v3.25.4
Derivative Financial Instruments - Derivative Financial Instruments (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Derivative [Line Items]      
Gains (losses) recognized In accumulated other comprehensive income (loss) $ 155 $ 85 $ 1
DerivativeAssetStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag Fair Value of Assets Fair Value of Assets  
DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag Fair Value of Liabilities Fair Value of Liabilities  
Fair value of assets (liabilities) available for offset $ 520 $ 693  
Automotive      
Derivative [Line Items]      
Notional 14,244 13,283  
Fair Value of Assets 486 227  
Fair Value of Liabilities 106 288  
Gains (losses) recognized In accumulated other comprehensive income (loss) 385    
Cash flow hedge gain (loss) to be reclassified within 12 Months 367    
Automotive | Designated as Hedges | Fair Value Hedges | Interest rate swaps | Fair Value Level 2      
Derivative [Line Items]      
Notional 5,825 4,405  
Fair Value of Assets 97 13  
Fair Value of Liabilities 2 61  
Automotive | Designated as Hedges | Cash Flow Hedges | Foreign exchange contracts | Fair Value Level 2      
Derivative [Line Items]      
Notional 7,176 6,555  
Fair Value of Assets 23 190  
Fair Value of Liabilities 101 124  
Automotive | Designated as Hedges | Cash Flow Hedges | Commodity contracts | Fair Value Level 2      
Derivative [Line Items]      
Notional 1,243 2,323  
Fair Value of Assets 366 24  
Fair Value of Liabilities 3 103  
GM Financial      
Derivative [Line Items]      
Notional 167,913 169,727  
Fair Value of Assets 1,107 981  
Fair Value of Liabilities 1,175 2,427  
Collateral   190  
Collateral available for netting 615 1,200  
GM Financial | Fair Value Hedges | Interest rate swaps      
Derivative [Line Items]      
Loss on fair value hedges 210 200  
GM Financial | Cash Flow Hedges | Foreign exchange contracts      
Derivative [Line Items]      
Gains (losses) recognized In accumulated other comprehensive income (loss) 538 (375)  
(Gains) losses reclassified from accumulated other comprehensive income (loss) into income (loss) (649) 422  
GM Financial | Designated as Hedges | Fair Value Hedges | Interest rate swaps | Fair Value Level 2      
Derivative [Line Items]      
Notional 33,880 36,145  
Fair Value of Assets 88 32  
Fair Value of Liabilities 457 621  
GM Financial | Designated as Hedges | Cash Flow Hedges | Interest rate swaps | Fair Value Level 2      
Derivative [Line Items]      
Notional 2,302 1,873  
Fair Value of Assets 18 35  
Fair Value of Liabilities 23 4  
GM Financial | Designated as Hedges | Cash Flow Hedges | Foreign currency swaps | Fair Value Level 2      
Derivative [Line Items]      
Notional 9,226 8,363  
Fair Value of Assets 580 80  
Fair Value of Liabilities 58 508  
GM Financial | Not Designated as Hedges | Interest rate contracts | Fair Value Level 2      
Derivative [Line Items]      
Notional 122,505 123,346  
Fair Value of Assets 421 833  
Fair Value of Liabilities $ 637 $ 1,294