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Cooper Tire Acquisition - Schedule of Pro Forma Financial Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2021
Business Acquisition, Pro Forma Information [Abstract] |  |
Net Sales | $ 4,934 | $ 13,678
Income before Income Taxes | 251 | 595
Goodyear Net Income | $ 179 | $ 420

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- Definition Business acquisitions pro forma income loss from continuing operations before changes in accounting and extraordinary items before net of tax. + References No definition available. + Details
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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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