Other Expense (Textuals) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended													12 Months Ended			12 Months Ended
	Dec. 31, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011 Asia Pacific Tire [Member]	Dec. 31, 2010 Asia Pacific Tire [Member]	Dec. 31, 2012 Latin American Tire [Member]	Dec. 31, 2011 Latin American Tire [Member]	Dec. 31, 2010 Latin American Tire [Member]	Dec. 31, 2012 Europe, Middle East and Africa Tire [Member]	Dec. 31, 2010 Europe, Middle East and Africa Tire [Member]	Dec. 31, 2012 North American Tire [Member]	Dec. 31, 2012 10.5% Notes due 2016 [Member]	Mar. 29, 2012 10.5% Notes due 2016 [Member]	Dec. 31, 2012 Second Lien Term Loan Facility Due 2019 [Member]	Dec. 31, 2011 Redemption of $973 million long-term debt [Member]	Dec. 31, 2010 Redemption of $973 million long-term debt [Member]	Dec. 31, 2011 Asbestos Related Product Liability [Member]
Component of Other Expense, Nonoperating [Line Items]
Financing fees and financial instruments			$ 156	$ 89	$ 95									$ 86		$ 24	$ 53
Carrying Amount of Early Debt Repayment			650
Interest on Notes														10.50%	10.50%
Cash premium paid on redemption of Long-term debt	50			37	50									59	59
Finance fess paid on redemption written off				16	6									27
Loss Contingency, Loss in Period			25
Issuance of aggregate principal amount of senior notes															650		350	973
Nonrecurring Royalty Income				6
Foreign Currency Transaction Gain (Loss), before Tax			(26)	(27)	(159)
Venezuela currency devaluation (Note 3)	24	110	0	0	134
Expense related to asbestos claims			18	17	17
Probable Insurance Recoveries Related to asbestos claims			10	9	5
Expense related to prior period asbestos claims																			13
Net gains on asset sales			25	16	73	9	58	4	4	7	9	6	9
Insurance Deductible Loss				9
Miscellanous Expense Related To Value Added Tax Credits In Prior Years					$ 25