v3.8.0.1

Financial information by segment, Assets and liabilities by geography (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Assets [Abstract] |  |  |  |
Contracted concessional assets | $ 9,100,548 | $ 9,084,270 |  |
Investments carried under the equity method | 57,648 | 55,784 |  |
Current financial investments | 209,209 | 210,138 |  |
Cash and cash equivalents (project companies) | 755,902 | 669,387 | $ 589,392 | $ 594,811
Total assets | 10,610,198 | 10,492,339 |  |
Liabilities [Abstract] |  |  |  |
Long-term and short-term project debt | 5,533,760 | 5,475,208 |  |
Grants and other liabilities | 1,676,199 | 1,636,060 |  |
Long-term and short-term corporate debt | 657,321 | 643,083 |  |
Total liabilities | 8,715,062 | 8,596,886 |  |
Equity | 1,895,136 | 1,895,453 | $ 1,940,894 | $ 1,959,111
Total liabilities and equity | 10,610,198 | 10,492,339 |  |
North America [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Contracted concessional assets | 3,648,673 | 3,770,169 |  |
Investments carried under the equity method | 0 | 0 |  |
Current financial investments | 111,368 | 116,451 |  |
Cash and cash equivalents (project companies) | 171,818 | 149,236 |  |
Total assets | 3,931,859 | 4,035,856 |  |
Liabilities [Abstract] |  |  |  |
Long-term and short-term project debt | 1,770,892 | 1,821,102 |  |
Grants and other liabilities | 1,573,449 | 1,593,048 |  |
Total liabilities | 3,344,341 | 3,414,150 |  |
South America [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Contracted concessional assets | 1,102,958 | 1,100,778 |  |
Investments carried under the equity method | 0 | 0 |  |
Current financial investments | 65,757 | 59,831 |  |
Cash and cash equivalents (project companies) | 38,078 | 42,548 |  |
Total assets | 1,206,793 | 1,203,157 |  |
Liabilities [Abstract] |  |  |  |
Long-term and short-term project debt | 867,581 | 876,063 |  |
Grants and other liabilities | 5,268 | 810 |  |
Total liabilities | 872,849 | 876,873 |  |
EMEA [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Contracted concessional assets | 4,348,917 | 4,213,323 |  |
Investments carried under the equity method | 57,648 | 55,784 |  |
Current financial investments | 30,674 | 31,263 |  |
Cash and cash equivalents (project companies) | 394,587 | 329,078 |  |
Total assets | 4,831,826 | 4,629,448 |  |
Liabilities [Abstract] |  |  |  |
Long-term and short-term project debt | 2,895,287 | 2,778,043 |  |
Grants and other liabilities | 97,482 | 42,202 |  |
Total liabilities | 2,992,769 | 2,820,245 |  |
Allocated [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Contracted concessional assets | 9,100,548 | 9,084,270 |  |
Investments carried under the equity method | 57,648 | 55,784 |  |
Current financial investments | 207,799 | 207,545 |  |
Cash and cash equivalents (project companies) | 604,483 | 520,862 |  |
Total assets | 9,970,478 | 9,868,461 |  |
Liabilities [Abstract] |  |  |  |
Long-term and short-term project debt | 5,533,760 | 5,475,208 |  |
Grants and other liabilities | 1,676,199 | 1,636,060 |  |
Total liabilities | 7,209,959 | 7,111,268 |  |
Unallocated [Member] |  |  |  |
Assets [Abstract] |  |  |  |
Other non-current assets | 220,569 | 210,378 |  |
Other current assets (including cash and cash equivalents at holding company level) | 419,151 | 413,500 |  |
Total assets | 639,720 | 623,878 |  |
Liabilities [Abstract] |  |  |  |
Long-term and short-term corporate debt | 657,321 | 643,083 |  |
Other non-current liabilities | 666,634 | 657,345 |  |
Other current liabilities | 181,148 | 185,190 |  |
Total liabilities | 1,505,103 | 1,485,618 |  |
Equity | 1,895,136 | 1,895,453 |  |
Total liabilities and equity | $ 3,400,239 | $ 3,381,071 |  |

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