Segment Reporting - Summary of Segment Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Segment Reporting Information [Line Items]
External sales and revenues, net	$ 2,422	$ 2,096	$ 4,327	$ 3,759
Sales and revenues, net	2,422	2,096	4,327	3,759
Income (loss) from continuing operations, net of tax	55	(80)	(18)	(142)
Income tax expense	(7)	(6)	(22)	(10)
Interest expense	79	89	158	171
Equity in income of non-consolidated affiliates	0	2	0	5
Capital expenditures	23	20	53	66
Intersegment sales and revenues	0	0	0	0
Segment Profit Loss	62	(74)	4	(132)
Depreciation, Depletion and Amortization	54	53	109	112
North America Truck [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1,688	1,391	2,916	2,408
Sales and revenues, net	1,704	1,398	2,955	2,425
Income (loss) from continuing operations, net of tax	42	(56)	35	(125)
Income tax expense	0	0	0	0
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	1	1	1	2
Capital expenditures	30	14	55	57
Intersegment sales and revenues	16	7	39	17
Segment Profit Loss	42	(56)	35	(125)
Depreciation, Depletion and Amortization	34	31	69	68
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	4	2	7	5
Sales and revenues, net	(43)	(38)	(97)	(76)
Income (loss) from continuing operations, net of tax	(139)	(185)	(355)	(336)
Income tax expense	7	6	22	10
Interest expense	58	68	116	130
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	(8)	2	(4)	4
Intersegment sales and revenues	(47)	(40)	(104)	(81)
Segment Profit Loss	(132)	(179)	(333)	(326)
Depreciation, Depletion and Amortization	3	3	5	6
North America Parts [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	601	604	1,165	1,167
Sales and revenues, net	601	610	1,169	1,180
Income (loss) from continuing operations, net of tax	132	153	269	302
Income tax expense	0	0	0	0
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	0	1	1	2
Capital expenditures	1	1	1	1
Intersegment sales and revenues	0	6	4	13
Segment Profit Loss	132	153	269	302
Depreciation, Depletion and Amortization	1	3	3	6
Global Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	89	66	161	112
Sales and revenues, net	97	70	178	120
Income (loss) from continuing operations, net of tax	1	(7)	(6)	(11)
Income tax expense	0	0	0	0
Interest expense	0	0	0	0
Equity in income of non-consolidated affiliates	(1)	0	(2)	1
Capital expenditures	0	2	1	3
Intersegment sales and revenues	8	4	17	8
Segment Profit Loss	1	(7)	(6)	(11)
Depreciation, Depletion and Amortization	2	4	5	7
Financial Services Operations
Segment Reporting Information [Line Items]
Interest Revenue (Expense), Net	44	40	85	76
External sales and revenues, net	40	33	78	67
Sales and revenues, net	63	56	122	110
Income (loss) from continuing operations, net of tax	19	15	39	28
Income tax expense	0	0	0	0
Interest expense	21	21	42	41
Equity in income of non-consolidated affiliates	0	0	0	0
Capital expenditures	0	1	0	1
Intersegment sales and revenues	23	23	44	43
Segment Profit Loss	19	15	39	28
Depreciation, Depletion and Amortization	$ 14	$ 12	$ 27	$ 25