Earnings (Loss) Per Share Attributable to Navistar International Corporation - Narrative (Details) $ / shares in Units, shares in Millions	3 Months Ended
Jan. 31, 2016 USD ($) $ / shares shares	Jan. 31, 2015 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	15.0	17.0
Four Point Five Zero Senior Subordinated Convertible Notes [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares related to convertible notes	3.4	3.4
Four Point Five Zero Senior Subordinated Convertible Notes [Member] \| Convertible Debt Securities [Member]
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 \| $ / shares	$ 58.40
Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt Instrument, Convertible, Conversion Ratio	18.4946
Option Indexed to Issuer's Equity, Strike Price \| $ / shares	$ 54.07
Shares related to convertible notes	7.6	7.6
Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] \| Convertible Debt Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Debt Instrument Convertible Conversion Ratio Basis \| $	$ 1,000

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Shares related to convertible notes

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

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