v3.26.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2021
Dec. 31, 2025
Operating Loss Carryforwards [Line Items]            
Income tax expense $ 46 $ 24 $ 112 $ 37    
Income (loss) before income taxes (161) 305 (341) 436    
Net discrete tax expense (benefit) $ 5 $ 4 $ 25 $ 5    
U.S. statutory rate 21.00% 21.00% 21.00% 21.00%    
Goodyear net income (loss) $ (204) $ 254 $ (453) $ 369    
Internal Revenue Service (IRS) | Settlement with Taxing Authority            
Operating Loss Carryforwards [Line Items]            
Goodyear net income (loss)         $ 1,500  
Deferred tax asset         $ 315  
Deferred Tax Assets, Tax Deferred Expense, Other 45   45      
Domestic, State and Local Jurisdiction            
Operating Loss Carryforwards [Line Items]            
Net deferred tax assets 1,600   1,600     $ 1,400
Valuation allowance 1,600   1,600     1,400
Income Tax Jurisdiction, Foreign            
Operating Loss Carryforwards [Line Items]            
Net deferred tax assets 1,600   1,600     1,500
Valuation allowance 1,300   1,300     1,300
Income Tax Jurisdiction, Foreign | Luxembourg            
Operating Loss Carryforwards [Line Items]            
Valuation allowance $ 1,100   $ 1,100     $ 1,100