Operating Segments, Revenues (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
|||
| Segment Reporting Information [Line Items] | ||||||
| Revenues | [1] | $ 6,312 | $ 6,384 | $ 17,452 | $ 19,223 | |
| Operating segments | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenues | 5,468 | 5,479 | 14,867 | 16,637 | ||
| CLL | Operating segments | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenues | 285 | 251 | 790 | 743 | ||
| Consumer | Operating segments | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenues | 3,652 | 3,622 | 9,237 | 10,822 | ||
| Energy Financial Services | Operating segments | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenues | 225 | 344 | 906 | 1,120 | ||
| GECAS | Operating segments | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenues | 1,307 | 1,262 | 3,935 | 3,952 | ||
| Corporate Items And Eliminations [Member] | Operating segments | ||||||
| Segment Reporting Information [Line Items] | ||||||
| Revenues | $ 843 | $ 905 | $ 2,585 | $ 2,586 | ||
| ||||||