Business Segments (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Rationalizations:
Rationalizations (Note 2)	$ 15	$ 9
Operating Segments [Member]
Rationalizations:
Rationalizations (Note 2)	15	9
North American Tire [Member]
Rationalizations:
Rationalizations (Note 2)	6	6
Europe, Middle East and Africa Tire [Member]
Rationalizations:
Rationalizations (Note 2)	5	1
Latin American Tire [Member]
Rationalizations:
Rationalizations (Note 2)	2	0
Asia Pacific Tire [Member]
Rationalizations:
Rationalizations (Note 2)	$ 2	$ 2