Loss Per Share Attributable to Navistar International Corporation - Narrative (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	29.9	28.5	0.9
Shares related to warrants	11.3	11.3
Shares related to convertible notes	0.9	11.3
Convertible Debt Securities [Domain]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt Instrument, Convertible, Conversion Ratio	17.1233
Debt Instrument Convertible Conversion Ratio Basis	$ 1,000
Debt Instrument, Convertible, Conversion Price	$ 58.40
Investment Warrants, Exercise Price	$ 60.14
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	11.3
2014 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares related to convertible notes	11.3
2014 [Member] | Convertible Debt Securities [Domain]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt Instrument, Convertible, Conversion Ratio	19.891
Debt Instrument Convertible Conversion Ratio Basis	$ 1,000
Debt Instrument, Convertible, Conversion Price	$ 50.27