Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net Income (Loss)	$ 18	$ (617)
Other Comprehensive Income (Loss)
Foreign currency translation, net of tax of ($1) in 2021 (($8) in 2020)	(39)	(225)
Defined benefit plans:
Amortization of prior service cost and unrecognized gains and losses included in total benefit cost, net of tax of $9 in 2021 ($9 in 2020)	27	27
Decrease/(increase) in net actuarial losses, net of tax of $3 in 2021 ($0 in 2020)	9	(1)
Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements and divestitures, net of tax of $0 in 2021 (($1) in 2020)	0	(1)
Deferred derivative gains, net of tax of $0 in 2021 ($5 in 2020)	1	18
Reclassification adjustment for amounts recognized in income, net of tax of $0 in 2021 ($0 in 2020)	(2)	(4)
Other Comprehensive Income (Loss)	(4)	(186)
Comprehensive Income (Loss)	14	(803)
Less: Comprehensive Income (Loss) Attributable to Minority Shareholders	(1)	(7)
Goodyear Comprehensive Income (Loss)	$ 15	$ (796)