Business Segments (Details 4) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	$ 12	$ 4	$ 46	$ 13
North American Tire [Member]
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	11	0	43	1
Europe, Middle East and Africa Tire [Member]
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	0	0	0	1
Asia Pacific Tire [Member]
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	$ 1	$ 4	$ 3	$ 11