Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (43)	$ 61	$ (26)	$ (5)
Other comprehensive income (loss):
Foreign currency translation adjustment	(18)	(28)	(4)	(6)
Defined benefit plans, net of tax	23	28	138	63
Total other comprehensive income	5	0	134	57
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	(38)	61	108	52
Less: Net income attributable to non-controlling interests	5	6	11	13
Total comprehensive income (loss) attributable to Navistar International Corporation	$ (43)	$ 55	$ 97	$ 39