XML 58 R46.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue - Major Source (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue $ 13,363 $ 32,425 $ 42,513 $ 63,686
Leased vehicle income 2,386 2,512 4,849 5,021
Finance charge income 966 1,006 1,971 1,991
Other income 63 117 154 240
GM Financial net sales and revenue 3,415 3,635 6,974 7,252
Net sales and revenue 16,778 36,060 49,487 70,938
Operating Segments [Member] | Cruise [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 28 25 53 50
Net sales and revenue 28 25 53 50
Operating Segments [Member] | GM Financial [Member]        
Disaggregation of Revenue [Line Items]        
Leased vehicle income 2,386 2,512 4,849 5,021
Finance charge income 966 1,008 1,972 1,995
Other income 71 119 163 243
GM Financial net sales and revenue 3,423 3,639 6,984 7,259
Net sales and revenue 3,423 3,639 6,984 7,259
Eliminations/ Reclassifications [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue (26) (25) (50) (50)
Leased vehicle income 0 0 0 0
Finance charge income 0 (2) (1) (4)
Other income (8) (2) (9) (3)
GM Financial net sales and revenue (8) (4) (10) (7)
Net sales and revenue (34) (29) (60) (57)
Automotive [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 13,363 32,425 42,513 63,686
Automotive [Member] | Operating Segments [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 13,361 32,425 42,510 63,686
Net sales and revenue 13,361 32,425 42,510 63,686
Automotive [Member] | Operating Segments [Member] | GMNA [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 11,604 28,324 37,435 55,689
Net sales and revenue 11,604 28,324 37,435 55,689
Automotive [Member] | Operating Segments [Member] | GMI [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 1,677 4,047 4,957 7,897
Net sales and revenue 1,677 4,047 4,957 7,897
Automotive [Member] | Corporate [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 80 54 118 100
Net sales and revenue 80 54 118 100
Vehicles and Parts [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 12,289 30,720 39,863 60,249
Vehicles and Parts [Member] | Eliminations/ Reclassifications [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 0 0 0 0
Vehicles and Parts [Member] | Automotive [Member] | Operating Segments [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 12,289 30,720 39,863 60,249
Vehicles and Parts [Member] | Automotive [Member] | Operating Segments [Member] | GMNA [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 10,850 26,976 35,426 52,938
Vehicles and Parts [Member] | Automotive [Member] | Operating Segments [Member] | GMI [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 1,439 3,744 4,437 7,311
Vehicles and Parts [Member] | Automotive [Member] | Corporate [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 0 0 0 0
Used Vehicles [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 147 606 550 1,268
Used Vehicles [Member] | Eliminations/ Reclassifications [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 0 0 0 0
Used Vehicles [Member] | Automotive [Member] | Operating Segments [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 147 606 550 1,268
Used Vehicles [Member] | Automotive [Member] | Operating Segments [Member] | GMNA [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 122 577 498 1,204
Used Vehicles [Member] | Automotive [Member] | Operating Segments [Member] | GMI [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 17 29 42 64
Used Vehicles [Member] | Automotive [Member] | Corporate [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 8 0 10 0
Services and Other [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 927 1,099 2,100 2,169
Services and Other [Member] | Operating Segments [Member] | Cruise [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 28 25 53 50
Services and Other [Member] | Eliminations/ Reclassifications [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue (26) (25) (50) (50)
Services and Other [Member] | Automotive [Member] | Operating Segments [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 925 1,099 2,097 2,169
Services and Other [Member] | Automotive [Member] | Operating Segments [Member] | GMNA [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 632 771 1,511 1,547
Services and Other [Member] | Automotive [Member] | Operating Segments [Member] | GMI [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue 221 274 478 522
Services and Other [Member] | Automotive [Member] | Corporate [Member]        
Disaggregation of Revenue [Line Items]        
Automotive net sales and revenue $ 72 $ 54 $ 108 $ 100