Business Segments (Details 3) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net Gains on Asset Sales:
Net (gains) losses on asset sales (Note3)	$ (11)	$ (2)	$ (24)	$ (26)
North American Tire [Member]
Net Gains on Asset Sales:
Net (gains) losses on asset sales (Note3)	(2)	(1)	(7)	(2)
Europe, Middle East and Africa Tire [Member]
Net Gains on Asset Sales:
Net (gains) losses on asset sales (Note3)	1	0	(1)	(1)
Latin American Tire [Member]
Net Gains on Asset Sales:
Net (gains) losses on asset sales (Note3)	0	0	(4)	(7)
Asia Pacific Tire [Member]
Net Gains on Asset Sales:
Net (gains) losses on asset sales (Note3)	(9)	(1)	(9)	(16)
Segment Asset Sales (gain) loss [Member]
Net Gains on Asset Sales:
Net (gains) losses on asset sales (Note3)	(10)	(2)	(21)	(26)
Corporate [Member]
Net Gains on Asset Sales:
Net (gains) losses on asset sales (Note3)	$ (1)	$ 0	$ (3)	$ 0