Business Segments (Details 2) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Rationalizations:
Net rationalization charges (Note 2)	$ 25	$ 8	$ 80	$ 16
North American Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)	20	1	60	6
Europe, Middle East and Africa Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)	2	5	9	(2)
Latin American Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)	0	1	0	4
Asia Pacific Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)	3	1	11	9
Corporate [Member]
Rationalizations:
Net rationalization charges (Note 2)	0	0	0	(1)
Operating Segments [Member]
Rationalizations:
Net rationalization charges (Note 2)	$ 25	$ 8	$ 80	$ 17