Net Sales - Schedule of Balance of Deferred Revenue Related to Contracts with Customers (Details) $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Change in Contract with Customer, Liability [Roll Forward]
Balance at December 31, 2019	$ 54
Revenue deferred during period	117
Revenue recognized during period	(117)
Impact of foreign currency translation	0
Balance at September 30, 2020	$ 54

Change in Contract with Customer, Liability [Roll Forward]

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

Contract with Customer, Liability, Impact of Foreign Currency Translation

+ References

No definition available.

+ Details

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Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
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- Definition

Contract with Customer, Liability, Revenue Deferred During Period

+ References

No definition available.

+ Details

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Namespace Prefix:	gt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045

+ Details

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Balance Type:	credit
Period Type:	duration