Dissolution of Global Alliance With Sumitomo Rubber Industries (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Combination, Separately Recognized Transactions [Line Items]
Pre-tax gain on asset sales	$ 14	$ 31	$ 71
SRI
Business Combination, Separately Recognized Transactions [Line Items]
Pre-tax gain on sale of a controlling interest in GDTNA			23
Pre-tax gain on sale of a non-controlling investment in DGT			42
Pre-tax gain on sale of non-exclusive rights			19
Transaction costs and other			(8)
Net product liability claims			(28)
Pre-tax gain on asset sales			$ 48