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v3.20.4

Income tax and deferred taxes (Details 2) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income tax and deferred taxes [Line Items] |  |  |
Applicable tax rate | 27.00% | 27.00% | 27.00%
Spain [member] |  |  |
Income tax and deferred taxes [Line Items] |  |  |
Applicable tax rate | 25.00% | 25.00% |
Belgium [member] |  |  |
Income tax and deferred taxes [Line Items] |  |  |
Applicable tax rate | 25.00% | 29.58% |
Mexico [member] |  |  |
Income tax and deferred taxes [Line Items] |  |  |
Applicable tax rate | 30.00% | 30.00% |
United States [member] | Top of range [member] |  |  |
Income tax and deferred taxes [Line Items] |  |  |
Applicable tax rate | 336.00% | 325.00% |
United States [member] | Bottom of range [member] |  |  |
Income tax and deferred taxes [Line Items] |  |  |
Applicable tax rate | 21.00% | 21.00% |
South Africa [member] |  |  |
Income tax and deferred taxes [Line Items] |  |  |
Applicable tax rate | 28.00% | 28.00% |

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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2020-01-01 + Details
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