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		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Earnings Per Share [Abstract]
Loss from continuing operations, net of tax	$ (34)	$ (30)	$ (63)	$ (136)
Income from discontinued operations, net of tax	0	2	0	2
Net loss attributable to Navistar International Corporation	$ (34)	$ (28)	$ (63)	$ (134)
Basic (in shares)	81.7	81.6	81.7	81.5
Weighted Average Number Diluted Shares Outstanding Adjustment	0.0	0.0	0.0	0.0
Diluted (in shares)	81.7	81.6	81.7	81.5
Basic: Loss from Continuing Operations (in dollars per share)	$ (0.42)	$ (0.37)	$ (0.77)	$ (1.67)
Basic: Income (Loss) from Discontinued Operations (in dollars per share)	0.00	0.03	0.00	0.03
Basic (in dollars per share)	(0.42)	(0.34)	(0.77)	(1.64)
Diluted: Loss from Continuing Operations (in dollars per share)	(0.42)	(0.37)	(0.77)	(1.67)
Diluted: Income (Loss) from Discontinued Operations (in dollars per share)	0.00	0.03	0.00	0.03
Diluted (in dollars per share)	$ (0.42)	$ (0.34)	$ (0.77)	$ (1.64)