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Financing Arrangements and Derivative Financial Instruments (Schedule of Amounts Due Within One Year) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Notes payable and overdrafts long term debt and capital leases due with in one year and short term financing arrangements    
Notes Payable and Overdrafts $ 30us-gaap_ShortTermBorrowings $ 14us-gaap_ShortTermBorrowings
Long term debt and capital leases due within one year:    
Long Term Debt and Capital Leases due Within One Year 148us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent 73us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Total obligations due within one year $ 178us-gaap_DebtCurrent $ 87us-gaap_DebtCurrent
Notes payable and overdrafts    
Notes payable and overdrafts long term debt and capital leases due with in one year and short term financing arrangements    
Notes Payable and Overdrafts Weighted Average Interest Rate 10.63%us-gaap_ShortTermDebtWeightedAverageInterestRate
/ us-gaap_ShortTermDebtTypeAxis
= gt_NotesPayableAndOverdraftsCurrentMember		 3.40%us-gaap_ShortTermDebtWeightedAverageInterestRate
/ us-gaap_ShortTermDebtTypeAxis
= gt_NotesPayableAndOverdraftsCurrentMember
Long term debt and capital leases due within one year    
Long term debt and capital leases due within one year:    
Weighted Average Interest Rate 7.75%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_ShortTermDebtTypeAxis
= gt_LongTermDebtAndCapitalLeasesCurrentMember		 6.91%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_ShortTermDebtTypeAxis
= gt_LongTermDebtAndCapitalLeasesCurrentMember