Business Segments (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Rationalizations:
Rationalizations (Note 2)	$ 7	$ 15
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	2	(4)
Operating Segments
Rationalizations:
Rationalizations (Note 2)	7	15
Corporate
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	(1)
Segment Asset Sales
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	2	(3)
North American Tire
Rationalizations:
Rationalizations (Note 2)	2	6
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	1	(2)
Europe, Middle East and Africa Tire
Rationalizations:
Rationalizations (Note 2)	3	5
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	2	(1)
Latin American Tire
Rationalizations:
Rationalizations (Note 2)	0	2
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(1)	0
Asia Pacific Tire
Rationalizations:
Rationalizations (Note 2)	$ 2	$ 2