Stockholders' Deficit Accumulated Other Comprehensive Income (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended
	Feb. 28, 2017	Jan. 31, 2018	Jan. 31, 2017	Oct. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Beginning Balance		$ (2,211)	$ (2,640)
Other comprehensive loss before reclassifications		20	(12)
Amounts reclassified out of accumulated other comprehensive loss		37	35
Net current-period other comprehensive income (loss)		57	23
Accumulated Other Comprehensive Loss, Ending Balance		(2,154)	(2,617)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax		9	0
Tax expense		(15)	(4)
Net income (loss) attributable to Navistar International Corporation		$ (73)	(62)
Common stock, shares authorized		220.0		220.0
Common stock, par value		$ 0.1		$ 0.10
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Beginning Balance		$ 0	1
Other comprehensive loss before reclassifications		0	0
Amounts reclassified out of accumulated other comprehensive loss		0	0
Net current-period other comprehensive income (loss)		0	0
Accumulated Other Comprehensive Loss, Ending Balance		0	1
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Beginning Balance		(283)	(280)
Other comprehensive loss before reclassifications		22	(12)
Amounts reclassified out of accumulated other comprehensive loss		0	0
Net current-period other comprehensive income (loss)		22	(12)
Accumulated Other Comprehensive Loss, Ending Balance		(261)	(292)
Pension Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Loss, Beginning Balance		(1,928)	(2,361)
Other comprehensive loss before reclassifications		(2)	0
Amounts reclassified out of accumulated other comprehensive loss		37	35
Net current-period other comprehensive income (loss)		35	35
Accumulated Other Comprehensive Loss, Ending Balance		(1,893)	(2,326)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension Benefits
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Amortization of actuarial loss		28	35
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		(37)	(35)
Tax expense		0	0
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent		$ 37	$ 35
Volkswagen Truck and Bus GmbH [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stock Purchase Agreement, Ownership Percentage Transferred to Acquirer, Pro Forma	16.60%
Stock Purchase Agreement, Ownership Percentage Transferred to Acquirer	19.90%
Stock Issued During Period, Shares, New Issues	16.2
Share Price		$ 15.76
Issuance of common stock		$ 256