Business Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Sales:
Net Sales	$ 5,264	$ 6,062	$ 15,947	$ 17,084
Segment Operating Income:
Operating Income (Loss)	348	463	976	1,172
Less:
Rationalizations (Note 2)	26	25	67	80
Interest expense	86	86	270	241
Other expense	(1)	(4)	128	48
Asset write-offs and accelerated depreciation	13	12	19	46
Corporate incentive compensation plans	25	8	47	43
Pension/curtailments/settlements	0	4	0	15
Intercompany profit elimination	(12)	7	(11)	18
Retained expenses of divested operations	3	9	12	24
Other	22	11	36	46
Income before income taxes	186	305	408	611
North American Tire
Sales:
Net Sales	2,404	2,557	7,352	7,275
Segment Operating Income:
Operating Income (Loss)	130	78	398	255
Less:
Rationalizations (Note 2)	9	20	28	60
Asset write-offs and accelerated depreciation	0	11	0	43
Europe, Middle East and Africa Tire
Sales:
Net Sales	1,748	2,226	5,282	6,128
Segment Operating Income:
Operating Income (Loss)	105	260	214	539
Less:
Rationalizations (Note 2)	8	2	18	9
Latin American Tire
Sales:
Net Sales	520	651	1,544	1,876
Segment Operating Income:
Operating Income (Loss)	49	62	162	183
Less:
Rationalizations (Note 2)	0	0	2	0
Asia Pacific Tire
Sales:
Net Sales	592	628	1,769	1,805
Segment Operating Income:
Operating Income (Loss)	64	63	202	195
Less:
Rationalizations (Note 2)	9	3	19	11
Asset write-offs and accelerated depreciation	$ 13	$ 1	$ 19	$ 3