| Fiscal period | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 |
|---|
| Period End Date | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 | 12/31/2011 | 12/31/2010 | 12/31/2009 |
|---|
| Short-duration contracts:Direct | -- | -- | -- | 26,751.00 | 24,294.00 | 23,056.00 | 20,792.00 | 17,300.00 | 16,492.00 | 13,886.00 |
| Short-duration contracts:Assumed | -- | -- | -- | 289.00 | 429.00 | 394.00 | 385.00 | 158.00 | 496.00 | 1,076.00 |
| Long-durationcontracts:Direct | -- | -- | -- | 3,061.00 | 2,921.00 | 2,485.00 | 2,222.00 | 1,919.00 | 1,687.00 | 1,499.00 |
| Long-durationcontracts:Assumed | -- | -- | -- | 111.00 | 173.00 | 183.00 | 86.00 | 36.00 | 36.00 | 33.00 |
| Short-duration contracts:Ceded | -- | -- | -- | 254.00 | 226.00 | 252.00 | 216.00 | 185.00 | 187.00 | 192.00 |
| Ceded:Individual life insuranceand annuity business sold | -- | -- | -- | 158.00 | 254.00 | 176.00 | 186.00 | 203.00 | 195.00 | 209.00 |
| Ceded:Other | -- | -- | -- | 158.00 | 123.00 | 115.00 | 66.00 | 59.00 | 55.00 | 52.00 |
| Premiums | 36,113.00 | 32,491.00 | 30,824.00 | 29,642.00 | 27,214.00 | 25,575.00 | 23,017.00 | 18,966.00 | 18,274.00 | 16,041.00 |
| Realized investment gains (losses) | -- | -- | -- | -- | -- | -- | -- | 62.00 | 75.00 | (43.00) |
| Realized investment gains (losses): Other than temporary impairments on debt securities, net | -- | -- | -- | (112.00) | (36.00) | (11.00) | (11.00) | -- | -- | -- |
| Realized investment gains (losses): Other realized investment gains (losses) | -- | -- | -- | 169.00 | 190.00 | 224.00 | 55.00 | -- | -- | -- |
| Net investment income | 1,480.00 | 1,226.00 | 1,147.00 | 1,153.00 | 1,166.00 | 1,164.00 | 1,144.00 | 1,146.00 | 1,105.00 | 1,014.00 |
| Fees and Other Revenues | 5,578.00 | 5,110.00 | 4,901.00 | 4,488.00 | 4,141.00 | 3,601.00 | 3,291.00 | -- | -- | -- |
| Other Revenues | -- | -- | -- | -- | -- | -- | -- | 244.00 | 254.00 | 120.00 |
| Pharmacy revenues | 5,479.00 | 2,979.00 | 2,966.00 | 2,536.00 | 2,239.00 | 1,827.00 | 1,623.00 | 1,447.00 | 1,420.00 | 1,282.00 |
| Total Revenues | 48,650.00 | 41,806.00 | 39,838.00 | 37,876.00 | 34,914.00 | 32,380.00 | 29,119.00 | 21,865.00 | 21,128.00 | 18,414.00 |
| Medical Costs and Other Benefit Expenses | 27,528.00 | 25,263.00 | 24,341.00 | 18,354.00 | 16,694.00 | 15,867.00 | 14,228.00 | 9,125.00 | 9,222.00 | 6,927.00 |
| Other benefit expenses | -- | -- | -- | 4,936.00 | 4,640.00 | 4,998.00 | 3,672.00 | 3,365.00 | 3,011.00 | 3,407.00 |
| Guaranteed minimum income benefits expense | -- | -- | -- | -- | -- | -- | -- | 234.00 | 55.00 | (304.00) |
| Policy acquisition expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization of other acquired intangible assets | 235.00 | 115.00 | 151.00 | 143.00 | 195.00 | 235.00 | -- | -- | -- | -- |
| Selling, general and administrative expenses excluding special items | 11,934.00 | 10,030.00 | 9,790.00 | -- | -- | -- | -- | -- | -- | -- |
| Other operating expenses | -- | -- | -- | (8,982.00) | (8,174.00) | (7,595.00) | (7,414.00) | (6,062.00) | (5,869.00) | (5,450.00) |
| Mail order pharmacy costs of goods sold | (4,793.00) | (2,456.00) | (2,468.00) | (2,134.00) | (1,907.00) | (1,509.00) | (1,328.00) | (1,203.00) | (1,169.00) | (1,036.00) |
| Income from operations | 4,160.00 | 3,942.00 | 3,088.00 | -- | -- | -- | -- | -- | -- | -- |
| Interest expense and other | 498.00 | 252.00 | 278.00 | -- | -- | -- | -- | -- | -- | -- |
| Debt extinguishment charges | -- | (321.00) | -- | -- | -- | -- | -- | -- | -- | -- |
| Net realized investment gains (losses) | (81.00) | 237.00 | 169.00 | -- | -- | -- | -- | -- | -- | -- |
| Income from continuing operations before income taxes | 3,581.00 | 3,606.00 | 2,979.00 | 3,327.00 | 3,304.00 | 2,176.00 | 2,477.00 | 1,876.00 | 1,802.00 | 1,898.00 |
| Current taxes:U.S. income | -- | -- | -- | -- | 1,068.00 | 382.00 | 604.00 | 320.00 | 267.00 | 211.00 |
| Current taxes:Foreign income | -- | -- | -- | -- | 115.00 | 77.00 | 72.00 | 58.00 | 45.00 | 48.00 |
| Current taxes:State income | -- | -- | -- | -- | 49.00 | 42.00 | 43.00 | 20.00 | 19.00 | 16.00 |
| Deferred taxes (benefits):U.S. income | -- | -- | -- | -- | 10.00 | 152.00 | 131.00 | 193.00 | 187.00 | 279.00 |
| Deferred taxes (benefits):Foreign income | -- | -- | -- | -- | (22.00) | 46.00 | 4.00 | 23.00 | 8.00 | 39.00 |
| Deferred taxes (benefits):State income | -- | -- | -- | -- | (10.00) | (1.00) | (1.00) | 1.00 | (7.00) | 1.00 |
| Provision for income taxes | 935.00 | 1,374.00 | 1,136.00 | 1,250.00 | 1,210.00 | 698.00 | 853.00 | 615.00 | 519.00 | 594.00 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1,304.00 |
| Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.00 |
| Gain on sale, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income before Cumulative Effect of Accounting Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Consolidated Net income | 2,646.00 | 2,232.00 | 1,843.00 | 2,077.00 | 2,094.00 | 1,478.00 | 1,624.00 | 1,261.00 | 1,283.00 | 1,305.00 |
| Net income attributable to noncontrolling interest | 9.00 | (5.00) | (24.00) | (17.00) | (8.00) | 2.00 | 1.00 | 1.00 | 4.00 | 3.00 |
| Net income (loss) available to common shareholders | 2,637.00 | 2,237.00 | 1,867.00 | 2,094.00 | 2,102.00 | 1,476.00 | 1,623.00 | 1,260.00 | 1,279.00 | 1,302.00 |
| BASIC:Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4.75 |
| Basic:Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Basic:Cumulative effect of accounting change, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| BASIC:Net income | 10.69 | 8.92 | 7.31 | 8.17 | 7.97 | 5.28 | 5.70 | 4.65 | 4.69 | 4.75 |
| DILUTED:Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4.73 |
| Diluted:Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Diluted:Cumulative effect of accounting change, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| DILUTED:Net income | 10.54 | 8.77 | 7.19 | 8.04 | 7.83 | 5.18 | 5.61 | 4.59 | 4.65 | 4.73 |
| Weighted Average Shares Outstanding (Basic) | 246.65 | 250.89 | 255.36 | 256.15 | 263.89 | 279.30 | 284.82 | 270.69 | 272.87 | 274.06 |
| Weighted Average Shares Outstanding (Diluted) | 250.23 | 255.07 | 259.65 | 260.59 | 268.60 | 284.69 | 289.53 | 274.25 | 275.29 | 275.36 |