XML 205 R71.htm IDEA: XBRL DOCUMENT
v3.20.1

Basis of presentation for the consolidated financial statements (Details 2) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID |  | Total | Foreign
Description of functional currency |  |  | US$
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 |  | Curacao |
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 |  | Curacao |
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 |  | Curacao |
Description of functional currency |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SQM Brasil Limitada [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% | 100.00%
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 |  | US$ |
Proportion of ownership interest in subsidiary |  | 100.00% | 100.00%
SACAL S.A. [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Description Of Tax ID | [1] | Foreign |
Country of incorporation of subsidiary | [1] | Argentina |
Description of functional currency | [1] | ARS |
Proportion of ownership interest in subsidiary | [1] | 0.00% | 100.00%
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 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%
SQM Internacional 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%
SQM (Shanghai) Chemicals 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%
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 | [2] | 86.630.200-6 |
Country of incorporation of subsidiary | [2] | Chile |
Description of functional currency | [2] | Ch$ |
Proportion of ownership interest in subsidiary | [2] | 0.00% | 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 | [3] | 78.053.910-0 |
Country of incorporation of subsidiary | [3] | Chile |
Description of functional currency | [3] | Ch$ |
Proportion of ownership interest in subsidiary | [3] | 0.00% | 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 |  | 60.6387% | 60.6387%
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% | 100.00%
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 |  | 0.0091% |
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 Limitada [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 0.84% |
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 | [1] | 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 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] | SQM Internacional 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] | SQM (Shanghai) Chemicals 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] | 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 | [2] | 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 | [3] | 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 |  | 0.00% |
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 |  | 1000000.00% |
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 |  | 99.98413% |
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 |  | 99.99093% |
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 Limitada [Member] |  |  |
Disclosure of basis of presentation for the consolidated financial statements [LineItems] |  |  |
Proportion of ownership interest in subsidiary |  | 99.16% |
Indirect 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 |  | 100.00% |
Indirect 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 |  | 99.8403% |
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 | [1] | 0.00% |
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] |  |  |
Proportion of ownership interest in subsidiary |  | 100.00% |
Indirect 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 |  | 100.00% |
Indirect ownership interest [Member] | SQM Thailand Limited [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 Internacional 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] | SQM (Shanghai) Chemicals Co. 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] | Comercial Hydro 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 Potasio 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] | 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 | [2] | 0.00% |
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 | [3] | 0.00% |
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 |  | 60.6387% |
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 |  | 100.00% |
[1] | On June 26, 2019, SACAL was liquidated.
[2] | On March 01, 2019, SQMC Internacional merged with Soquimich Comercial S.A.
[3] | On April 01, 2019, Proinsa Ltda was liquidated.

X
- Definition The country in which a subsidiary of the entity is incorporated. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_ii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_ii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 12 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_12_b&doctype=Standard -URIDate 2019-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_CountryOfIncorporationOrResidenceOfSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The description of the currency of the primary economic environment in which the entity operates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2019-01-01 -Paragraph 53 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2019-en-r&anchor=para_53&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2019-01-01 -Paragraph 57 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2019-en-r&anchor=para_57_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DescriptionOfFunctionalCurrency
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description Of Tax ID + References No definition available. + Details
Name: | sqm_DescriptionOfTaxId
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sqm_DisclosureOfBasisOfPresentationForConsolidatedFinancialStatementsLineitems
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_NitratosNaturaisDoChileLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_NitrateCorporationOfChileLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmNorthAmericaCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmEuropeNvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SoquimichSrlArgentinaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SoquimichEuropeanHoldingBvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmCorporationNvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqiCorporationNvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmComercialDeMexicoSaDeCvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_NorthAmericanTradingCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_AdministracionYServiciosSantiagoSaDeCvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmPeruSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmEcuadorSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmNitratosMexicoSaDeCvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmcHoldingCorporationLlpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmInvestmentCorporationNvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmBrasilLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmFranceSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmJapanCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_RoyalSeedTradingCorporationAvvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmOceaniaPtyLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_RsAgrochemicalTradingCorporationAvvMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmColombiaSasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SQMAustraliaPtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SacalSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmIndonesiaSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmVirginiaLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmItaliaSrlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_ComercialCaimanInternacionalSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmAfricaPtyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmLithiumSpecialtiesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmIberianSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmBeijingCommercialCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmThailandLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SQMInternacionalNVMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SQMShanghaiChemicalsCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_ComercialHydroSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmPotasioSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmNitratosSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_AjaySqmChileSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmcInternacionalltdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmIndustrialSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_IsapreNorteGrandeLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_AlmacenesYDepositosLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_ServiciosIntegralesDeTransitosYTransferenciasSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SoquimichComercialSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmSalarSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_ProinsaLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SociedadPrestadoraDeServiciosDeSaludCruzDelNorteSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_ExploracionesMinerasSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_ComercialAgroramaLtdaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_AgroramaSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_OrcomaEstudiosSpaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_OrcomaSpaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfOrdinarySharesAxis=sqm_SqmMagSpaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sqm_TypesOfOwnershipInterestAxis=sqm_DirectOwnershipInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | sqm_TypesOfOwnershipInterestAxis=sqm_IndirectOwnershipInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |