| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 1,641a | 1,568a |
| Accounts receivable - net | 1,069a | 1,147a |
| Materials and supplies | 277a | 264a |
| Other current assets | 201a | 292a |
| Total current assets | 3,188a | 3,271a |
| Investments | 3,370a | 3,839a |
| Properties less accumulated depreciation | 35,831a | 33,326a |
| Other assets | 1,293a | 1,216a |
| Total assets | 43,682a | 41,652a |
| Liabilities and stockholders' equity | — | — |
| Current liabilities | — | — |
| Accounts payable | 1,704a | 1,638a |
| Income and other taxes | 337a | 262a |
| Other current liabilities | 949a | 728a |
| Current maturities of long-term debt | 555a | 4a |
| Total current liabilities | 3,545a | 2,632a |
| Long-term debt | 16,651a | 17,175a |
| Other liabilities | 1,760a | 1,839a |
| Deferred income taxes | 7,420a | 7,225a |
| Total liabilities | 29,376a | 28,871a |
| Stockholders' equity | — | — |
| Common stock | 228a | 227a |
| Additional paid-in capital | 2,247a | 2,179a |
| Accumulated other comprehensive loss | -262a | -320a |
| Retained income | 12,093a | 10,695a |
| Total stockholders' equity | 14,306a | 12,781a |
| Total liabilities and stockholders' equity | 43,682a | 41,652a |