| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
The following tables summarize key financial information by segment (dollars in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GMNA | | GME | | GMIO | | GMSA | | Corporate | | Eliminations | | Total Automotive | | GM Financial | | Eliminations | | Total | At and For the Three Months Ended March 31, 2012 | | | | | | | | | | | | | | | | | | | | Sales | | | | | | | | | | | | | | | | | | | | External customers | $ | 23,175 |
| | $ | 5,255 |
| | $ | 5,016 |
| | $ | 3,867 |
| | $ | 15 |
| | $ | — |
| | $ | 37,328 |
| | $ | — |
| | $ | — |
| | $ | 37,328 |
| GM Financial revenue | — |
| | — |
| | — |
| | — |
| | — |
| | — |
| | — |
| | 431 |
| | — |
| | 431 |
| Intersegment | 1,001 |
| | 258 |
| | 1,044 |
| | 72 |
| | — |
| | (2,375 | ) | | — |
| | — |
| | — |
| | — |
| Total net sales and revenue | $ | 24,176 |
| | $ | 5,513 |
| | $ | 6,060 |
| | $ | 3,939 |
| | $ | 15 |
| | $ | (2,375 | ) | | $ | 37,328 |
| | $ | 431 |
| | $ | — |
| | $ | 37,759 |
| | | | | | | | | | | | | | | | | | | | | Income (loss) before automotive interest and income taxes-adjusted | $ | 1,691 |
| | $ | (256 | ) | | $ | 529 |
| | $ | 83 |
| | $ | (19 | ) | | $ | (27 | ) | | $ | 2,001 |
| | $ | 181 |
| | $ | — |
| | $ | 2,182 |
| Adjustments(a) | $ | — |
| | $ | (590 | ) | | $ | (22 | ) | | $ | — |
| | — |
| | $ | — |
| | $ | (612 | ) | | — |
| | $ | — |
| | (612 | ) | Corporate interest income | | | | | | | | | 89 |
| | | | | | — |
| | | | 89 |
| Automotive interest expense | | | | | | | | | 110 |
| | | | | | — |
| | | | 110 |
| Loss on extinguishment of debt | | | | | | | | | 18 |
| | | | | | — |
| | | | 18 |
| Income (loss) before income taxes | | | | | | | | | (58 | ) | | | | | | 181 |
| | | | 1,531 |
| Income tax expense | | | | | | | | | 142 |
| | | | | | 74 |
| | | | 216 |
| Net income (loss) attributable to stockholders | | | | | | | | | $ | (200 | ) | | | | | | $ | 107 |
| | | | $ | 1,315 |
| | | | | | | | | | | | | | | | | | | | | Equity in net assets of nonconsolidated affiliates | $ | 63 |
| | $ | 51 |
| | $ | 6,676 |
| | $ | 3 |
| | $ | — |
| | $ | — |
| | $ | 6,793 |
| | $ | — |
| | $ | — |
| | $ | 6,793 |
| Total assets | $ | 87,593 |
| | $ | 17,000 |
| | $ | 23,222 |
| | $ | 12,086 |
| | $ | 31,354 |
| | $ | (34,275 | ) | | $ | 136,980 |
| | $ | 13,656 |
| | $ | (442 | ) | | $ | 150,194 |
| Expenditures for property | $ | 1,032 |
| | $ | 365 |
| | $ | 295 |
| | $ | 280 |
| | $ | 18 |
| | $ | — |
| | $ | 1,990 |
| | $ | 4 |
| | $ | — |
| | $ | 1,994 |
| Depreciation, amortization and impairment of long-lived assets and finite-lived intangible assets | $ | 888 |
| | $ | 280 |
| | $ | 129 |
| | $ | 118 |
| | $ | 12 |
| | $ | — |
| | $ | 1,427 |
| | $ | 43 |
| | $ | (2 | ) | | $ | 1,468 |
| Equity income, net of tax | $ | 2 |
| | $ | — |
| | $ | 421 |
| | $ | — |
| | $ | — |
| | $ | — |
| | $ | 423 |
| | $ | — |
| | $ | — |
| | $ | 423 |
| | | | | | | | | | | | | | | | | | | | | Significant non-cash charges not classified as adjustments in(a) | | | | | | | | | | | | | | | | | | | | Impairment charges related to long-lived assets | $ | 24 |
| | $ | — |
| | $ | 6 |
| | $ | 1 |
| | $ | — |
| | $ | — |
| | $ | 31 |
| | $ | — |
| | $ | — |
| | $ | 31 |
| Impairment charges related to equipment on operating leases | 20 |
| | 35 |
| | — |
| | — |
| | — |
| | — |
| | 55 |
| | — |
| | — |
| | 55 |
| Total significant non-cash charges | $ | 44 |
| | $ | 35 |
| | $ | 6 |
| | $ | 1 |
| | $ | — |
| | $ | — |
| | $ | 86 |
| | $ | — |
| | $ | — |
| | $ | 86 |
|
__________ | | (a) | Consists of Goodwill impairment charges of $590 million in GME and $22 million in GMIO. |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GMNA | | GME | | GMIO | | GMSA | | Corporate | | Eliminations | | Total Automotive | | GM Financial | | Eliminations | | Total | For the Three Months Ended March 31, 2011 | | | | | | | | | | | | | | | | | | | | Sales | | | | | | | | | | | | | | | | | | | | External customers | $ | 21,283 |
| | $ | 6,262 |
| | $ | 4,492 |
| | $ | 3,846 |
| | $ | 16 |
| | $ | — |
| | $ | 35,899 |
| | $ | — |
| | $ | — |
| | $ | 35,899 |
| GM Financial revenue | — |
| | — |
| | — |
| | — |
| | — |
| | — |
| | — |
| | 295 |
| | — |
| | 295 |
| Intersegment(a) | 827 |
| | 608 |
| | 716 |
| | 50 |
| | — |
| | (2,201 | ) | | — |
| | — |
| | — |
| | — |
| Total net sales and revenue | $ | 22,110 |
| | $ | 6,870 |
| | $ | 5,208 |
| | $ | 3,896 |
| | $ | 16 |
| | $ | (2,201 | ) | | $ | 35,899 |
| | $ | 295 |
| | $ | — |
| | $ | 36,194 |
| | | | | | | | | | | | | | | | | | | | | Income (loss) before automotive interest and income taxes-adjusted | $ | 1,253 |
| | $ | 5 |
| | $ | 586 |
| | $ | 90 |
| | $ | (20 | ) | | $ | (2 | ) | | $ | 1,912 |
| | $ | 130 |
| | $ | — |
| | $ | 2,042 |
| Adjustments(b) | $ | 1,645 |
| | $ | (395 | ) | | $ | (106 | ) | | $ | — |
| | 339 |
| | $ | — |
| | $ | 1,483 |
| | — |
| | $ | — |
| | 1,483 |
| Corporate interest income | | | | | | | | | 127 |
| | | | | | — |
| | | | 127 |
| Automotive interest expense | | | | | | | | | 149 |
| | | | | | — |
| | | | 149 |
| Income before income taxes | | | | | | | | | 297 |
| | | | | | 130 |
| | | | 3,503 |
| Income tax expense | | | | | | | | | 66 |
| | | | | | 71 |
| | | | 137 |
| Net income attributable to stockholders | | | | | | | | | $ | 231 |
| | | | | | $ | 59 |
| | | | $ | 3,366 |
| | | | | | | | | | | | | | | | | | | | | Expenditures for property | $ | 581 |
| | $ | 237 |
| | $ | 295 |
| | $ | 189 |
| | $ | 20 |
| | $ | — |
| | $ | 1,322 |
| | $ | — |
| | $ | — |
| | $ | 1,322 |
| Depreciation, amortization and impairment of long-lived assets and finite-lived intangible assets | $ | 977 |
| | $ | 340 |
| | $ | 116 |
| | $ | 116 |
| | $ | 13 |
| | $ | — |
| | $ | 1,562 |
| | $ | 14 |
| | $ | — |
| | $ | 1,576 |
| Equity income, net of tax and gain on disposal of investments | $ | 1,729 |
| | $ | — |
| | $ | 415 |
| | $ | — |
| | $ | — |
| | $ | — |
| | $ | 2,144 |
| | $ | — |
| | $ | — |
| | $ | 2,144 |
| Significant non-cash charges not classified as adjustments in(b) | | | | | | | | | | | | | | | | | | | | Impairment charges related to long-lived assets | $ | 23 |
| | $ | — |
| | $ | 2 |
| | $ | 1 |
| | $ | — |
| | $ | — |
| | $ | 26 |
| | $ | — |
| | $ | — |
| | $ | 26 |
| Impairment charges related to equipment on operating leases | 15 |
| | 24 |
| | — |
| | — |
| | — |
| | — |
| | 39 |
| | — |
| | — |
| | 39 |
| Total significant non-cash charges | $ | 38 |
| | $ | 24 |
| | $ | 2 |
| | $ | 1 |
| | $ | — |
| | $ | — |
| | $ | 65 |
| | $ | — |
| | $ | — |
| | $ | 65 |
|
__________ | | (a) | Presentation of intersegment sales has been adjusted to conform to the current presentation. |
| | (b) | Consists of the gain on sale of our New Delphi Class A Membership Interests of $1.6 billion in GMNA, Goodwill impairment charges of $395 million in GME, charges related to HKJV of $106 million in GMIO and a gain on the sale of Ally Financial preferred stock of $339 million in Corporate. |
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