Accumulated Other Comprehensive Loss - Schedule of Reclassifications (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense	$ 91	$ 36	$ 147	$ 95
Income tax expense	1,464	9	1,501	75
Goodyear Net Income (Loss)	2,195	37	1,826	27
Cost of Goods Sold	3,801	3,882	11,019	11,231
Amount Reclassified from AOCL
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Goodyear Net Income (Loss)	103	21	151	59
Amount Reclassified from AOCL | Foreign currency translation adjustment, before tax
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense	0	0	8	0
Income tax expense	0	0	0	0
Goodyear Net Income (Loss)	0	0	8	0
Amount Reclassified from AOCL | Accumulated Defined Benefit Plans Adjustment Attributable to Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other (income) expense	25	28	76	82
Income tax expense	10	(7)	(3)	(19)
Immediate recognition of prior service cost and unrecognized gains and losses due to curtailments, settlements and divestitures	68	0	70	(5)
Goodyear Net Income (Loss)	103	21	143	58
Unrecognized net actuarial losses and prior service costs, before tax	93	28	146	77
Amount Reclassified from AOCL | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	0	0	0	0
Goodyear Net Income (Loss)	0	0	0	1
Cost of Goods Sold	$ 0	$ 0	$ 0	$ 1