Net Sales - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	$ 15,475	$ 15,377	$ 15,158
Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	13,197
Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	1,025
Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	675
Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	554
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	24
Americas
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	8,168	8,212	8,172
Americas | Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	6,417
Americas | Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	620
Americas | Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	564
Americas | Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	554
Americas | Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	13
Europe, Middle East and Africa
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	5,090	4,928	4,880
Europe, Middle East and Africa | Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	4,771
Europe, Middle East and Africa | Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	278
Europe, Middle East and Africa | Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	34
Europe, Middle East and Africa | Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	0
Europe, Middle East and Africa | Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	7
Asia Pacific
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	2,217	$ 2,237	$ 2,106
Asia Pacific | Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	2,009
Asia Pacific | Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	127
Asia Pacific | Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	77
Asia Pacific | Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	0
Asia Pacific | Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	$ 4