Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (34)	$ 161	$ (99)	$ 135
Other comprehensive income (loss):
Foreign currency translation adjustment	32	9	(79)	5
Defined benefit plans, net of tax	31	23	80	161
Total other comprehensive income	63	32	1	166
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	29	193	(98)	301
Less: Net income attributable to non-controlling interests	3		12	16
Total comprehensive income (loss) attributable to Navistar International Corporation	$ 26	$ 188	$ (110)	$ 285