Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Allowance on accounts receivable	$ 100	$ 97
Accumulated depreciation	$ 8,881	$ 8,629
Goodyear Shareholders' Equity:
Preferred stock, par value	$ 0	$ 0
Preferred stock, authorized	50,000,000	50,000,000
Mandatory convertible preferred stock, outstanding	10,000,000	10,000,000
Mandatory convertible preferred stock, liquidation preference	$ 50	$ 50
Common stock, par value	$ 0	$ 0
Common stock, authorized	450,000,000	450,000,000
Common stock, outstanding shares	245,000,000	245,000,000
Treasury shares	6,000,000	6,000,000