Business Segments - Net Sales and Percentage of Consolidated Net Sales (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Net sales	$ 4,200,836,000	$ 3,907,820,000	$ 3,342,708,000
North American Tire [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Net sales	3,095,558,000	2,837,588,000	2,405,532,000
TBC/Treadways [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Consolidated Net Sales	13.00%	12.00%	13.00%
TBC/Treadways [Member] | North American Tire [Member]
Entity Wide Portfolio Carrying Amount, Major Customer [Line Items]
Net sales	$ 549,685	$ 475,586	$ 424,051