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Business Segments (Details 2) (USD $) In Millions	3 Months Ended		6 Months Ended
Business Segments (Details 2) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Rationalizations:
Net rationalization charges (Note 2)	$ 46	$ 6	$ 55	$ 8
North American Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)	34	(1)	40	5
Europe, Middle East and Africa Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)	6	(1)	7	(7)
Latin American Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)		1		3
Asia Pacific Tire [Member]
Rationalizations:
Net rationalization charges (Note 2)	6	7	8	8
Corporate [Member]
Rationalizations:
Net rationalization charges (Note 2)				(1)
Operating Segments [Member]
Rationalizations:
Net rationalization charges (Note 2)	$ 46	$ 6	$ 55	$ 9

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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