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Right-of-use assets and Lease liabilities (Details 2) | 12 Months Ended
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Dec. 31, 2020
SQM Salar S.A. [Member] |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
SQM Salar S.A. [Member] | Empresa Constructora Contex Ltda [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | UF
Type Of Amortization | Monthly
Maturity date | Mar. 31, 2021
Effective rate | 0.00%
SQM Salar S.A. [Member] | Transportes Construccin y Servicios Cribach Ltda [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Peso
Type Of Amortization | Monthly
Maturity date | Sep. 01, 2020
Effective rate | 8.93%
SQM Salar S.A. [Member] | SKM Industrial Ltda [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Peso
Type Of Amortization | Monthly
Maturity date | Jun. 01, 2022
Effective rate | 8.93%
SQM Salar S.A. [Member] | Ameco Chile SA [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Peso
Type Of Amortization | Monthly
Maturity date | Apr. 24, 2021
Effective rate | 4.07%
SQM Industrial S.A. [Member] |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
SQM Industrial S.A. [Member] | El Trovador SA [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | UF
Type Of Amortization | Monthly
Maturity date | Feb. 08, 2030
Effective rate | 3.10%
SQM Industrial S.A. [Member] | Sociedad Comercial Grandleasing Chile Ltda [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | UF
Type Of Amortization | Monthly
Maturity date | Aug. 26, 2024
Effective rate | 2.72%
Soquimich Comercial S.A. [Member] |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
Soquimich Comercial S.A. [Member] | SAAM Logistics SA [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | UF
Type Of Amortization | Monthly
Maturity date | Aug. 01, 2022
Effective rate | 0.81%
Soquimich Comercial S.A. [Member] | Muelles de Penco SA [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | UF
Type Of Amortization | Monthly
Maturity date | Jul. 06, 2023
Effective rate | 1.30%
Soquimich Comercial S.A. [Member] | Inmobiliaria Chincui SPA [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | UF
Type Of Amortization | Monthly
Maturity date | May 01, 2028
Effective rate | 3.38%
Soquimich Comercial S.A. [Member] | Compaa de Leasing Tattersall SA [Member] | CHILE |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | UF
Type Of Amortization | Monthly
Maturity date | May 24, 2021
Effective rate | 6.18%
SQM North America Corp. [Member] |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
SQM North America Corp. [Member] | Paces West LL [Member] | UNITED STATES |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
Type Of Amortization | Monthly
Maturity date | Dec. 31, 2027
Effective rate | 3.36%
SQM North America Corp. [Member] | Hawkins Nunmber One LLC [Member] | UNITED STATES |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
Type Of Amortization | Monthly
Maturity date | Aug. 31, 2024
Effective rate | 3.33%
SQM Comercial De Mexico S.A. de C.V. [Member] |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
SQM Comercial De Mexico S.A. de C.V. [Member] | Onni Ensenada SA de CV [Member] | MEXICO |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
Type Of Amortization | Monthly
Maturity date | Dec. 03, 2026
Effective rate | 3.45%
SQM Comercial De Mexico S.A. de C.V. [Member] | Madol Inmobiliaria SA de CV [Member] | MEXICO |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Mexican Peso
Type Of Amortization | Monthly
Maturity date | Oct. 31, 2023
Effective rate | 7.84%
SQM Europe N.V. [Member] |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
SQM Europe N.V. [Member] | Straatsburgdok NV [Member] | BELGIUM |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Euro
Type Of Amortization | Monthly
Maturity date | Mar. 31, 2027
Effective rate | 1.30%
SQM Australia PTY [Member] |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Dollar
SQM Australia PTY [Member] | The trust Company Australia Pty Ltd [Member] | AUSTRALIA |
Disclosure of quantitative information about right-of-use assets [line items] |
Contract indexation unit | Australian dollar
Type Of Amortization | Monthly
Maturity date | Jan. 31, 2021
Effective rate | 3.60%

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