Commitments and Contingent Liabilities - General and Product Liability and Other Litigation (Details) $ in Millions	9 Months Ended
Sep. 30, 2017 USD ($) claim	Dec. 31, 2016 USD ($)
Loss Contingencies [Line Items]
Asbestos claim related losses, period covered by liability	10 years
General Product Liability
Loss Contingencies [Line Items]
Potential product liability or claim, including related legal fees	$ 333	$ 316
Asbestos Related Product Liability
Loss Contingencies [Line Items]
Potential product liability or claim, including related legal fees	$ 177	171
Number of asbestos claims settled and dismissed, to date \| claim	127,400
Sum of accrued asbestos-related liability and gross payments to date, including legal costs	$ 529	517
Loss contingency, related receivable	$ 121	123
Percentage of recoverable asbestos claim losses	70.00%
Loss contingency, related receivable, current	$ 12	12
Aggregate limits of excess insurance policies		430
Other Current Liabilities \| General Product Liability
Loss Contingencies [Line Items]
Potential product liability or claim, including related legal fees	59	$ 49
Other assets
Loss Contingencies [Line Items]
Indemnification asset	27
SRI \| Accounts Receivable
Loss Contingencies [Line Items]
Indemnification asset	$ 5

Aggregate limits of excess insurance policies.

No definition available.

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

- Definition

Asbestos Claims Settled And Dismissed To Date.

+ References

No definition available.

+ Details

Name:	gt_AsbestosClaimsSettledAndDismissedToDate
Namespace Prefix:	gt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Asbestos Claim Related Losses, Period Covered By Liability

+ References

No definition available.

+ Details

Name:	gt_LossContingencyAsbestosClaimRelatedLossesPeriodCoveredByLiability
Namespace Prefix:	gt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

percentage of asbestos claim related losses recoverable through insurance.

+ References

No definition available.

+ Details

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

- Definition

Sum of accrued asbestos related liability and gross payments including legal costs to date.

+ References

No definition available.

+ Details

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

- Definition

The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationIndemnificationAssetsAmountAsOfAcquisitionDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

- Definition

Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12053-110248

+ Details

Name:	us-gaap_LossContingencyReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of receivable related to a loss contingency accrual that is expected to be collected within one year or the normal operating cycle, if longer. For example, an insurance recovery receivable.

+ References

+ Details

Name:	us-gaap_LossContingencyReceivableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Present value of the accrual for product liability loss contingencies as of the balance sheet date (if the accrual qualifies for discounting).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

+ Details

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

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=gt_GeneralProductLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=gt_AsbestosRelatedProductLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=gt_SRIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: