v3.25.4
Restructuring and Other Initiatives - Narrative (Details) - USD ($)
$ in Millions
 1 Months Ended 3 Months Ended 12 Months Ended 27 Months Ended
Jun. 30, 2024
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2025
Restructuring Cost and Reserve [Line Items]              
Additions, interest accretion, and other       $ 4,939 $ 1,790 $ 1,831  
Restructuring payments       2,141 1,303 1,597  
Acquired credits subject to impairment   $ 1,100   1,100   1,100 $ 1,100
Carrying amount of our acquired credits   1,400   $ 1,400 2,100   1,400
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]       Automotive and other cost of sales, Automotive and other selling, general, and administrative expense      
GMNA              
Restructuring Cost and Reserve [Line Items]              
Additions, interest accretion, and other   6,000 $ 1,600 $ 7,900      
Carrying amount of our acquired credits   1,400   1,400     1,400
Pre-tax restructuring costs         964 569  
GMNA | Impairment And Other Charges              
Restructuring Cost and Reserve [Line Items]              
Additions, interest accretion, and other       3,200      
GMNA | Contract Termination              
Restructuring Cost and Reserve [Line Items]              
Additions, interest accretion, and other       4,700      
GMNA | Contract Cancellation Fees And Commercial Settlements              
Restructuring Cost and Reserve [Line Items]              
Additions, interest accretion, and other       4,300      
GMNA | Dealer Restructuring and Employee Separation Payments              
Restructuring Cost and Reserve [Line Items]              
Restructuring payments       718 530 674  
Restructuring cost incurred to date   2,000   2,000     2,000
Cash outflows to date   $ 2,000   2,000     2,000
GMNA | Voluntary Separation Program              
Restructuring Cost and Reserve [Line Items]              
Restructuring payments           820  
Pre-tax restructuring costs           1,000  
Non-cash pension curtailment and settlement charges           130  
Employee separation charges           905  
GMNA | Employee Severance              
Restructuring Cost and Reserve [Line Items]              
Additions, interest accretion, and other         200    
Restructuring payments         163    
GMNA | EV Related Write Down              
Restructuring Cost and Reserve [Line Items]              
Restructuring payments       400      
Cruise              
Restructuring Cost and Reserve [Line Items]              
Additions, interest accretion, and other $ 631       173    
Restructuring payments       347     $ 633
Pre-tax restructuring costs         522 529  
Non-cash pension curtailment and settlement charges           $ 250  
Restructuring reserve, accrual adjustment       $ 76      
GMI              
Restructuring Cost and Reserve [Line Items]              
Pre-tax restructuring costs         170    
Non-cash pension curtailment and settlement charges         79    
Supplier related charges         $ 88