v3.26.1
Variable Interest Entities (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Consolidated [Abstract]      
Total assets $ 280,974 $ 281,284 $ 282,104
Variable Interest Entity, Not Primary Beneficiary      
Consolidated [Abstract]      
Total assets 3,700 3,600  
Maximum loss exposure amount 8,400 8,500  
Variable Interest Entity, Not Primary Beneficiary | Battery Cell Manufacturing Joint Ventures | Capital Addition Purchase Commitments      
Consolidated [Abstract]      
Committed capital contributions 4,000 4,000  
GM Financial      
Consolidated [Abstract]      
GM Financial receivables – current 43,751 45,266  
GM Financial receivables – non-current 43,724 44,384  
GM Financial short-term debt and current portion of long-term debt 35,888 35,012  
GM Financial long-term debt 75,940 79,018  
GM Financial | Consolidated VIE      
Consolidated [Abstract]      
Restricted cash – current 3,473 2,635  
Restricted cash – non-current 244 253  
GM Financial receivables – current 27,377 29,126  
GM Financial receivables – non-current 20,653 20,128  
GM Financial equipment on operating leases, net 13,483 13,791  
GM Financial short-term debt and current portion of long-term debt 19,278 17,681  
GM Financial long-term debt $ 27,566 $ 29,232