Business Segments (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	$ 5	$ 2
Europe, Middle East and Africa Tire
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	5	0
Asia Pacific Tire
Asset write-offs and accelerated depreciation:
Total Segment Asset Write Offs and Accelerated Depreciation	$ 0	$ 2