| Revenues | | 3,905.80 | 3,529.10 | 4,576.70 | 3,681.60 |
| Benefits Costs and Expenses | | 3,409.50 | 3,047.30 | 3,941.10 | 3,433.20 |
| Costs And Expenses | | 3,409.50 | 3,047.30 | 3,941.10 | 3,433.20 |
| Income Tax Expense/Benefit | | 66.00 | 68.90 | 110.40 | 14.50 |
| | 430.30 | 412.90 | 525.20 | 233.90 |
| Attributable To Parent | | 403.40 | 424.60 | 517.00 | 213.80 |
| Available To Common Stockholders, Basic | | 403.40 | 424.60 | 517.00 | 213.80 |
| | 26.90 | -11.70 | 8.20 | 20.10 |
| Redeemable Noncontrolling Interest | | 26.30 | -12.10 | 7.40 | 18.40 |
| Basic Average Shares | | 215.90 | 217.20 | - | 222.40 |
| Diluted Average Shares | | 218.70 | 220.30 | - | 225.20 |
| Basic Earnings Per Share | | 1.87 | 1.96 | - | 0.96 |
| Diluted Earnings Per Share | | 1.84 | 1.93 | - | 0.95 |
| Common Stock Dividends | | 0.82 | 0.80 | 0.79 | 0.78 |
