Segment Reporting - Summary of Segment Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
Segment Reporting Information [Line Items]
External sales and revenues, net	$ 2,422	$ 2,096	$ 4,327	$ 3,759
Segment Assets	6,487		6,487		$ 6,135
Intersegment sales and revenues	0	0	0	0
Sales and revenues, net	2,422	2,096	4,327	3,759
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	55	(80)	(18)	(142)
Income Tax Expense (Benefit)	7	6	22	10
Segment Profit Loss	62	(74)	4	(132)
Depreciation, Depletion and Amortization	54	53	109	112
Interest expense	79	89	158	171
Equity in income of non-consolidated affiliates	0	2	0	5
Capital expenditures	23	20	53	66
North America Truck [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1,688	1,391	2,916	2,408
Segment Assets	1,902		1,902		1,621
Intersegment sales and revenues	16	7	39	17
Sales and revenues, net	1,704	1,398	2,955	2,425
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	42	(56)	35	(125)
Income Tax Expense (Benefit)	0	0	0	0
Segment Profit Loss	42	(56)	35	(125)
Depreciation, Depletion and Amortization	34	31	69	68
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	1	1	1	2
Capital expenditures	30	14	55	57
North America Parts [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	601	604	1,165	1,167
Segment Assets	632		632		632
Intersegment sales and revenues	0	6	4	13
Sales and revenues, net	601	610	1,169	1,180
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	132	153	269	302
Income Tax Expense (Benefit)	0	0	0	0
Segment Profit Loss	132	153	269	302
Depreciation, Depletion and Amortization	1	3	3	6
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	0	1	1	2
Capital expenditures	1	1	1	1
Global Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	89	66	161	112
Segment Assets	345		345		378
Intersegment sales and revenues	8	4	17	8
Sales and revenues, net	97	70	178	120
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	1	(7)	(6)	(11)
Income Tax Expense (Benefit)	0	0	0	0
Segment Profit Loss	1	(7)	(6)	(11)
Depreciation, Depletion and Amortization	2	4	5	7
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	(1)	0	(2)	1
Capital expenditures	0	2	1	3
Financial Services Operations
Segment Reporting Information [Line Items]
External sales and revenues, net	40	33	78	67
Segment Assets	2,298		2,298		2,207
Intersegment sales and revenues	23	23	44	43
Sales and revenues, net	63	56	122	110
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	19	15	39	28
Income Tax Expense (Benefit)	0	0	0	0
Segment Profit Loss	19	15	39	28
Depreciation, Depletion and Amortization	14	12	27	25
Interest expense	21	21	42	41
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	0	1	0	1
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	4	2	7	5
Segment Assets	1,310		1,310		$ 1,297
Intersegment sales and revenues	(47)	(40)	(104)	(81)
Sales and revenues, net	(43)	(38)	(97)	(76)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(139)	(185)	(355)	(336)
Income Tax Expense (Benefit)	(7)	(6)	(22)	(10)
Segment Profit Loss	(132)	(179)	(333)	(326)
Depreciation, Depletion and Amortization	3	3	5	6
Interest expense	58	68	116	130
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	$ (8)	$ 2	$ (4)	$ 4