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, 2018	Jan. 31, 2017
Earnings Per Share [Abstract]
Loss from continuing operations, net of tax	$ (73)	$ (62)
Net loss attributable to Navistar International Corporation	$ (73)	$ (62)
Basic (in shares)	98.6	81.8
Weighted Average Number Diluted Shares Outstanding Adjustment	0.0	0.0
Diluted (in shares)	98.6	81.8
Earnings Per Share, Basic	$ (0.74)	$ (0.76)
Earnings Per Share, Diluted	$ (0.74)	$ (0.76)