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Equity-accounted investees (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure Of Equity-accounted investees [Abstract] |
Disclosure of associates [text block] |
|  | Equity-accounted investees |  |  | Share in profit (loss) of associates accounted for using the equity method |  |  | Share in other comprehensive income of associates accounted for using the equity method |  |  | Share in total comprehensive income of associates accounted for using the equity method |
Associate |  | As of December 31, 2021 |  |  | As of December 31, 2020 |  |  | As of December 31, 2019 |  |  | Fort the year ended December 31, 2021 |  |  | Fort the year ended December 31, 2020 |  |  | Fort the year ended December 31, 2019 |  |  | Fort the year ended December 31, 2021 |  |  | Fort the year ended December 31, 2020 |  |  | Fort the year ended December 31, 2019 |  |  | Fort the year ended December 31, 2021 |  |  | Fort the year ended December 31, 2020 |  |  | Fort the year ended December 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Abu Dhabi Fertilizer Industries WWL |  |  | - |  |  |  | 11,505 |  |  |  | 11,609 |  |  |  | - |  |  |  | (156 | ) |  |  | 634 |  |  |  | - |  |  |  | - |  |  |  | 1 |  |  |  | - |  |  |  | (156 | ) |  |  | 635 |
Doktor Tarsa Tarim Sanayi AS (*) |  |  | - |  |  |  | - |  |  |  | 26,001 |  |  |  | - |  |  |  | 4,031 |  |  |  | 3,912 |  |  |  | - |  |  |  | - |  |  |  | 198 |  |  |  | - |  |  |  | 4,031 |  |  |  | 4,110 |
Ajay North America |  |  | 15,899 |  |  |  | 14,468 |  |  |  | 14,669 |  |  |  | 2,802 |  |  |  | 2,191 |  |  |  | 2,871 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 2,802 |  |  |  | 2,191 |  |  |  | 2,871 |
Ajay Europe SARL |  |  | 8,213 |  |  |  | 7,875 |  |  |  | 7,451 |  |  |  | 1,852 |  |  |  | 1,029 |  |  |  | 1,165 |  |  |  | 360 |  |  |  | 756 |  |  |  | (179 | ) |  |  | 2,212 |  |  |  | 1,785 |  |  |  | 986 |
SQM Eastmed Turkey (*) |  |  | - |  |  |  | - |  |  |  | 623 |  |  |  | - |  |  |  | 247 |  |  |  | 354 |  |  |  | - |  |  |  | - |  |  |  | (42 | ) |  |  | - |  |  |  | 247 |  |  |  | 312 |
Kore Potash PLC (**) |  |  | - |  |  |  | 26,175 |  |  |  | 24,739 |  |  |  | - |  |  |  | (224 | ) |  |  | (534 | ) |  |  | - |  |  |  | (374 | ) |  |  | (549 | ) |  |  | - |  |  |  | (598 | ) |  |  | (1,083 | )
Total |  |  | 24,112 |  |  |  | 60,023 |  |  |  | 85,092 |  |  |  | 4,654 |  |  |  | 7,118 |  |  |  | 8,402 |  |  |  | 360 |  |  |  | 382 |  |  |  | (571 | ) |  |  | 5,014 |  |  |  | 7,500 |  |  |  | 7,831 |
(*) These investments were disposed of in 2020 (**) For more details, see Note 7.3 (a).
Disclosure of interests in associates [text block] |
|  |  |  |  |  |  |  |  |  |  | Dividends received for the year ending |
Associate |  | Description of the nature of the relationship |  | Address |  | Country of incorporation |  | Share of ownership in associates |  |  | December 31, 2021 |  |  | December 31, 2020 |  |  | December 31, 2019 |
|  |  |  |  |  |  |  |  |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Abu Dhabi Fertilizer Industries WWL |  | Distribution and commercialization of specialty plant nutrients in the Middle East. |  | PO Box 71871, Abu Dhabi |  | United Arab Emirates |  |  | 37 | % |  |  | 9,438 |  |  |  | - |  |  |  | - |
Ajay North America |  | Production and distribution of iodine and iodine derivatives. |  | 1400 Industry RD Power Springs GA 30129 |  | United States of North America |  |  | 49 | % |  |  | 1,233 |  |  |  | 1,967 |  |  |  | 2,796 |
Ajay Europe SARL |  | Production and distribution of iodine and iodine derivatives. |  | Z.I. du Grand Verger BP 227 53602 Evron Cedex |  | France |  |  | 50 | % |  |  | 992 |  |  |  | 1,197 |  |  |  | 1,055 |
Kore Potash Ltd |  | Prospecting, exploration and mining development |  | L 3 88 William ST Perth, was 6000 |  | United Kingdom |  |  | 14.65 | % |  |  | - |  |  |  | - |  |  |  | - |
Doktor Tarsa Tarim Sanayi AS |  | Distribution and commercialization of specialty plant nutrients in the Turkey. |  | Organize Sanayi Bolgesi, Ikinci Kisim, 22 cadde TR07100 Antalya |  | Turkey |  |  | 50 | % |  |  |  |  |  |  |  |  |  |  |  |
SQM Eastmed Turkey |  | Production and trading of specialty products. |  | Organize Sanayi Bolgesi, Ikinci Kisim, 22 cadde TR07100 Antalya |  | Turkey |  |  | 50 | % |  |  | - |  |  |  | - |  |  |  | - |
Total |  |  |  |  |  |  |  |  |  |  |  |  | 11,663 |  |  |  | 3,164 |  |  |  | 3,851 |
Disclosure of Detailed Informatin on Summarized Financial Information of Associates Explanatory [Text Block] |
|  | As of December 31, 2021 |  |  | For the year ended as of December 31, 2021 |
|  | Assets |  |  | Liabilities |  |  |  |  |  |  |  |  | Other |  |  |  |
Associate |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |  |  | Revenue |  |  | Net gain (loss) |  |  | comprehensive income |  |  | Comprehensive income |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Ajay North America |  |  | 21,771 |  |  |  | 15,096 |  |  |  | 4,421 |  |  |  | - |  |  |  | 47,375 |  |  |  | 5,718 |  |  |  | - |  |  |  | 5,718 |
Ajay Europe SARL |  |  | 25,927 |  |  |  | 1,241 |  |  |  | 10,742 |  |  |  | - |  |  |  | 48,409 |  |  |  | 3,705 |  |  |  | (34 | ) |  |  | 3,671 |
Total |  |  | 47,698 |  |  |  | 16,337 |  |  |  | 15,163 |  |  |  | - |  |  |  | 95,784 |  |  |  | 9,423 |  |  |  | (34 | ) |  |  | 9,389 |
|  | As of December 31, 2020 |  |  | For the year ended as of December 31, 2020 |
|  | Assets |  |  | Liabilities |  |  |  |  |  |  |  |  | Other |  |  |  |
Associate |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |  |  | Revenue |  |  | Net gain (loss) |  |  | comprehensive income |  |  | Comprehensive income |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Abu Dhabi Fertilizer Industries WWL |  |  | 29,313 |  |  |  | 8,586 |  |  |  | 6,706 |  |  |  | 101 |  |  |  | 6,641 |  |  |  | (420 | ) |  |  | - |  |  |  | (420 | )
Ajay North America |  |  | 18,513 |  |  |  | 15,749 |  |  |  | 4,737 |  |  |  | - |  |  |  | 42,920 |  |  |  | 4,471 |  |  |  | - |  |  |  | 4,471 |
Ajay Europe SARL |  |  | 22,032 |  |  |  | 1,493 |  |  |  | 7,773 |  |  |  | - |  |  |  | 41,950 |  |  |  | 2,058 |  |  |  | 1,736 |  |  |  | 3,794 |
Kore Potash PLC |  |  | 5,691 |  |  |  | 124,112 |  |  |  | 786 |  |  |  | - |  |  |  | - |  |  |  | (3,233 | ) |  |  | 486 |  |  |  | (2,747 | )
Total |  |  | 75,549 |  |  |  | 149,940 |  |  |  | 20,002 |  |  |  | 101 |  |  |  | 91,511 |  |  |  | 2,876 |  |  |  | 2,222 |  |  |  | 5,098 |
|  | As of December 31, 2019 |  |  | For the year ended as of December 31, 2019 |
|  | Assets |  |  | Liabilities |  |  |  |  |  |  |  |  | Other |  |  |  |
Associate |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |  |  | Revenue |  |  | Net gain (loss) |  |  | comprehensive income |  |  | Comprehensive income |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Abu Dhabi Fertilizer Industries WWL |  |  | 28,543 |  |  |  | 9,971 |  |  |  | 7,133 |  |  |  | - |  |  |  | 31,588 |  |  |  | 1,713 |  |  |  | 4 |  |  |  | 1,717 |
Doktor Tarsa Tarim Sanayi AS |  |  | 97,797 |  |  |  | 15,196 |  |  |  | 22,420 |  |  |  | 38,522 |  |  |  | 93,768 |  |  |  | 7,824 |  |  |  | 396 |  |  |  | 8,220 |
Ajay North America |  |  | 19,748 |  |  |  | 13,250 |  |  |  | 3,061 |  |  |  | - |  |  |  | 38,833 |  |  |  | 5,860 |  |  |  | - |  |  |  | 5,860 |
Ajay Europe SARL |  |  | 19,589 |  |  |  | 1,456 |  |  |  | 6,144 |  |  |  | - |  |  |  | 35,709 |  |  |  | 2,329 |  |  |  | (358 | ) |  |  | 1,971 |
SQM Eastmed Turkey |  |  | 2,718 |  |  |  | 1,833 |  |  |  | 2,600 |  |  |  | 704 |  |  |  | 3,086 |  |  |  | 709 |  |  |  | (84 | ) |  |  | 625 |
Kore Potash PLC |  |  | 7,938 |  |  |  | 119,362 |  |  |  | 2,214 |  |  |  | - |  |  |  | - |  |  |  | (2,716 | ) |  |  | (2,791 | ) |  |  | (5,507 | )
Total |  |  | 176,333 |  |  |  | 161,068 |  |  |  | 43,572 |  |  |  | 39,226 |  |  |  | 202,984 |  |  |  | 15,719 |  |  |  | (2,833 | ) |  |  | 12,886 |

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