| Assets | — | — | — | — | — | — | — |
| Current assets | — | — | — | — | — | — | — |
| Cash and cash equivalents | 933a | 3,447a | 1,353a | 3,340a | | 3,339a | 3,807a |
| Short-term investments | 72a | 50,617a | 83a | 49,691a | | 48,780a | 48,463a |
| Accounts receivable - net | 1,326a | -15,792a | 1,393a | -15,250a | | -14,681a | -14,393a |
| Materials and supplies | 414a | 34,825a | 440a | 34,441a | | 34,099a | 34,070a |
| Other current assets | 75a | 759a | 90a | 439a | | 516a | 506a |
| Total current assets | 2,820a | 42,482a | 3,359a | 41,589a | | 41,256a | 41,682a |
| Properties | 52,191a | 381a | 50,281a | 361a | | 367a | 682a |
| Accumulated depreciation | -16,533a | 3,023a | -15,560a | 2,934a | | 238a | 228a |
| Properties - net | 35,658a | 7,708a | 34,721a | 7,637a | | 2,331a | 2,446a |
| Investment in affiliates and other companies | 2,520a | 30,041a | 2,397a | 29,833a | | 7,552a | 7,520a |
| Right of use lease asset | 487a | 10,011a | 498a | 9,513a | | 29,101a | 29,213a |
| Goodwill and other intangible assets - net | 433a | -273a | 506a | -394a | | 9,935a | 10,229a |
| Other long-term assets | 846a | 12,441a | 731a | 11,756a | | -408a | -410a |
| Total assets | 42,764a | 42,482a | 42,212a | 41,589a | | 12,155a | 12,469a |
| Liabilities and shareholders' equity | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — | — |
| Accounts payable | 1,290a | | 1,237a | | | | |
| Labor and fringe benefits payable | 480a | | 517a | | | | |
| Casualty, environmental and other reserves | 149a | | 144a | | | | |
| Current maturities of long-term debt | 606a | | 558a | | | | |
| Income and other taxes payable | 508a | | 524a | | | | |
| Other current liabilities | 243a | | 243a | | | | |
| Total current liabilities | 3,276a | | 3,223a | | | | |
| Casualty, environmental and other reserves | 313a | | 296a | | | | |
| Long-term debt | 17,897a | | 17,975a | | | | |
| Deferred income taxes - net | 7,725a | | 7,699a | | | | |
| Long-term lease liability | 486a | | 491a | | | | |
| Other long-term liabilities | 560a | | 543a | | | | |
| Total liabilities | 30,257a | | 30,227a | | | | |
| Shareholders' equity | — | — | — | — | — | — | — |
| Common stock | 1,900a | | 1,959a | | | | |
| Other capital | 846a | | 691a | | | | |
| Retained earnings | 9,988a | | 9,609a | | | | |
| Accumulated other comprehensive loss | -232a | | -279a | | | | |
| Non-controlling minority interest | 5a | | 5a | | | | |
| Total shareholders' equity | 12,507a | | 11,985a | | | | |
| Total liabilities and shareholders' equity | 42,764a | | 42,212a | | | | |
| Materials and supplies | | | 440a | | | | |
| Other current assets | | | 90a | | | | |
| Total current assets | | | 3,359a | | | | |
| Properties | | | 50,281a | | | | |
| Accumulated depreciation | | | -15,560a | | | | |
| Properties - net | | | 34,721a | | | | |
| Other long-term assets | | | 731a | | | | |
| Total assets | | | 42,212a | | | | |
| Income and other taxes payable | | | 524a | | | | |
| Total current liabilities | | | 3,223a | | | | |
| Deferred income taxes - net | | | 7,699a | | | | |
| Total liabilities | | | 30,227a | | | | |
| Retained earnings | | | 9,609a | | | | |
| Accumulated other comprehensive loss | | | -279a | | | | |
| Total shareholders' equity | | | 11,985a | | | | |
| Total liabilities and shareholders' equity | | | 42,212a | | | | |
| Cash and cash equivalents | | | | | 956a | | |
| Other current assets | | | | | 107a | | |
| Total current assets | | | | | 2,895a | | |
| Properties | | | | | 49,241a | | |
| Accumulated depreciation | | | | | -14,974a | | |
| Properties - net | | | | | 34,267a | | |
| Other long-term assets | | | | | 473a | | |
| Total assets | | | | | 40,979a | | |
| Labor and fringe benefits payable | | | | | 444a | | |
| Other current liabilities | | | | | 226a | | |
| Total current liabilities | | | | | 2,074a | | |
| Deferred income taxes - net | | | | | 7,605a | | |
| Total liabilities | | | | | 28,905a | | |
| Retained earnings | | | | | 9,852a | | |
| Accumulated other comprehensive loss | | | | | -412a | | |
| Total shareholders' equity | | | | | 12,074a | | |
| Total liabilities and shareholders' equity | | | | | 40,979a | | |