v3.25.4
Revenue - Disaggregation (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue $ 167,971 $ 171,606 $ 157,658
Leased vehicle income 7,800 7,297 7,266
Finance charge income 8,169 7,636 6,187
Other income 1,079 903 732
GM Financial net sales and revenue 17,048 15,836 14,184
Net sales and revenue 185,019 187,442 171,842
Operating Segments      
Disaggregation of Revenue [Line Items]      
Net sales and revenue 184,805 187,532 171,720
Operating Segments | GMI      
Disaggregation of Revenue [Line Items]      
Net sales and revenue 13,427 13,890 15,949
Operating Segments | Cruise      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 1 257 102
Net sales and revenue 1 257 102
Operating Segments | GM Financial      
Disaggregation of Revenue [Line Items]      
Leased vehicle income 7,800 7,297 7,266
Finance charge income 8,173 7,669 6,204
Other income 1,087 910 754
GM Financial net sales and revenue 17,060 15,875 14,225
Net sales and revenue 17,060 15,875 14,225
Corporate      
Disaggregation of Revenue [Line Items]      
Net sales and revenue 227 206 273
Eliminations/ Reclassifications      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 0 (256) (110)
Leased vehicle income 0 0 0
Finance charge income (4) (33) (18)
Other income (8) (7) (23)
GM Financial net sales and revenue (12) (40) (41)
Net sales and revenue (12) (296) (151)
Automotive      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 167,971 171,606 157,658
Automotive | Operating Segments      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 167,970 171,605 157,667
Net sales and revenue 167,970 171,605 157,667
Automotive | Operating Segments | GMNA      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 154,317 157,509 141,445
Net sales and revenue 154,317 157,509 141,445
Automotive | Operating Segments | GMI      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 13,427 13,890 15,949
Net sales and revenue 13,427 13,890 15,949
Automotive | Corporate      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 227 206 273
Net sales and revenue 227 206 273
Vehicle, parts, and accessories      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 160,511 165,170 151,510
Vehicle, parts, and accessories | Eliminations/ Reclassifications      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 0 (1) (10)
Vehicle, parts, and accessories | Automotive | Operating Segments      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 160,511 165,171 151,520
Vehicle, parts, and accessories | Automotive | Operating Segments | GMNA      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 148,076 152,306 136,983
Vehicle, parts, and accessories | Automotive | Operating Segments | GMI      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 12,290 12,775 14,424
Vehicle, parts, and accessories | Automotive | Corporate      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 145 90 113
Used vehicles      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 1,737 1,290 991
Used vehicles | Eliminations/ Reclassifications      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 0 0 0
Used vehicles | Automotive | Operating Segments      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 1,737 1,290 991
Used vehicles | Automotive | Operating Segments | GMNA      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 1,700 1,259 954
Used vehicles | Automotive | Operating Segments | GMI      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 37 31 37
Used vehicles | Automotive | Corporate      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 0 0 0
Services and other      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 5,724 5,147 5,157
Services and other | Operating Segments | Cruise      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 1 257 102
Services and other | Eliminations/ Reclassifications      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 0 (255) (100)
Services and other | Automotive | Operating Segments      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 5,723 5,145 5,155
Services and other | Automotive | Operating Segments | GMNA      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 4,541 3,944 3,508
Services and other | Automotive | Operating Segments | GMI      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue 1,100 1,084 1,487
Services and other | Automotive | Corporate      
Disaggregation of Revenue [Line Items]      
Automotive net sales and revenue $ 82 $ 116 $ 160