Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current Assets:
Allowance on accounts receivable	$ 86	$ 89
Accumulated depreciation	$ 8,763	$ 9,029
Goodyear Shareholders' Equity:
Common stock, authorized	450,000,000us-gaap_CommonStockSharesAuthorized	450,000,000us-gaap_CommonStockSharesAuthorized
Common stock, outstanding shares	270,000,000us-gaap_CommonStockSharesOutstanding	269,000,000us-gaap_CommonStockSharesOutstanding
Treasury shares	8,000,000us-gaap_TreasuryStockShares	9,000,000us-gaap_TreasuryStockShares

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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