v3.8.0.1

Contracted concessional assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Contracted concessional assets [Abstract] |
Movements of contracted concessional assets |
| a) | The following table shows the movements of contracted concessional assets included in the heading “Contracted Concessional assets” for 2017:
Cost |  |  |
Total as of January 1, 2017 |  |  | 10,067,596 |
Additions |  |  | 15,426 |
Subtractions |  |  | (42,500 | )
Translation differences |  |  | 593,247 |
Total as of December 31, 2017 |  |  | 10,633,769 |
Accumulated amortization |  |  |
Total as of January 1, 2017 |  |  | (1,143,324 | )
Additions |  |  | (309,846 | )
Translation differences |  |  | (96,329 | )
Total accum. amort. as of December 31, 2017 |  |  | (1,549,499 | )
Net balance at December 31, 2017 |  |  | 9,084,270 |
| b) | The following table shows the movements of contracted concessional assets included in the heading “Contracted Concessional assets” for 2016:
Cost |  |  |
Total as of January 1, 2016 |  |  | 10,126,023 |
Additions |  |  | 6,346 |
Translation differences |  |  | (68,199 | )
Change in the scope of the consolidated financial statements |  |  | 5,876 |
Reclassification and other movements |  |  | (2,450 | )
Total as of December 31, 2016 |  |  | 10,067,596 |
Accumulated amortization |  |  |
Total as of January 1, 2016 |  |  | (825,126 | )
Additions |  |  | (332,925 | )
Change in the scope of the consolidated financial statements |  |  | (2,381 | )
Translation differences |  |  | 17,108 |
Total accum. amort. as of December 31, 2016 |  |  | (1,143,324 | )
Net balance at December 31, 2016 |  |  | 8,924,272 |

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