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Basis of presentation for the consolidated financial statements (Details 1) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Nitratos Naturais Do Chile Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Brazil |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Nitrate Corporation Of Chile Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | United Kingdom |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM North America Corp. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | USA |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Europe N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Belgium |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Soquimich S.R.L. Argentina [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Argentina |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Soquimich European Holding B.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Netherlands |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Netherlands |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQI Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Netherlands |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Comercial De Mexico S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Mexico |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
North American Trading Company [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | USA |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Administracion y Servicios Santiago S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Mexico |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Peru S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Peru |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Ecuador S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Ecuador |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Nitratos Mexico S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Mexico |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQMC Holding Corporation L.L.P. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | USA. |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Investment Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Netherlands |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Brasil Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Brazil |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM France S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | France |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Japan Co. Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Japan |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Royal Seed Trading Corporation A.V.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Aruba |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Oceania Pty Limited [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Australia |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Rs Agro-Chemical Trading Corporation A.V.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Aruba |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Colombia SAS [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Colombia |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 0.00%
SQM Australia PTY [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Australia |
Description of functional currency |  | Dolar Australiano |
Proportion of ownership interest in subsidiary |  | 100.00% | 0.00%
SACAL S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Argentina |
Description of functional currency |  | Peso Argentino |
Proportion of ownership interest in subsidiary |  | 100.00% | 0.00%
SQM Indonesia S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Indonesia |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 80.00% | 80.00%
SQM Virginia L.L.C. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | USA |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Italia SRL [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Italy |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Comercial Caiman Internacional S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Panama |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Africa Pty. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | South Africa |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Lithium Specialties LLC [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | USA |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Iberian S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Spain |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Agro India Pvt. Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | India |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Beijing Commercial Co. Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | China |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Thailand Limited [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Foreign |
Country of incorporation of subsidiary |  | Thailand |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 99.996% | 99.996%
Comercial Hydro S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 96,801,610-5 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 60.6383% | 60.6383%
SQM Potasio S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 96,651,060-9 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 99.9999% | 99.9999%
SQM Nitratos S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 96,592,190-7 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Ajay SQM Chile S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 96,592,180-K |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 51.00% | 51.00%
SQMC Internacional Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 86,630,200-6 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | Ch$ |
Proportion of ownership interest in subsidiary |  | 60.6381% | 60.6381%
SQM Industrial S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 79,947,100-0 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Isapre Norte Grande Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 79,906,120-1 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | Ch$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Almacenes y Depositos Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 79,876,080-7 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | Ch$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Servicios Integrales de Transitos y Transferencias S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 79,770,780-5 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Soquimich Comercial S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 79,768,170-9 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 60.6383% | 60.6383%
SQM Salar S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 79,626,800-K |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Proinsa Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 78,053,910-0 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | Ch$ |
Proportion of ownership interest in subsidiary |  | 60.58% | 60.58%
Sociedad Prestadora de Servicios de Salud Cruz del Norte S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 76,534,490-5 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | Ch$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Exploraciones Mineras S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 76,425,380-9 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
Comercial Agrorama Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID | [1] | 76,064,419-6 |
Country of incorporation of subsidiary | [1] | Chile |
Description of functional currency | [1] | Ch$ |
Proportion of ownership interest in subsidiary | [1] | 42.4468% | 42.4468%
Agrorama S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 76,145,229-0 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | Ch$ |
Proportion of ownership interest in subsidiary |  | 60.6377% | 60.6377%
Orcoma Estudios SPA [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 76,359,919-1 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 51.00% | 51.00%
Orcoma SPA [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 76,360,575-2 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM MaG SpA. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | 76,686,311-9 |
Country of incorporation of subsidiary |  | Chile |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 1000000.00%
Direct ownership interest [Member] | Nitratos Naturais Do Chile Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Nitrate Corporation Of Chile Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM North America Corp. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 40.00% |
Direct ownership interest [Member] | SQM Europe N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.58% |
Direct ownership interest [Member] | Soquimich S.R.L. Argentina [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Soquimich European Holding B.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.0002% |
Direct ownership interest [Member] | SQI Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.0159% |
Direct ownership interest [Member] | SQM Comercial De Mexico S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.01% |
Direct ownership interest [Member] | North American Trading Company [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Administracion y Servicios Santiago S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Peru S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.98% |
Direct ownership interest [Member] | SQM Ecuador S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.004% |
Direct ownership interest [Member] | SQM Nitratos Mexico S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQMC Holding Corporation L.L.P. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.10% |
Direct ownership interest [Member] | SQM Investment Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 1.00% |
Direct ownership interest [Member] | SQM Brasil Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 1.09% |
Direct ownership interest [Member] | SQM France S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Japan Co. Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.1597% |
Direct ownership interest [Member] | Royal Seed Trading Corporation A.V.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 1.67% |
Direct ownership interest [Member] | SQM Oceania Pty Limited [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Rs Agro-Chemical Trading Corporation A.V.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 98.3333% |
Direct ownership interest [Member] | SQM Colombia SAS [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Australia PTY [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SACAL S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Indonesia S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Virginia L.L.C. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Italia SRL [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Comercial Caiman Internacional S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Africa Pty. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Lithium Specialties LLC [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Iberian S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Agro India Pvt. Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Beijing Commercial Co. Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Thailand Limited [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Comercial Hydro S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Potasio S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.9999% |
Direct ownership interest [Member] | SQM Nitratos S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.9999% |
Direct ownership interest [Member] | Ajay SQM Chile S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 51.00% |
Direct ownership interest [Member] | SQMC Internacional Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Industrial S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.047% |
Direct ownership interest [Member] | Isapre Norte Grande Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 1.00% |
Direct ownership interest [Member] | Almacenes y Depositos Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 1.00% |
Direct ownership interest [Member] | Servicios Integrales de Transitos y Transferencias S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.0003% |
Direct ownership interest [Member] | Soquimich Comercial S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | SQM Salar S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 18.18% |
Direct ownership interest [Member] | Proinsa Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Sociedad Prestadora de Servicios de Salud Cruz del Norte S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Exploraciones Mineras S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.2691% |
Direct ownership interest [Member] | Comercial Agrorama Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary | [1] | 0.00% |
Direct ownership interest [Member] | Agrorama S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Direct ownership interest [Member] | Orcoma Estudios SPA [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 51.00% |
Direct ownership interest [Member] | Orcoma SPA [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Direct ownership interest [Member] | SQM MaG SpA. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | Nitratos Naturais Do Chile Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | Nitrate Corporation Of Chile Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM North America Corp. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 60.00% |
Indirect ownership interest [Member] | SQM Europe N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.42% |
Indirect ownership interest [Member] | Soquimich S.R.L. Argentina [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | Soquimich European Holding B.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.9998% |
Indirect ownership interest [Member] | SQI Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.9841% |
Indirect ownership interest [Member] | SQM Comercial De Mexico S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.99% |
Indirect ownership interest [Member] | North American Trading Company [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | Administracion y Servicios Santiago S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Peru S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.02% |
Indirect ownership interest [Member] | SQM Ecuador S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.996% |
Indirect ownership interest [Member] | SQM Nitratos Mexico S.A. de C.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQMC Holding Corporation L.L.P. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.90% |
Indirect ownership interest [Member] | SQM Investment Corporation N.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.00% |
Indirect ownership interest [Member] | SQM Brasil Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 98.91% |
Indirect ownership interest [Member] | SQM France S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Indirect ownership interest [Member] | SQM Japan Co. Ltd. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Indirect ownership interest [Member] | Royal Seed Trading Corporation A.V.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 98.33% |
Indirect ownership interest [Member] | SQM Oceania Pty Limited [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | Rs Agro-Chemical Trading Corporation A.V.V. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 1.6667% |
Indirect ownership interest [Member] | SQM Colombia SAS [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Australia PTY [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SACAL S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Indonesia S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 80.00% |
Indirect ownership interest [Member] | SQM Virginia L.L.C. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Italia SRL [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | Comercial Caiman Internacional S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Africa Pty. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Lithium Specialties LLC [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | SQM Iberian S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Indirect ownership interest [Member] | SQM Potasio S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
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Indirect ownership interest [Member] | SQM Nitratos S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.0001% |
Indirect ownership interest [Member] | Ajay SQM Chile S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Indirect ownership interest [Member] | SQMC Internacional Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 60.6381% |
Indirect ownership interest [Member] | SQM Industrial S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.953% |
Indirect ownership interest [Member] | Isapre Norte Grande Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.00% |
Indirect ownership interest [Member] | Almacenes y Depositos Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.00% |
Indirect ownership interest [Member] | Servicios Integrales de Transitos y Transferencias S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.9997% |
Indirect ownership interest [Member] | Soquimich Comercial S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 60.6383% |
Indirect ownership interest [Member] | SQM Salar S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 81.82% |
Indirect ownership interest [Member] | Proinsa Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 60.58% |
Indirect ownership interest [Member] | Sociedad Prestadora de Servicios de Salud Cruz del Norte S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect ownership interest [Member] | Exploraciones Mineras S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.7309% |
Indirect ownership interest [Member] | Comercial Agrorama Ltda. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary | [1] | 42.4468% |
Indirect ownership interest [Member] | Agrorama S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 60.6377% |
Indirect ownership interest [Member] | Orcoma Estudios SPA [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Indirect ownership interest [Member] | Orcoma SPA [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
Indirect ownership interest [Member] | SQM MaG SpA. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.00% |
[1] | The Company consolidated Comercial Agrorama Ltda. as it has the control of this company’s relevant activities.

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