v3.8.0.1

Third-party guarantees and commitments (Tables) | 12 Months Ended
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Dec. 31, 2017
Third-party guarantees and commitments [Abstract] |
Contractual obligations | The following table shows the breakdown of the third-party commitments and contractual obligations as of December 31, 2017 and 2016:
2017 |  | Total |  |  | 2018 |  |  | 2019 and 2020 |  |  | 2021 and 2022 |  |  | Subsequent |
Corporate debt |  |  | 643,083 |  |  |  | 68,907 |  |  |  | 253,393 |  |  |  | 107,316 |  |  |  | 213,467 |
Loans with credit institutions (project debt) |  |  | 4,628,289 |  |  |  | 215,117 |  |  |  | 457,853 |  |  |  | 539,466 |  |  |  | 3,415,853 |
Notes and bonds (project debt) |  |  | 846,919 |  |  |  | 31,174 |  |  |  | 53,620 |  |  |  | 54,395 |  |  |  | 707,730 |
Purchase commitments |  |  | 3,149,813 |  |  |  | 141,867 |  |  |  | 230,014 |  |  |  | 259,845 |  |  |  | 2,518,087 |
Accrued interest estimate during the useful life of loans |  |  | 3,129,321 |  |  |  | 340,481 |  |  |  | 630,108 |  |  |  | 559,856 |  |  |  | 1,598,876 |
2016 |  | Total |  |  | 2017 |  |  | 2018 and 2019 |  |  | 2020 and 2021 |  |  | Subsequent |
Corporate debt |  |  | 668,201 |  |  |  | 291,861 |  |  |  | 376,340 |  |  |  | - |  |  |  | - |
Loans with credit institutions (project debt)* |  |  | 4,498,930 |  |  |  | 183,929 |  |  |  | 388,679 |  |  |  | 459,361 |  |  |  | 3,466,961 |
Notes and bonds (project debt) |  |  | 831,538 |  |  |  | 27,225 |  |  |  | 49,422 |  |  |  | 48,740 |  |  |  | 706,151 |
Purchase commitments |  |  | 2,894,146 |  |  |  | 136,032 |  |  |  | 263,398 |  |  |  | 246,904 |  |  |  | 2,247,812 |
Accrued interest estimate during the useful life of loans |  |  | 3,356,750 |  |  |  | 332,408 |  |  |  | 617,852 |  |  |  | 543,927 |  |  |  | 1,862,563 |
* | According to contracted maturities.

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