Costs Associated with Rationalization Programs - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2019 facility	Dec. 31, 2020 USD ($) position employee	Dec. 31, 2019 USD ($) facility	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Expected number of position to be released (in employees) | employee		450
Restructuring reserve		$ 200	$ 220	$ 81	$ 213
Rationalizations		159	205	44
Rationalization reversals		2	4	19
Rationalization charges to date		990
Future rationalization charges expected		80
Rationalizations
Restructuring Cost and Reserve [Line Items]
Curtailments and settlements benefits plan credit		5	5	(1)
Amiens Labor Claims
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		35
Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		57	6	4
Rationalization reversals		$ 2	4	18
Number of associates released | employee		1,200
Prior Year Plans | Rationalizations
Restructuring Cost and Reserve [Line Items]
Curtailments and settlements benefits plan credit		$ 4
Prior Year Plans | Amiens Labor Claims
Restructuring Cost and Reserve [Line Items]
Rationalizations		30
Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		$ 102	$ 199	40
Rationalization reversals				1
Facility Closing | Plan to Permanently Close Gadsden, Alabama Manufacturing Facility as Part of Strategy to Strengthen Competitiveness of Manufacturing Footprint
Restructuring Cost and Reserve [Line Items]
Expected number of position to be released (in employees) | position		470
Restructuring reserve		$ 32
Modernizing Tire Manufacturing Facilities in Germany
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		89
Number of facilities affected | facility	2		2
Modernizing Tire Manufacturing Facilities in Germany | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		19
Europe, Middle East, and Africa Restructuring Plan - Operating Efficiency
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		9
Reduce SAG Headcount
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		11
Reduce SAG Headcount | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations				3
Reduce SAG Headcount | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations				28
Gadsden Restructuring Plan to Offer Voluntary Buy-outs to Certain Associates
Restructuring Cost and Reserve [Line Items]
Restructuring reserve		7
Gadsden Restructuring Plan to Offer Voluntary Buy-outs to Certain Associates | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		5
Philippsburg Restructuring | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations		$ 3	$ 10	15
Gadsden, Alabama Manufacturing Facility | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Expected number of position to be released (in employees) | employee		800
Number of associates released | employee		600
Europe, Middle East, and Africa Restructuring Plan - Manufacturing Employee Severance and Operating Efficiency | Prior Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations				3
Europe, Middle East, and Africa Restructuring Plan - Manufacturing Employee Severance and Operating Efficiency | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations			105	$ 13
Reduction to Manufacturing Headcount, Gadsden, Alabama | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations			76
Americas Restructuring Plan, Brazil - Manufacturing Employee Severance and Operating Efficiency | Current Year Plans
Restructuring Cost and Reserve [Line Items]
Rationalizations			$ 18