| | <table> |
| | <tr> |
| | <th rowspan="2">Millions of dollars</th> |
| | <th colspan="2">December 31</th> |
| | </tr> |
| | <tr> |
| | <th>2016</th> |
| | <th>2015</th> |
| | </tr> |
| | <tr> |
| | <td>Gross deferred tax assets:</td> |
| | <td></td> |
| | <td></td> |
| | </tr> |
| | <tr> |
| | <td> Net operating loss carryforwards</td> |
| | <td>$ 1,647</td> |
| | <td>$ 540</td> |
| | </tr> |
| | <tr> |
| | <td> Foreign tax credit carryforwards</td> |
| | <td> 648</td> |
| | <td> 365</td> |
| | </tr> |
| | <tr> |
| | <td> Employee compensation and benefits</td> |
| | <td> 352</td> |
| | <td> 403</td> |
| | </tr> |
| | <tr> |
| | <td> Accrued liabilities</td> |
| | <td> 325</td> |
| | <td> 392</td> |
| | </tr> |
| | <tr> |
| | <td> Other</td> |
| | <td> 536</td> |
| | <td> 359</td> |
| | </tr> |
| | <tr> |
| | <td>Total gross deferred tax assets</td> |
| | <td> 3,508</td> |
| | <td> 2,059</td> |
| | </tr> |
| | <tr> |
| | <td>Gross deferred tax liabilities:</td> |
| | <td></td> |
| | <td></td> |
| | </tr> |
| | <tr> |
| | <td> Depreciation and amortization</td> |
| | <td> 585</td> |
| | <td> 1,334</td> |
| | </tr> |
| | <tr> |
| | <td> Undistributed foreign earnings</td> |
| | <td> 406</td> |
| | <td> 5</td> |
| | </tr> |
| | <tr> |
| | <td> Other</td> |
| | <td> 145</td> |
| | <td> 109</td> |
| | </tr> |
| | <tr> |
| | <td>Total gross deferred tax liabilities</td> |
| | <td> 1,136</td> |
| | <td> 1,448</td> |
| | </tr> |
| | <tr> |
| | <td>Valuation allowances</td> |
| | <td> 453</td> |
| | <td> 213</td> |
| | </tr> |
| | <tr> |
| | <td>Net deferred income tax asset</td> |
| | <td>$ 1,919</td> |
| | <td>$ 398</td> |
| | </tr> |
| | </table> |