Business Segments (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Rationalizations:
Rationalizations	$ 103	$ 240	$ 227
Corporate [Member]
Rationalizations:
Rationalizations	0	(1)	3
Operating Segments [Member]
Rationalizations:
Rationalizations	103	241	224
North American Tire [Member]
Rationalizations:
Rationalizations	72	184	112
Europe, Middle East and Africa Tire [Member]
Rationalizations:
Rationalizations	15	41	82
Latin American Tire [Member]
Rationalizations:
Rationalizations	0	5	20
Asia Pacific Tire [Member]
Rationalizations:
Rationalizations	$ 16	$ 11	$ 10