Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 161	$ 177	$ 135	$ 172
Other comprehensive income (loss):
Foreign currency translation adjustment	9	(13)	5	(19)
Defined benefit plans, net of tax	23	29	161	92
Total other comprehensive income	32	16	166	73
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	193	193	301	245
Less: Net income attributable to non-controlling interests	5	7	16	20
Total comprehensive income attributable to Navistar International Corporation	$ 188	$ 186	$ 285	$ 225