Datasets:
| <table> | |
| <tr> | |
| <th rowspan="2">Millions of dollars</th> | |
| <th colspan="2">Year Ended December 31</th> | |
| </tr> | |
| <tr> | |
| <th>2017</th> | |
| <th>2016</th> | |
| <th>2015</th> | |
| </tr> | |
| <tr> | |
| <td>United States</td> | |
| <td>$ 694</td> | |
| <td>$ (6,636)</td> | |
| <td>$ 1,560</td> | |
| </tr> | |
| <tr> | |
| <td>Foreign</td> | |
| <td>(12)</td> | |
| <td>(989)</td> | |
| <td>624</td> | |
| </tr> | |
| <tr> | |
| <td>Total</td> | |
| <td>$ 682</td> | |
| <td>$ (7,625)</td> | |
| <td>$ (936)</td> | |
| </tr> | |
| </table> |