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Schedule IV Reinsurance (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule IV - Reinsurance [Abstract] |
Supplemental Schedule of Reinsurance Premiums for Insurance Companies |
| Gross Amount |  | Ceded to Other Companies |  | Assumed from Other Companies |  | Net Amount |  | Percentage Amount Assumed to Net
| (in millions of dollars) |  |
Year Ended December 31, 2011 |  |  |  |  |  |  |  |  |
Life Insurance in Force | $ | 782,935.6 |  |  | $ | 28,341.1 |  |  | $ | 1,141.6 |  |  | $ | 755,736.1 |  |  | 0.2 | %
Premium Income: |  |  |  |  |  |  |  |  |
Life Insurance | $ | 1,868.8 |  |  | $ | 146.6 |  |  | $ | 10.9 |  |  | $ | 1,733.1 |  |  | 0.6 | %
Accident, Health, and Other Insurance | 5,652.7 |  |  | 77.3 |  |  | 205.7 |  |  | 5,781.1 |  |  | 3.6 | %
Total | $ | 7,521.5 |  |  | $ | 223.9 |  |  | $ | 216.6 |  |  | $ | 7,514.2 |  |  | 2.9 | %
Year Ended December 31, 2010 |  |  |  |  |  |  |  |  |
Life Insurance in Force | $ | 740,779.6 |  |  | $ | 28,385.4 |  |  | $ | 1,850.5 |  |  | $ | 714,244.7 |  |  | 0.3 | %
Premium Income: |  |  |  |  |  |  |  |  |
Life Insurance | $ | 1,810.9 |  |  | $ | 159.1 |  |  | $ | 12.5 |  |  | $ | 1,664.3 |  |  | 0.8 | %
Accident, Health, and Other Insurance | 5,623.4 |  |  | 85.1 |  |  | 228.8 |  |  | 5,767.1 |  |  | 4.0 | %
Total | $ | 7,434.3 |  |  | $ | 244.2 |  |  | $ | 241.3 |  |  | $ | 7,431.4 |  |  | 3.2 | %
Year Ended December 31, 2009 |  |  |  |  |  |  |  |  |
Life Insurance in Force | $ | 675,382.0 |  |  | $ | 28,027.1 |  |  | $ | 1,895.5 |  |  | $ | 649,250.4 |  |  | 0.3 | %
Premium Income: |  |  |  |  |  |  |  |  |
Life Insurance | $ | 1,757.5 |  |  | $ | 166.4 |  |  | $ | 11.8 |  |  | $ | 1,602.9 |  |  | 0.7 | %
Accident, Health, and Other Insurance | 5,737.2 |  |  | 92.3 |  |  | 227.7 |  |  | 5,872.6 |  |  | 3.9 | %
Total | $ | 7,494.7 |  |  | $ | 258.7 |  |  | $ | 239.5 |  |  | $ | 7,475.5 |  |  | 3.2 | %

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