| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
The following tables summarize key financial information by segment (dollars in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At and For the Three Months Ended June 30, 2015 | | GMNA | | GME | | GMIO | | GMSA | | Corporate | | Eliminations | | Total Automotive | | GM Financial | | Eliminations | | Total | Net sales and revenue | $ | 26,481 |
| | $ | 4,987 |
| | $ | 3,053 |
| | $ | 2,109 |
| | $ | 40 |
| | | | $ | 36,670 |
| | $ | 1,515 |
| | $ | (5 | ) | | $ | 38,180 |
| Income (loss) before automotive interest and taxes-adjusted | $ | 2,780 |
| | $ | (45 | ) | | $ | 349 |
| | $ | (144 | ) | | $ | (292 | ) | | | | $ | 2,648 |
| | $ | 225 |
| | $ | (2 | ) | | $ | 2,871 |
| Adjustments(a) | $ | (3 | ) | | $ | (17 | ) | | $ | (295 | ) | | $ | (720 | ) | | $ | (75 | ) | | | | $ | (1,110 | ) | | $ | — |
| | $ | — |
| | (1,110 | ) | Automotive interest income | | | | | | | | | | | | | | | | | | | 41 |
| Automotive interest expense | | | | | | | | | | | | | | | | | | | (108 | ) | Net income attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | 23 |
| Income before income taxes | | | | | | | | | | | | | | | | | | | 1,717 |
| Income tax expense | | | | | | | | | | | | | | | | | | | (577 | ) | Net (income) attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | (23 | ) | Net income attributable to stockholders | | | | | | | | | | | | | | | | | | | $ | 1,117 |
| | | | | | | | | | | | | | | | | | | | | Total assets | $ | 89,684 |
| | $ | 11,126 |
| | $ | 21,081 |
| | $ | 8,269 |
| | $ | 21,874 |
| | $ | (19,836 | ) | | $ | 132,198 |
| | $ | 55,442 |
| | $ | (1,828 | ) | | $ | 185,812 |
| Depreciation, amortization and impairment of long-lived assets and finite-lived intangible assets | $ | 1,033 |
| | $ | 118 |
| | $ | 415 |
| | $ | 107 |
| | $ | 4 |
| | $ | (1 | ) | | $ | 1,676 |
| | $ | 494 |
| | $ | — |
| | $ | 2,170 |
|
__________ | | (a) | Consists of costs related to the change in our business model in Russia of $17 million in GME; asset impairment charges of $297 million related to our Thailand subsidiaries in GMIO; Venezuela currency devaluation of $604 million and asset impairment charges of $116 million related to our Venezuela subsidiaries in GMSA; a charge related to the ignition switch recall compensation program of $75 million in Corporate; and other of $1 million. |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At and For the Three Months Ended June 30, 2014 | | GMNA | | GME | | GMIO | | GMSA | | Corporate | | Eliminations | | Total Automotive | | GM Financial | | Eliminations | | Total | Net sales and revenue | $ | 25,671 |
| | $ | 5,974 |
| | $ | 3,602 |
| | $ | 3,177 |
| | $ | 38 |
| | | | $ | 38,462 |
| | $ | 1,191 |
| | $ | (4 | ) | | $ | 39,649 |
| Income (loss) before automotive interest and taxes-adjusted | $ | 1,385 |
| | $ | (305 | ) | | $ | 315 |
| | $ | (81 | ) | | $ | (220 | ) | | | | $ | 1,094 |
| | $ | 258 |
| | $ | (1 | ) | | $ | 1,351 |
| Adjustments(a) | $ | (874 | ) | | $ | — |
| | $ | (12 | ) | | $ | — |
| | $ | (400 | ) | | | | $ | (1,286 | ) | | $ | 7 |
| | $ | — |
| | (1,279 | ) | Automotive interest income | | | | | | | | | | | | | | | | | | | 52 |
| Automotive interest expense | | | | | | | | | | | | | | | | | | | (100 | ) | Net income attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | 9 |
| Income before income taxes | | | | | | | | | | | | | | | | | | | 33 |
| Income tax benefit | | | | | | | | | | | | | | | | | | | 254 |
| Net (income) attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | (9 | ) | Net income attributable to stockholders | | | | | | | | | | | | | | | | | | | $ | 278 |
| | | | | | | | | | | | | | | | | | | | | Total assets | $ | 97,777 |
| | $ | 12,289 |
| | $ | 22,990 |
| | $ | 11,068 |
| | $ | 28,458 |
| | $ | (34,195 | ) | | $ | 138,387 |
| | $ | 42,537 |
| | $ | (1,826 | ) | | $ | 179,098 |
| Depreciation, amortization and impairment of long-lived assets and finite-lived intangible assets | $ | 1,221 |
| | $ | 115 |
| | $ | 162 |
| | $ | 104 |
| | $ | 19 |
| | $ | (1 | ) | | $ | 1,620 |
| | $ | 199 |
| | $ | — |
| | $ | 1,819 |
|
__________ | | (a) | Consists of a catch-up adjustment related to the change in estimate for recall campaigns of $874 million in GMNA; a charge related to the ignition switch recall compensation program of $400 million in Corporate; and other of $5 million. |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the Six Months Ended June 30, 2015 | | GMNA | | GME | | GMIO | | GMSA | | Corporate | | Eliminations | | Total Automotive | | GM Financial | | Eliminations | | Total | Net sales and revenue | $ | 51,157 |
| | $ | 9,436 |
| | $ | 6,165 |
| | $ | 4,201 |
| | $ | 75 |
| | | | $ | 71,034 |
| | $ | 2,869 |
| | $ | (11 | ) | | $ | 73,892 |
| Income (loss) before automotive interest and taxes-adjusted | $ | 4,962 |
| | $ | (284 | ) | | $ | 720 |
| | $ | (358 | ) | | $ | (521 | ) | | | | $ | 4,519 |
| | $ | 439 |
| | $ | (5 | ) | | $ | 4,953 |
| Adjustments(a) | $ | 29 |
| | $ | (354 | ) | | $ | (387 | ) | | $ | (720 | ) | | $ | (225 | ) | | | | $ | (1,657 | ) | | $ | — |
| | $ | — |
| | (1,657 | ) | Automotive interest income | | | | | | | | | | | | | | | | | | | 90 |
| Automotive interest expense | | | | | | | | | | | | | | | | | | | (218 | ) | Net (loss) attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | (14 | ) | Income before income taxes | | | | | | | | | | | | | | | | | | | 3,154 |
| Income tax expense | | | | | | | | | | | | | | | | | | | (1,106 | ) | Net loss attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | 14 |
| Net income attributable to stockholders | | | | | | | | | | | | | | | | | | | $ | 2,062 |
| | | | | | | | | | | | | | | | | | | | | Depreciation, amortization and impairment of long-lived assets and finite-lived intangible assets | $ | 2,134 |
| | $ | 239 |
| | $ | 526 |
| | $ | 183 |
| | $ | 8 |
| | $ | (2 | ) | | $ | 3,088 |
| | $ | 839 |
| | $ | — |
| | $ | 3,927 |
|
__________ | | (a) | Consists of net insurance recoveries related to flood damage of $29 million in GMNA; costs related to the change in our business model in Russia of $354 million in GME and $89 million in GMIO, which is net of noncontrolling interests; asset impairment charges of $297 million related to our Thailand subsidiaries in GMIO; Venezuela currency devaluation of $604 million and asset impairment charges of $116 million related to our Venezuela subsidiaries in GMSA; charges related to the ignition switch recall compensation program of $225 million in Corporate; and other of $1 million. |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the Six Months Ended June 30, 2014 | | GMNA | | GME | | GMIO | | GMSA | | Corporate | | Eliminations | | Total Automotive | | GM Financial | | Eliminations | | Total | Net sales and revenue | $ | 50,075 |
| | $ | 11,594 |
| | $ | 6,832 |
| | $ | 6,202 |
| | $ | 74 |
| | | | $ | 74,777 |
| | $ | 2,288 |
| | $ | (8 | ) | | $ | 77,057 |
| Income (loss) before automotive interest and taxes-adjusted | $ | 1,942 |
| | $ | (589 | ) | | $ | 567 |
| | $ | (237 | ) | | $ | (343 | ) | | | | $ | 1,340 |
| | $ | 479 |
| | $ | (2 | ) | | $ | 1,817 |
| Adjustments(a) | $ | (874 | ) | | $ | — |
| | $ | (21 | ) | | $ | (419 | ) | | $ | (400 | ) | | | | $ | (1,714 | ) | | $ | 8 |
| | $ | — |
| | (1,706 | ) | Automotive interest income | | | | | | | | | | | | | | | | | | | 105 |
| Automotive interest expense | | | | | | | | | | | | | | | | | | | (203 | ) | Net income attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | 76 |
| Income before income taxes | | | | | | | | | | | | | | | | | | | 89 |
| Income tax benefit | | | | | | | | | | | | | | | | | | | 478 |
| Net (income) attributable to noncontrolling interests | | | | | | | | | | | | | | | | | | | (76 | ) | Net income attributable to stockholders | | | | | | | | | | | | | | | | | | | $ | 491 |
| | | | | | | | | | | | | | | | | | | | | Depreciation, amortization and impairment of long-lived assets and finite-lived intangible assets | $ | 2,313 |
| | $ | 224 |
| | $ | 276 |
| | $ | 205 |
| | $ | 35 |
| | $ | (2 | ) | | $ | 3,051 |
| | $ | 375 |
| | $ | — |
| | $ | 3,426 |
|
__________ | | (a) | Consists of a catch-up adjustment related to the change in estimate for recall campaigns of $874 million in GMNA; Venezuela currency devaluation of $419 million in GMSA; a charge related to the ignition switch recall compensation program of $400 million in Corporate; and other of $13 million. |
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