Financing Arrangements and Derivative Financial Instruments (Details Textual 1) (USD $) In Millions, unless otherwise specified			6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Global and North American Tire Headquarters [Member]	Jun. 30, 2012 Eight Point Seven Five Percent Notes Due In Two Thousand Twenty [Member]	Dec. 31, 2011 Eight Point Seven Five Percent Notes Due In Two Thousand Twenty [Member]
Capital Leased Assets [Line Items]
Long-term Debt	$ 5,469	$ 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	$ 5,395	$ 4,789