Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Millions, except Share data	Jun. 30, 2011	Dec. 31, 2010
Current Assets:
Allowance on accounts receivable	$ 112	$ 106
Accumulated depreciation	$ 8,974	$ 8,807
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	0
Mandatory convertible preferred stock, liquidation preference	$ 50
Common stock, par value	$ 0	$ 0
Common stock, authorized	450,000,000	450,000,000
Common stock, outstanding shares	244,000,000	243,000,000
Treasury shares	7,000,000	8,000,000