| Administrative expenses by type | 1 January – 31 December 2019 | 1 January – 31 December 2018 |
| Consumption of materials and energy | 129 | 121 |
| Third party services | 1,273 | 1,504 |
| Taxes and charges | 81 | 82 |
| Employee expenses | 3,673 | 3,742 |
| Depreciation of property, plant and equipment1 | 578 | 348 |
| Amortization of intangible assets | 326 | 293 |
| Compensation of group insurance administrators in work establishments | 206 | 205 |
| Other, including: | 340 | 314 |
| – advertising | 244 | 230 |
| – other | 96 | 84 |
| Total administrative expenses | 6,606 | 6,609 |
1 the increase in the cost of depreciation of property, plant and equipment results from the application of IFRS 16 and depreciation of right-to-use assets.