Loss Per Share Attributable to Navistar International Corporation - Basic & Diluted Loss per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Earnings Per Share [Abstract]
Income (loss) from continuing operations, net of tax	$ (237)	$ 80	$ (704)	$ (202)
Income (loss) from discontinued operations, net of tax	(10)	4	(40)	(39)
Net income (loss) attributable to Navistar International Corporation	$ (247)	$ 84	$ (744)	$ (241)
Weighted Average Number of Shares Outstanding, Basic	80.6	68.7	80.4	69.1
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0.2	0	0
Weighted Average Number of Shares Outstanding, Diluted	80.6	68.9	80.4	69.1
Basic: Loss from Continuing Operations (in dollars per share)	$ (2.94)	$ 1.16	$ (8.76)	$ (2.92)
Basic: Loss from Discontinued Operations (in dollars per share)	$ (0.12)	$ 0.06	$ (0.49)	$ (0.57)
Earnings Per Share, Basic	$ (3.06)	$ 1.22	$ (9.25)	$ (3.49)
Diluted: Loss from Continuing Operations (in dollars per share)	$ (2.94)	$ 1.16	$ (8.76)	$ (2.92)
Diluted: Loss from Discontinued Operations (in dollars per share)	$ (0.12)	$ 0.06	$ (0.49)	$ (0.57)
Earnings Per Share, Diluted	$ (3.06)	$ 1.22	$ (9.25)	$ (3.49)