Net Sales - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	$ 3,928	$ 3,921	$ 11,599	$ 11,306
Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	3,310		9,774
Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	298		857
Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	169		515
Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	146		437
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	5		16
Americas
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	2,107	2,041	6,054	6,028
Americas | Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	1,647		4,721
Americas | Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	166		460
Americas | Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	145		426
Americas | Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	146		437
Americas | Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	3		10
Europe, Middle East and Africa
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	1,290	1,311	3,880	3,664
Europe, Middle East and Africa | Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	1,184		3,545
Europe, Middle East and Africa | Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	100		303
Europe, Middle East and Africa | Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	5		29
Europe, Middle East and Africa | Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	0		0
Europe, Middle East and Africa | Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	1		3
Asia Pacific
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	531	$ 569	1,665	$ 1,614
Asia Pacific | Tire unit sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	479		1,508
Asia Pacific | Other tire and related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	32		94
Asia Pacific | Retail services and service related sales
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	19		60
Asia Pacific | Chemical
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	0		0
Asia Pacific | Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Net Sales	$ 1		$ 3