| Revenues | | 1,622.00 | 1,527.00 | 1,689.00 | 1,816.00 |
| Operating Expenses | | 487.00 | 477.00 | 503.00 | 480.00 |
| Benefits Costs and Expenses | | 396.00 | 2,513.00 | 1,539.00 | 1,231.00 |
| Costs And Expenses | | 396.00 | 2,513.00 | 1,539.00 | 1,231.00 |
| 38.00 | 38.00 | 38.00 | 38.00 | 38.00 |
| Interest And Debt Expense | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 |
| Income/Loss From Continuing Operations Before Tax | | 1,226.00 | -986.00 | 150.00 | 585.00 |
| Income Tax Expense/Benefit | | 245.00 | -222.00 | 12.00 | 104.00 |
| | 981.00 | -764.00 | 138.00 | 481.00 |
| Attributable To Parent | | 981.00 | -766.00 | 137.00 | 479.00 |
| Available To Common Stockholders, Basic | | 956.00 | -792.00 | 112.00 | 453.00 |
| Preferred Stock Dividends And Other Adjustments | | 25.00 | 26.00 | 25.00 | 26.00 |
| Attributable To Noncontrolling Interest | 2.00 | - | 2.00 | 1.00 | 2.00 |
| Basic Average Shares | | 57.54 | 57.33 | - | 57.22 |
| Diluted Average Shares | | 57.84 | 57.33 | - | 57.51 |
| Basic Earnings Per Share | | 16.62 | -13.82 | - | 7.93 |
| Diluted Earnings Per Share | | 16.53 | -13.82 | - | 7.89 |
