Business Segments (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	$ (4)	$ (2)
Segment Asset Sales (gain) loss [Member]
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(3)	(2)
Corporate [Member]
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(1)	0
North American Tire [Member]
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(2)	0
Europe, Middle East and Africa Tire [Member]
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(1)	(1)
Latin American Tire [Member]
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	(1)
Asia Pacific Tire [Member]
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	$ 0	$ 0