Debt - Narrative (Details) In Millions, unless otherwise specified								1 Months Ended
	Jan. 31, 2014 Manufacturing Operations [Member] USD ($)	Oct. 31, 2013 Manufacturing Operations [Member] USD ($)	Jan. 31, 2014 Financial Services Operations [Member] USD ($)	Oct. 31, 2013 Financial Services Operations [Member] USD ($)	Dec. 31, 2013 International Truck Leasing Corporation [Member] Financial Services Operations [Member] USD ($)	Jan. 31, 2014 Notes Payable, Other Payables [Member] Manufacturing Operations [Member] USD ($)	Oct. 31, 2013 Notes Payable, Other Payables [Member] Manufacturing Operations [Member] USD ($)	Nov. 30, 2013 Notes Payable, Other Payables [Member] Financial Services Operations [Member] Investor Notes Maturing 2018 [Member] USD ($)	Nov. 30, 2013 Notes Payable, Other Payables [Member] Financial Services Operations [Member] Investor Notes Maturing 2018 [Member] MXN	Jan. 31, 2014 Convertible Subordinated Debt [Member] 4.50% Senior Subordinated Convertible Notes [Member] USD ($)	Oct. 31, 2013 Convertible Subordinated Debt [Member] 4.50% Senior Subordinated Convertible Notes [Member] USD ($)	Jan. 31, 2014 Convertible Subordinated Debt [Member] Manufacturing Operations [Member] USD ($)	Oct. 31, 2013 Convertible Subordinated Debt [Member] Manufacturing Operations [Member] USD ($)	Jan. 31, 2014 Convertible Subordinated Debt [Member] Manufacturing Operations [Member] Three Point Zero Percent Senior Subordinated Convertible Notes [Member] USD ($)	Oct. 31, 2013 Convertible Subordinated Debt [Member] Manufacturing Operations [Member] Three Point Zero Percent Senior Subordinated Convertible Notes [Member] USD ($)	Jan. 31, 2014 Convertible Subordinated Debt [Member] Manufacturing Operations [Member] 4.50% Senior Subordinated Convertible Notes [Member]	Jan. 31, 2014 Notes Payable to Banks [Member] Manufacturing Operations [Member] USD ($)	Oct. 31, 2013 Notes Payable to Banks [Member] Manufacturing Operations [Member] USD ($)	Jan. 31, 2014 Notes Payable to Banks [Member] Manufacturing Operations [Member] Eight Point Two Five Percent Senior Notes [Member] USD ($)	Oct. 31, 2013 Notes Payable to Banks [Member] Manufacturing Operations [Member] Eight Point Two Five Percent Senior Notes [Member] USD ($)
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage														3.00%		4.50%			8.25%
Long-term Debt	$ 3,212	$ 3,219	$ 1,652	$ 1,866		$ 34	$ 39					$ 178	$ 177				$ 1,178	$ 1,178
Proceeds from Issuance of Debt								60	800
Unamortized discount										22	23			19	26				22	22
Debt Instrument, Face Amount					$ 21