Financing Arrangements and Derivative Financial Instruments (Details Textual 1) (USD $) In Millions, unless otherwise specified			9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 Global And North American Tire Headquarters	Apr. 13, 2011 Global And North American Tire Headquarters	Sep. 30, 2012 8.75% Notes due 2020	Dec. 31, 2011 8.75% Notes due 2020
Capital Leased Assets [Line Items]
Long-term Debt	$ 5,783	$ 4,914			$ 265	$ 264
EstimatedTotalCostOfHeadquartersProject				200
Agreement period for occupying facility			27 years
Estimated cost of project funded by government financing and incentives				60
Estimated total financing liability				140
Total long term debt excluding debt due within one year	$ 5,708	$ 4,789