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Note 28 - Cash Flow Disclosures | 12 Months Ended
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Dec. 31, 2019
Statement Line Items [Line Items] |
Disclosure of cash flow statement [text block] |
| 28 | Cash flow disclosures
|  |  |  | Year ended December 31,
(i) |  | Changes in working capital |  | 2019 |  | 2018 |  | 2017
|  |  | Inventories |  |  | 311,459 |  |  |  | (176,443 | ) |  |  | (804,415 | )
|  |  | Receivables and prepayments and Current tax assets |  |  | (34,368 | ) |  |  | 30,144 |  |  |  | (4,564 | )
|  |  | Trade receivables |  |  | 428,326 |  |  |  | (517,579 | ) |  |  | (259,375 | )
|  |  | Other liabilities |  |  | (18,295 | ) |  |  | (22,984 | ) |  |  | 4,226 |
|  |  | Customer advances |  |  | 16,844 |  |  |  | 5,976 |  |  |  | 17,039 |
|  |  | Trade payables |  |  | (180,857 | ) |  |  | (57,066 | ) |  |  | 193,905 |
|  |  |  |  |  | 523,109 |  |  |  | (737,952 | ) |  |  | (853,184 | )
(ii) |  |  | Income tax accruals less payments |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Tax accrued |  |  | 202,452 |  |  |  | 229,207 |  |  |  | (17,136 | )
|  |  | Taxes paid |  |  | (395,869 | ) |  |  | (170,713 | ) |  |  | (176,853 | )
|  |  |  |  |  | (193,417 | ) |  |  | 58,494 |  |  |  | (193,989 | )
(iii) |  |  | Interest accruals less payments, net |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Interest accrued |  |  | (4,616 | ) |  |  | (2,914 | ) |  |  | (20,534 | )
|  |  | Interest received |  |  | 30,890 |  |  |  | 40,613 |  |  |  | 50,001 |
|  |  | Interest paid |  |  | (30,655 | ) |  |  | (31,548 | ) |  |  | (17,917 | )
|  |  |  |  |  | (4,381 | ) |  |  | 6,151 |  |  |  | 11,550 |
(iv) |  |  | Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Cash at banks, liquidity funds and short - term investments |  |  | 1,554,299 |  |  |  | 428,361 |  |  |  | 330,221 |
|  |  | Bank overdrafts |  |  | (24 | ) |  |  | (1,644 | ) |  |  | (131 | )
|  |  |  |  |  | 1,554,275 |  |  |  | 426,717 |  |  |  | 330,090 |

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- Definition The entire disclosure for a statement of cash flows. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Section Presentation of a statement of cash flows -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&doctype=Standard&dita_xref=IAS07_g10-17_TI -URIDate 2019-03-27 + Details
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