| Revenues and other income | — | — | — |
| Revenues | 51,359a | 50,702a | 59,413a |
| Investment and other income | 173a | 267a | 257a |
| Total revenues and other income | 51,532a | 50,969a | 59,670a |
| Expenses | — | — | — |
| Exploration | -3a | -5a | -5a |
| Purchases of crude oil and products | -33,184a | -32,399a | -37,742a |
| Production and manufacturing | -6,599a | -6,879a | -7,404a |
| Selling and general | -945a | -857a | -882a |
| Federal excise tax and fuel charge | -2,535a | -2,402a | -2,179a |
| Depreciation and depletion | -1,983a | -1,907a | -1,897a |
| Non-service pension and postretirement benefit | -3a | -82a | -17a |
| Financing | -41a | -69a | -60a |
| Total expenses | -45,293a | -44,600a | -50,186a |
| Income (loss) before income taxes | 6,239a | 6,369a | 9,484a |
| Income taxes | -1,449a | -1,480a | -2,144a |
| Net income (loss) | 4,790a | 4,889a | 7,340a |