| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 2.22a | 4.69a |
| Investment securities | 18.21a | 16.63a |
| Receivables, net of allowances of $98 in 2024 and $88 in 2023 | 2.7a | 2.04a |
| Other current assets | 6.68a | 6.63a |
| Total current assets | 29.82a | 29.99a |
| Property and equipment, net | 2.53a | 3.03a |
| Long-term investment securities | 0.42a | 0.38a |
| Goodwill | 9.63a | 9.55a |
| Equity method investments | 0.7a | 0.74a |
| Other long-term assets | 3.38a | 3.38a |
| Total assets | 46.48a | 47.07a |
| Liabilities and stockholders' equity | — | — |
| Current liabilities | — | — |
| Benefits payable | 10.44a | 10.24a |
| Trade accounts payable and accrued expenses | 5.26a | 6.57a |
| Book overdraft | 0.4a | 0.35a |
| Unearned revenues | 0.26a | 0.27a |
| Short-term debt | 0.58a | 1.44a |
| Total current liabilities | 16.94a | 18.87a |
| Long-term debt | 11.14a | 10.21a |
| Other long-term liabilities | 1.95a | 1.66a |
| Total liabilities | 30.03a | 30.75a |
| Stockholders' equity | — | — |
| Preferred stock, $1 par; 10,000,000 shares authorized; none issued | | |
| Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,718,810 shares issued at December 31, 2024 and 198,690,082 shares issued at December 31, 2023 | 0.03a | 0.03a |
| Capital in excess of par value | 3.46a | 3.35a |
| Retained earnings | 28.32a | 27.54a |
| Accumulated other comprehensive loss | -1.07a | -1a |
| Treasury stock, at cost, 78,077,195 shares at December 31, 2024 and 76,465,862 shares at December 31, 2023 | -14.37a | -13.66a |
| Total stockholders' equity | 16.38a | 16.26a |
| Noncontrolling interests | 0.07a | 0.06a |
| Total equity | 16.45a | 16.32a |
| Total liabilities and equity | 46.48a | 47.07a |