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Note 8 - Income Tax (Tables) | 12 Months Ended
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Dec. 31, 2017
Statement Line Items [Line Items] |
Disclosure of detailed information about income tax expense (benefit) [text block] |
|  | Year ended December 31, |
(all amounts in thousands of U.S. dollars) |  | 2017 |  |  | 2016 |  |  | 2015 |
Current tax |  |  | 184,016 |  |  |  | 174,410 |  |  |  | 164,562 |
Deferred tax |  |  | (100,432 | ) |  |  | (132,969 | ) |  |  | 79,943 |
|  |  | 83,584 |  |  |  | 41,441 |  |  |  | 244,505 |
From discontinued operations |  |  | (100,720 | ) |  |  | (24,339 | ) |  |  | (10,121 | )
|  |  | (17,136 | ) |  |  | 17,102 |  |  |  | 234,384 |
Disclosure of difference between income before tax and the theoretical amount that would arise using tax rate in each country [text block] |
|  | Year ended December 31, |
(all amounts in thousands of U.S. dollars) |  | 2017 |  |  | 2016 |  |  | 2015 |
Income before income tax |  |  | 427,711 |  |  |  | 34,430 |  |  |  | 140,829 |
Tax calculated at the tax rate in each country (*) |  |  | 6,456 |  |  |  | (91,628 | ) |  |  | (71,588 | )
Non taxable income / Non deductible expenses, net (*) |  |  | 40,298 |  |  |  | 51,062 |  |  |  | 149,632 |
Changes in the tax rates |  |  | (62,968 | ) |  |  | 4,720 |  |  |  | 6,436 |
Effect of currency translation on tax base (**) |  |  | (922 | ) |  |  | 105,758 |  |  |  | 151,615 |
Accrual / Utilization of previously unrecognized tax losses (***) |  |  | - |  |  |  | (52,810 | ) |  |  | (1,711 | )
Tax charge |  |  | (17,136 | ) |  |  | 17,102 |  |  |  | 234,384 |

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- Definition The disclosure of detailed information about income tax expense (benefit). + References No definition available. + Details
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- Definition The disclosure of detailed information about the differences between income before tax and the theoretical amount that would arise using the tax rate in each country. + References No definition available. + Details
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- References No definition available. + Details
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