| At | ||
|---|---|---|
| 31 December 2014 | 31 December 2013 | |
| Development costs | 11 | 11 |
| Goodwill | 15 | 39 |
| Software | 26 | 29 |
| Acquired concessions, patents, licenses | 269 | 106 |
| Other intangible assets, including: | 406 | 392 |
| - water rights* | 217 | 181 |
| - intangible assets due to service sales contracts* | 23 | 52 |
| - management fee for Sierra Gorda S.C.M.* | 29 | 24 |
| Exploration and evaluation assets | 2 105 | 1 529 |
| Other intangible assets not yet available for use | 86 | 69 |
| Total | 2 918 | 2 175 |
* Relates to the KGHM INTERNATIONAL LTD. Group