Business Segments (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	$ 4	$ 25	$ 6	$ 34
North American Tire [Member]
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	0	24	0	32
Asia Pacific Tire [Member]
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	$ 4	$ 1	$ 6	$ 2