| Segment Information |
Segment information as of and for the year ended December 31, 2014, follows ($ in millions): | | | | | | | | | | | | | | | | | |
Managed Care | | Specialty Services | | Eliminations | | Consolidated Total | Premium and service revenues from external customers | $ | 13,886 |
| | $ | 1,781 |
| | $ | — |
| | $ | 15,667 |
| Premium and service revenues from internal customers | 60 |
| | 3,019 |
| | (3,079 | ) | | — |
| Total premium and service revenues | 13,946 |
| | 4,800 |
| | (3,079 | ) | | 15,667 |
| Earnings from operations | 353 |
| | 111 |
| | — |
| | 464 |
| Total assets | 4,620 |
| | 1,118 |
| | — |
| | 5,738 |
|
Segment information as of and for the year ended December 31, 2013, follows ($ in millions): | | | | | | | | | | | | | | | | | |
Managed Care | | Specialty Services | | Eliminations | | Consolidated Total | Premium and service revenues from external customers | $ | 9,741 |
| | $ | 785 |
| | $ | — |
| | $ | 10,526 |
| Premium and service revenues from internal customers | 41 |
| | 2,147 |
| | (2,188 | ) | | — |
| Total premium and service revenues | 9,782 |
| | 2,932 |
| | (2,188 | ) | | 10,526 |
| Earnings from operations | 198 |
| | 79 |
| | — |
| | 277 |
| Total assets | 2,817 |
| | 596 |
| | — |
| | 3,413 |
|
Segment information as of and for the year ended December 31, 2012, follows ($ in millions): | | | | | | | | | | | | | | | | | |
Managed Care | | Specialty Services | | Eliminations | | Consolidated Total | Premium and service revenues from external customers | $ | 7,125 |
| | $ | 557 |
| | $ | — |
| | $ | 7,682 |
| Premium and service revenues from internal customers | 87 |
| | 1,550 |
| | (1,637 | ) | | — |
| Total premium and service revenues | 7,212 |
| | 2,107 |
| | (1,637 | ) | | 7,682 |
| Earnings from operations | 63 |
| | 45 |
| | — |
| | 108 |
| Total assets | 2,164 |
| | 371 |
| | — |
| | 2,535 |
|
|