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v3.19.1

Deferred tax assets and liabilities (Tables) | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Summary of Recognized Deferred Tax Assets and Liabilities | Deferred tax assets and liabilities at 31 December 2018 and 2017 are attributable to the following:
|  | Assets |  |  | Liabilities |  |  | Net |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Property, plant and equipment and intangible assets (*) |  |  | 106,128 |  |  |  | 41,903 |  |  |  | (936,167 | ) |  |  | (680,134 | ) |  |  | (830,039 | ) |  |  | (638,231 | )
Investment |  |  | 32,926 |  |  |  | 32,926 |  |  |  | — |  |  |  | — |  |  |  | 32,926 |  |  |  | 32,926 |
Derivative instruments |  |  | 15,380 |  |  |  | 1,492 |  |  |  | (429,162 | ) |  |  | (182,806 | ) |  |  | (413,782 | ) |  |  | (181,314 | )
Reserve for employee termination benefits and provisions |  |  | 155,132 |  |  |  | 202,112 |  |  |  | (45,581 | ) |  |  | (64 | ) |  |  | 109,551 |  |  |  | 202,048 |
Asset classified as held for sale |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (92,327 | ) |  |  | — |  |  |  | (92,327 | )
Tax losses carried forward |  |  | 224,179 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 224,179 |  |  |  | — |
Tax allowances |  |  | 20,554 |  |  |  | 10,775 |  |  |  | — |  |  |  | — |  |  |  | 20,554 |  |  |  | 10,775 |
Other assets and liabilities (**) |  |  | 248,251 |  |  |  | 545,968 |  |  |  | (101,268 | ) |  |  | (434,907 | ) |  |  | 146,983 |  |  |  | 111,061 |
Deferred tax assets/(liabilities) |  |  | 802,550 |  |  |  | 835,176 |  |  |  | (1,512,178 | ) |  |  | (1,390,238 | ) |  |  | (709,628 | ) |  |  | (555,062 | )
Offsetting |  |  | (649,818 | ) |  |  | (739,116 | ) |  |  | 649,818 |  |  |  | 739,116 |  |  |  | — |  |  |  | — |
Net deferred tax assets/ (liabilities) |  |  | 152,732 |  |  |  | 96,060 |  |  |  | (862,360 | ) |  |  | (651,122 | ) |  |  | (709,628 | ) |  |  | (555,062 | )
(*) | The impact of adoption of IFRS 15, “Revenue from contracts with customers” is accounted under Property, plant and equipment and intangible assets (Not 2)
(**) | Mainly comprises of loans and bonds’ deferred tax assets.
Summary of Movement in Temporary Differences | Movement in deferred tax assets/ (liabilities) for the years ended 31 December 2018 and 2017 were as follows:
|  | 2018 |  |  | 2017 |
Opening balance |  |  | (555,062 | ) |  |  | (406,905 | )
IFRS 9 and 15 effects |  |  | (141,213 | ) |  |  | — |
Income statement charge |  |  | 159,472 |  |  |  | (133,791 | )
Tax charge relating to components of other comprehensive income |  |  | (157,203 | ) |  |  | (6,449 | )
Prior year corporate tax base differences |  |  | (8,608 | ) |  |  | (2,729 | )
Exchange differences |  |  | (7,014 | ) |  |  | (5,188 | )
Closing balance, net |  |  | (709,628 | ) |  |  | (555,062 | )
Summary of Expiration of Unrecognized Tax Losses | Unused tax losses will expire at the following dates:
Expiration Date |  | Amount |
2019 |  |  | 808 |
2020 |  |  | 581 |
2021 |  |  | 646 |
2022 |  |  | 368,109 |
2023 |  |  | 172,264 |
2024 |  |  | 303,045 |
2025 |  |  | 1,023,650 |
2026 |  |  | 47,466 |
2027 |  |  | 488,572 |
2028 |  |  | 308,541 |
Indefinite |  |  | 2,596,318 |
Total |  |  | 5,310,000 |

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