Changes in Shareholders' Equity - Changes in Shareholders' Equity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period			$ 4,850	$ 4,725
Comprehensive income (loss):
Net income	$ 164	$ 154	244	323
Foreign currency translation, net of tax of ($8) in 2018 ($19 in 2017)	(231)	50	(149)	134
Amortization of prior service cost and unrecognized gains and losses included in total benefit cost, net of tax of $16 in 2018 ($21 in 2017)	26	19	53	39
(Increase)/Decrease in net actuarial losses, net of tax of $6 in 2018 ($1 in 2017)	16	(1)	19	3
Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures, net of tax of $2 in 2018 ($0 in 2017)	4	0	4	0
Deferred derivative gains (losses), net of tax of $2 in 2018 (($7) in 2017)	10	(8)	6	(14)
Reclassification adjustment for amounts recognized in income, net of tax of $2 in 2018 (($1) in 2017)	2	(2)	5	(3)
Other Comprehensive Income (Loss)	(173)	58	(62)	159
Comprehensive Income (Loss)	(9)	212	182	482
Adoption of new accounting standards updates (Note 1)					$ (1)	$ 0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(7)	(5)
Stock-based compensation plans			8	12
Repurchase of common stock			(100)	(30)
Dividends declared			(67)	(50)
Common stock issued from treasury			3	11
Purchase of minority shares			(24)	0
Balance at end of period	4,844	5,145	4,844	5,145
Foreign currency translation, tax	(6)	16	(8)	19
Amortization of prior service cost and unrecognized gains and (losses) included in total benefit cost, tax	8	11	16	21
(Increase)/Decrease in net actuarial losses, tax	5	0	6	1
Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures, tax	2	0	2	0
Deferred derivative gains (losses), tax	4	(5)	2	(7)
Reclassification adjustment for amounts recognized in income, tax	1	0	2	(1)
Goodyear Shareholders’ Equity
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period			4,603	4,507
Comprehensive income (loss):
Net income			232	313
Foreign currency translation, net of tax of ($8) in 2018 ($19 in 2017)			(133)	121
Amortization of prior service cost and unrecognized gains and losses included in total benefit cost, net of tax of $16 in 2018 ($21 in 2017)			53	39
(Increase)/Decrease in net actuarial losses, net of tax of $6 in 2018 ($1 in 2017)			19	3
Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures, net of tax of $2 in 2018 ($0 in 2017)			4	0
Deferred derivative gains (losses), net of tax of $2 in 2018 (($7) in 2017)			6	(14)
Reclassification adjustment for amounts recognized in income, net of tax of $2 in 2018 (($1) in 2017)			5	(3)
Other Comprehensive Income (Loss)			(46)	146
Comprehensive Income (Loss)			186	459
Adoption of new accounting standards updates (Note 1)					(1)	0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			0	0
Stock-based compensation plans			8	12
Repurchase of common stock			(100)	(30)
Dividends declared			(67)	(50)
Common stock issued from treasury			3	11
Purchase of minority shares			5	0
Balance at end of period	4,637	4,909	4,637	4,909
Minority Shareholders’ Equity – Nonredeemable
Increase (Decrease) in Stockholders' Equity
Balance at beginning of period			247	218
Comprehensive income (loss):
Net income			12	10
Foreign currency translation, net of tax of ($8) in 2018 ($19 in 2017)			(16)	13
Amortization of prior service cost and unrecognized gains and losses included in total benefit cost, net of tax of $16 in 2018 ($21 in 2017)			0	0
(Increase)/Decrease in net actuarial losses, net of tax of $6 in 2018 ($1 in 2017)			0	0
Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements, and divestitures, net of tax of $2 in 2018 ($0 in 2017)			0	0
Deferred derivative gains (losses), net of tax of $2 in 2018 (($7) in 2017)			0	0
Reclassification adjustment for amounts recognized in income, net of tax of $2 in 2018 (($1) in 2017)			0	0
Other Comprehensive Income (Loss)			(16)	13
Comprehensive Income (Loss)			(4)	23
Adoption of new accounting standards updates (Note 1)					$ 0	$ 0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(7)	(5)
Stock-based compensation plans			0	0
Repurchase of common stock			0	0
Dividends declared			0	0
Common stock issued from treasury			0	0
Purchase of minority shares			(29)	0
Balance at end of period	$ 207	$ 236	$ 207	$ 236