Debt Instrument, Basis Spread on Reference Rate

No definition available.

Name:	gt_DebtInstrumentBasisSpreadOnReferenceRate
Namespace Prefix:	gt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Fee Amount to Reduce Effect Rate, As a Percentage of Principal Amount

+ References

No definition available.

+ Details

Name:	gt_DebtInstrumentFeeAmounttoReduceEffectRateAsaPercentageofPrincipalAmount
Namespace Prefix:	gt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Leverage Ratio Threshold for Optional Reduction of Basis Spreads on Variable Rates

+ References

No definition available.

+ Details

Name:	gt_DebtInstrumentLeverageRatioThresholdforOptionalReductionofBasisSpreadsonVariableRates
Namespace Prefix:	gt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Optional Reduction of Basis Spreads On Variable Rates

+ References

No definition available.

+ Details

Name:	gt_DebtInstrumentOptionalReductionOfBasisSpreadsOnVariableRates
Namespace Prefix:	gt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit, additional borrowing capacity which may be requested from Lenders.

+ References

No definition available.

+ Details

Name:	gt_LineOfCreditAdditionalBorrowingCapacityWhichMayBeRequestedFromLenders
Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Borrowing Base Amount Below Stated Amount

+ References

No definition available.

+ Details

Name:	gt_LineOfCreditFacilityBorrowingBaseAmountBelowStatedAmount
Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Maximum Borrowing Capacity Inputs, Increase Based on Value of Certain Cash

+ References

No definition available.

+ Details

Name:	gt_LineOfCreditFacilityMaximumBorrowingCapacityInputsIncreaseBasedOnValueOfCertainCash
Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Long-term Debt, Before Deferred Finance Costs

+ References

No definition available.

+ Details

Name:	gt_LongTermDebtBeforeDeferredFinanceCosts
Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Off-balance Sheet Accounts Receivable Securitization

+ References

No definition available.

+ Details

Name:	gt_OffBalanceSheetAccountsReceivableSecuritization
Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Restricted cash related to funds obtained under credit facilities.

+ References

No definition available.

+ Details

Name:	gt_RestrictedCashRelatedToFundsObtainedUnderCreditFacilities
Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_NotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_DebtInstrumentAxis=gt_AccountsReceivableFactoringFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=gt_ChineseCreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=gt_FirstLienRevolvingCreditFacilityDue2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=gt_SecondLienTermLoanFacilityDue2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=gt_AlternativeBaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=gt_EuropeanRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=gt_EuropeanInterbankOfferRateEuriborMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=gt_GermanTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=gt_AllBorrowerTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_BridgeLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=gt_PanEuropeanAccountsReceivableFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=gt_MexicanCreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_ForeignLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Financing Arrangements and Derivative Financial Instruments - Notes and Credit Facilities Narrative (Details)	1 Months Ended	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2018 EUR (€)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 EUR (€)	Dec. 31, 2017 USD ($)	Oct. 16, 2017 EUR (€)
Debt Instrument [Line Items]
Notes payable			$ 3,334,000,000		$ 3,325,000,000
Long-term debt, before deferred financing fees			5,927,000,000		5,468,000,000
Accounts Receivable Factoring Facilities \| Secured Debt
Debt Instrument [Line Items]
Off-balance sheet receivables sold			532,000,000		572,000,000
Chinese Credit Facilities \| Secured Debt
Debt Instrument [Line Items]
Amount outstanding			185,000,000		212,000,000
Unused availability			136,000,000
Restricted cash related to funds obtained under credit facilities			4,000,000		7,000,000
Line of Credit \| $2.0 Billion First Lien Revolving Credit Facility due 2021
Debt Instrument [Line Items]
Maximum borrowing capacity			2,000,000,000.0
Additional borrowing capacity which may be requested			250,000,000
Borrowing base amount below stated amount			401,000,000
Line of Credit \| $2.0 Billion First Lien Revolving Credit Facility due 2021 \| Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			800,000,000
Letters of credit outstanding			37,000,000		37,000,000
Line of Credit \| $2.0 Billion First Lien Revolving Credit Facility due 2021 \| Letter of Credit \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Line of Credit \| $2.0 Billion First Lien Revolving Credit Facility due 2021 \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity			2,000,000,000.0
Annual commitment fee on undrawn amounts		0.30%
Borrowing base amount below stated amount			401,000,000
Long-term debt, before deferred financing fees			165,000,000		0
Maximum borrowing base increase based on value of certain cash			200,000,000
Line of Credit \| Second lien term loan facility due 2025 \| Secured Debt
Debt Instrument [Line Items]
Long-term debt, before deferred financing fees			$ 400,000,000		400,000,000
Fee amount to reduce effect rate, percentage of Principal Amount		1.00%	1.00%
Leverage ratio threshold		1.25	1.25
Debt instrument, optional reduction of basis spreads on variable rates	0.25%
Line of Credit \| Second lien term loan facility due 2025 \| Secured Debt \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.00%
Debt instrument, basis spread on reference rate	1.00%
Line of Credit \| Second lien term loan facility due 2025 \| Secured Debt \| Alternative Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	1.00%
Line of Credit \| Second lien term loan facility due 2025 \| Secured Debt \| Federal Funds Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on reference rate	0.50%
Line of Credit \| European Revolving Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		€ 50,000,000
Letters of credit outstanding			$ 0		0
Line of Credit \| European Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		€ 550,000,000
Annual commitment fee on undrawn amounts		0.30%
Amount outstanding					0
Line of Credit \| European Revolving Credit Facility \| Revolving Credit Facility \| LIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.75%
Line of Credit \| European Revolving Credit Facility \| Revolving Credit Facility \| EURIBOR
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		1.75%
Line of Credit \| European Revolving Credit Facility \| German Tranche
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		€ 125,000,000
Amount outstanding		125,000,000	154,000,000
Line of Credit \| European Revolving Credit Facility \| All-borrower Tranche
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		425,000,000
Amount outstanding		200,000,000	247,000,000
Line of Credit \| European Revolving Credit Facility \| Swingline Loan
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		150,000,000
Line of Credit \| Pan-European Accounts Receivable Facility \| Secured Debt
Debt Instrument [Line Items]
Maximum borrowing capacity \| €						€ 275,000,000
Long-term debt, before deferred financing fees			153,000,000		224,000,000
Current borrowing capacity		124,000,000	153,000,000	€ 187,000,000	224,000,000
Line of Credit \| Pan-European Accounts Receivable Facility \| Secured Debt \| Minimum
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		30,000,000
Line of Credit \| Pan-European Accounts Receivable Facility \| Secured Debt \| Maximum
Debt Instrument [Line Items]
Maximum borrowing capacity \| €		€ 450,000,000
Line of Credit \| Mexican credit facilities \| Foreign Line of Credit
Debt Instrument [Line Items]
Long-term debt, before deferred financing fees			340,000,000		340,000,000
Line of Credit \| Chinese Credit Facilities \| Foreign Line of Credit
Debt Instrument [Line Items]
Long-term debt, before deferred financing fees			$ 185,000,000		$ 212,000,000