Earnings Per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Apr. 01, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Goodyear net income (loss)	$ 2,452us-gaap_NetIncomeLoss	$ 629us-gaap_NetIncomeLoss	$ 212us-gaap_NetIncomeLoss
Less: Preferred Stock Dividends	7us-gaap_DividendsPreferredStock	29us-gaap_DividendsPreferredStock	29us-gaap_DividendsPreferredStock
Goodyear Net Income (Loss) Available to Common Shareholders	2,445	600	183
Dividends Preferred Stock Diluted	0gt_DividendsPreferredStockDiluted	0gt_DividendsPreferredStockDiluted	29gt_DividendsPreferredStockDiluted
Net Income Available to Common Stockholders, Diluted	2,452	629	183
Weighted average shares outstanding	268,000,000	246,000,000	245,000,000
Dilutive effect of mandatory convertible preferred stock	7,000,000	28,000,000	0
Dilutive effect of stock options and other dilutive securities	4,000,000	3,000,000	2,000,000
Weighted average shares outstanding - diluted	279,000,000	277,000,000	247,000,000
Earnings per common share-Basic	$ 9.13us-gaap_EarningsPerShareBasic	$ 2.44us-gaap_EarningsPerShareBasic	$ 0.75us-gaap_EarningsPerShareBasic
Earnings per common share-diluted	$ 8.78us-gaap_EarningsPerShareDiluted	$ 2.28us-gaap_EarningsPerShareDiluted	$ 0.74us-gaap_EarningsPerShareDiluted
Earnings Per Share (Textuals) [Abstract]
Dividends Preferred Stock Diluted	$ 0gt_DividendsPreferredStockDiluted	$ 0gt_DividendsPreferredStockDiluted	$ 29gt_DividendsPreferredStockDiluted
Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Convertible Preferred Stock, Aggregate Shares Issued upon Conversion				27,573,735
Earnings Per Share (Textuals) [Abstract]
Convertible Preferred Stock, Shares Issued upon Conversion				2.7574
Convertible Preferred Stock [Member]
Earnings Per Share (Textuals) [Abstract]
Weighted average shares outstanding - Diluted, excluded in computation of Diluted earnings per share			34,000,000
Underwater Stock Options [Member]
Earnings Per Share (Textuals) [Abstract]
Weighted average shares outstanding - Diluted, excluded in computation of Diluted earnings per share	2,000,000	3,000,000	11,000,000

Convertible Preferred Stock, Aggregate Shares Issued upon Conversion

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Other preferred stock dividends and adjustments, not otherwise defined in the taxonomy, that are necessary to adjust net income to obtain net income applicable to common stockholders - diluted.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Number of shares issued for each share of convertible preferred stock that is converted.

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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