Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 61	$ (75)	$ (5)	$ (129)
Other comprehensive income (loss):
Foreign currency translation adjustment	(28)	4	(6)	(8)
Defined benefit plans, net of tax	28	34	63	69
Total other comprehensive income	0	38	57	61
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	61	(37)	52	(68)
Less: Net income attributable to non-controlling interests	6	5		13
Total comprehensive income (loss) attributable to Navistar International Corporation	$ 55	$ (42)	$ 39	$ (81)