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Contingencies and restrictions - Lawsuits and Other Relevant Events (Details) $ in Thousands, د.إ in Millions | 12 Months Ended |  |  |  |  |  |  |  |  |
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Dec. 31, 2024 USD ($) employee | Jan. 21, 2025 USD ($) | Sep. 30, 2024 USD ($) | Aug. 06, 2024 USD ($) | Feb. 29, 2024 USD ($) | Dec. 31, 2023 employee | Dec. 14, 2023 USD ($) | May 31, 2023 AED (د.إ) employee company | Mar. 31, 2023 USD ($) | Jan. 31, 2018 USD ($)
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Number of employees | employee | 8,344 |  |  |  |  | 7,682 |  |  |  |
Soquimich Comercial S.A. |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Lawsuits, damages owed value | $ 1,050 |  |  |  |  |  |  |  |  |
Lawsuit fifteen |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Lawsuits, nominal value | $ 542 |  |  |  |  |  |  |  |  |
Chilena Consolidada Seguros |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Estimated financial effect of contingent assets |  |  |  |  |  |  | $ 32,200 |  |  |
Transportes Buen Destino Case | Legal proceedings contingent liability |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Law suits fines penalties and damages payable |  |  |  | $ 80 |  |  |  |  |  | $ 3,000
Trujillo Montejano | Legal proceedings contingent liability |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Law suits fines penalties and damages payable |  |  |  |  |  |  |  |  | $ 330 |
Adfert Case | Legal proceedings contingent liability |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Law suits fines penalties and damages payable | د.إ |  |  |  |  |  |  |  | د.إ 73.5 |  |
Pena Labor Case | Legal proceedings contingent liability |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Number of employees | employee |  |  |  |  |  |  |  | 17 |  |
Number of companies | company |  |  |  |  |  |  |  | 6 |  |
Pena Labor Case | Legal proceedings contingent liability | Entering into significant commitments or contingent liabilities |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Law suits fines penalties and damages payable |  | $ 358 |  |  |  |  |  |  |  |
Pallauta, Gonzalez and Flores Et Al Labor Case | Legal proceedings contingent liability |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Law suits fines penalties and damages payable |  |  |  |  | $ 263 |  |  |  |  |
Cortes Et Al Labor Case | Legal proceedings contingent liability |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Law suits fines penalties and damages payable |  |  |  |  | $ 279 |  |  |  |  |
Xinyu Xinyihe New Material Technology Co. Case | Legal proceedings contingent liability | Sichuan Dixin New Energy Co., Ltd. |  |  |  |  |  |  |  |  |  |
Disclosure of contingent liabilities [line items] |  |  |  |  |  |  |  |  |  |
Law suits fines penalties and damages payable |  |  | $ 2,000 |  |  |  |  |  |  |

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