Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net Income (Loss)	$ (1,250)	$ (297)	$ 708
Other Comprehensive Income (Loss):
Foreign currency translation, net of tax of $4 in 2020 ($4 in 2019, ($10) in 2018)	(134)	5	(264)
Defined benefit plans:
Amortization of prior service cost and unrecognized gains and losses included in total benefit cost, net of tax of $35 in 2020 ($33 in 2019, $34 in 2018)	109	104	105
(Increase)/decrease in net actuarial losses, net of tax of ($10) in 2020 (($42) in 2019, $1 in 2018)	(3)	(169)	16
Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures, net of tax of $7 in 2020 ($2 in 2019, $5 in 2018)	22	4	20
Prior service credit (cost) from plan amendments, net of tax of ($1) in 2020 ($1 in 2019, ($3) in 2018)	(2)	1	(12)
Deferred derivative gains (losses), net of tax of $0 in 2020 ($0 in 2019, $3 in 2018)	15	10	9
Reclassification adjustment for amounts recognized in income, net of tax of $0 in 2020 ($0 in 2019, $0 in 2018)	(13)	(14)	7
Other Comprehensive Income (Loss)	(6)	(59)	(119)
Comprehensive Income (Loss)	(1,256)	(356)	589
Less: Comprehensive Income (Loss) Attributable to Minority Shareholders	(3)	15	(4)
Goodyear Comprehensive Income (Loss)	$ (1,253)	$ (371)	$ 593