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Note 8 - Income Tax (Tables)
 12 Months Ended
Dec. 31, 2020
Major components of tax expense (income) [abstract]  
Disclosure of detailed information about income tax expense (benefit) [text block]

 


Year ended December 31,


(all amounts in thousands of U.S. dollars)


2020



2019



2018


 



 




 




 


Current tax



(121,048

)

(299,692

)

(343,104

)

Deferred tax



97,898




97,240




113,897


Tax charge



(23,150

)

(202,452

)

(229,207

)
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)


2020



2019



2018















(Loss) Income before income tax



(619,267

)

933,710




1,103,107


Less Impairment charges (non deductible)



622,402




 - 




 - 


Income before income tax without impairment charges



3,135




933,710




1,103,107


 



 




 




 


 



 




 




 


Tax calculated at the tax rate in each country



21,052




(186,752

)

(207,422

)

Effect of currency translation on tax base



(72,936

)

(53,296

)

(77,552

)

Changes in the tax rates



(958

)

13




(1,824

)

Utilization of previously unrecognized tax losses



98




547




 - 


Tax revaluation, withholding tax and others



29,594




37,036




57,591


Tax charges



(23,150

)

(202,452

)

(229,207

)