v3.22.4
Segment Reporting - Revenues and long-lived assets by geographic region (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]      
GM Financial $ 12,760 $ 13,414 $ 13,812
Net Sales and Revenue 156,735 127,004 122,485
Long-Lived Assets $ 77,950 $ 79,044 77,451
MEXICO | Assets, Total | Geographic Concentration Risk      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Concentration risk, percentage 11.00% 10.00%  
Automotive | U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Automotive net sales and revenue $ 116,798 $ 92,771 89,204
Long-Lived Assets 30,201 27,192 24,932
Automotive | Non-U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Automotive net sales and revenue 27,177 20,819 19,469
Long-Lived Assets 14,907 13,771 12,516
GM Financial      
Revenues from External Customers and Long-Lived Assets [Line Items]      
GM Financial 12,760 13,414 13,812
GM Financial | U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
GM Financial 11,035 11,712 12,227
Long-Lived Assets 29,411 34,452 36,773
GM Financial | Non-U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
GM Financial 1,725 1,702 1,585
Long-Lived Assets $ 3,431 $ 3,629 $ 3,230