Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Beginning Balance	$ 654	$ 683
Divestitures	(2)	(2)
Translation	12	(27)
Ending Balance	664	654
North American Tire [Member]
Goodwill [Roll Forward]
Beginning Balance	93	94
Divestitures	0	(1)
Translation	0	0
Ending Balance	93	93
Europe, Middle East and Africa Tire [Member]
Goodwill [Roll Forward]
Beginning Balance	484	509
Divestitures	(2)	(1)
Translation	15	(24)
Ending Balance	497	484
Asia Pacific Tire [Member]
Goodwill [Roll Forward]
Beginning Balance	77	80
Divestitures	0	0
Translation	(3)	(3)
Ending Balance	$ 74	$ 77