Business Segments (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 687	$ 715	$ 652
Capital expenditures	1,127	1,043	944
Corporate [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	36	61	28
Capital expenditures	35	16	26
Operating Segments [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	651	654	624
Capital expenditures	1,092	1,027	918
North American Tire [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	275	286	295
Capital expenditures	212	236	319
Europe, Middle East and Africa Tire [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	215	222	209
Capital expenditures	344	240	183
Latin American Tire [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	72	73	57
Capital expenditures	250	237	135
Asia Pacific Tire [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	89	73	63
Capital expenditures	$ 286	$ 314	$ 281