolidated affiliates	0	1	0	6
Capital expenditures	26	27	79	93
Intersegment sales and revenues	0	0	0	0
Segment Profit Loss	173	36	177	(96)
Depreciation, Depletion and Amortization	51	57	160	169
North America Truck [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1,894	1,521	4,810	3,929
Sales and revenues, net	1,916	1,531	4,871	3,956
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	165	7	200	(118)
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	21	74	78
Intersegment sales and revenues	22	10	61	27
Segment Profit Loss	165	7	200	(118)
Depreciation, Depletion and Amortization	31	35	100	103
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1	3	8	8
Sales and revenues, net	(69)	(50)	(166)	(126)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(166)	(154)	(521)	(490)
Income tax expense	3	0	25	10
Interest expense	60	67	176	197
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	5	3	1	7
Intersegment sales and revenues	(70)	(53)	(174)	(134)
Segment Profit Loss	(163)	(154)	(496)	(480)
Depreciation, Depletion and Amortization	1	3	6	9
North America Parts [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	603	580	1,768	1,747
Sales and revenues, net	605	586	1,774	1,766
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	144	157	413	459
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	0	1	1	2
Intersegment sales and revenues	2	6	6	19
Segment Profit Loss	144	157	413	459
Depreciation, Depletion and Amortization	2	3	5	9
Global Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	68	74	229	186
Sales and revenues, net	89	84	267	204
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	4	3	(2)	(8)
Income tax expense	0	0	0	0
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	(2)	(1)	(4)	0
Capital expenditures	1	2	2	5
Intersegment sales and revenues	21	10	38	18
Segment Profit Loss	4	3	(2)	(8)
Depreciation, Depletion and Amortization	3	3	8	10
Financial Services Operations
Segment Reporting Information [Line Items]
Interest Revenue (Expense), Net	46	45	131	121
External sales and revenues, net	40	35	118	102
Sales and revenues, net	65	62	187	172
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	23	23	62	51
Income tax expense	0	0	0	0
Interest expense	22	24	64	65
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	1	0	1	1
Intersegment sales and revenues	25	27	69	70
Segment Profit Loss	23	23	62	51
Depreciation, Depletion and Amortization	$ 14	$ 13	$ 41	$ 38