Earnings (Loss) Per Share Attributable to Navistar International Corporation - Basic & Diluted Loss per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Income (loss) from continuing operations, net of tax	$ 11	$ (73)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	17	(66)
Net loss attributable to Navistar International Corporation	$ 11	$ (73)
Basic (in shares)	99.1	98.6
Weighted Average Number Diluted Shares Outstanding Adjustment	0.3	0.0
Diluted (in shares)	99.4	98.6
Earnings Per Share, Basic	$ 0.11	$ (0.74)
Earnings Per Share, Diluted	$ 0.11	$ (0.74)
Retained Earnings [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 11	$ (73)