Segment Reporting - Summary of Segment Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Oct. 31, 2019
Segment Reporting Information [Line Items]
External sales and revenues, net	$ 1,838	$ 2,433
Segment Assets	6,363		$ 6,917
Intersegment sales and revenues	0	0
Sales and revenues, net	1,838	2,433
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(36)	11
Income Tax Expense (Benefit)	(5)	(19)
Segment Profit Loss	(41)	(8)
Depreciation, Depletion and Amortization	50	48
Interest expense	65	85
Equity in loss of non-consolidated affiliates	(1)	0
Capital expenditures	59	44
North America Truck [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1,238	1,776
Segment Assets	1,844		1,705
Intersegment sales and revenues	4	21
Sales and revenues, net	1,238	1,776
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(58)	90
Income Tax Expense (Benefit)	0	0
Segment Profit Loss	(58)	90
Depreciation, Depletion and Amortization	27	26
Interest expense	0	0
Equity in loss of non-consolidated affiliates	(1)	1
Capital expenditures	47	31
North America Parts [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	492	546
Segment Assets	705		688
Intersegment sales and revenues	1	2
Sales and revenues, net	492	546
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	119	144
Income Tax Expense (Benefit)	0	0
Segment Profit Loss	119	144
Depreciation, Depletion and Amortization	2	1
Interest expense	0	0
Equity in loss of non-consolidated affiliates	0	1
Capital expenditures	5	2
Global Operations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	61	61
Segment Assets	274		296
Intersegment sales and revenues	7	12
Sales and revenues, net	61	61
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	0	6
Income Tax Expense (Benefit)	0	0
Segment Profit Loss	0	6
Depreciation, Depletion and Amortization	2	2
Interest expense	0	0
Equity in loss of non-consolidated affiliates	0	(1)
Capital expenditures	1	1
Financial Services Operations
Segment Reporting Information [Line Items]
Interest Revenue (Expense), Net	35	53
External sales and revenues, net	46	47
Segment Assets	2,380		2,774
Intersegment sales and revenues	11	27
Sales and revenues, net	46	47
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	17	31
Income Tax Expense (Benefit)	0	0
Segment Profit Loss	17	31
Depreciation, Depletion and Amortization	17	16
Interest expense	19	29
Equity in loss of non-consolidated affiliates	0	0
Capital expenditures	0	1
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
External sales and revenues, net	1	3
Segment Assets	1,160		$ 1,454
Intersegment sales and revenues	(23)	(62)
Sales and revenues, net	1	3
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	(114)	(260)
Income Tax Expense (Benefit)	5	19
Segment Profit Loss	(119)	(279)
Depreciation, Depletion and Amortization	2	3
Interest expense	46	56
Equity in loss of non-consolidated affiliates	0	(1)
Capital expenditures	$ 6	$ 9