Note 13 - Intangible Assets
| Goodwill | Concessions and mining rights | Trademarks | Technology / patents | Customer relationships | Exploration and evaluation assets | Computer application | Others | Total |
| $ millions | $ millions | $ millions | $ millions | $ millions | $ millions | $ millions | $ millions | $ millions |
Note 13 - Intangible Assets (cont'd)
| Goodwill | Concessions and mining rights | Trademarks | Technology / patents | Customer relationships | Exploration and evaluation assets | Computer application | Others | Total |
| $ millions | $ millions | $ millions | $ millions | $ millions | $ millions | $ millions | $ millions | $ millions |
Note 13 - Intangible Assets (cont'd)
| As at December 31 | |
| 2017 | 2016 |
| $ millions | $ millions |