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Right-of-use assets and Lease liabilities (Details 2) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
SQM Salar SA [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
SQM Salar SA [Member] | Empresa Constructora Contex Ltda [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency |  | UF
Type Of Amortization |  | Monthly
Maturity date |  | Mar. 31, 2025
Effective rate | 5.39% |
SQM Salar SA [Member] | Maquinaria Astudillo y Hermanos Limitada [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Effective rate | 2.89% |
SQM Salar SA [Member] | Transportes Construccin y Servicios Cribach Ltda [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency |  | Peso
Type Of Amortization |  | Monthly
Maturity date |  | Sep. 01, 2020
Effective rate | 8.93% |
SQM Salar SA [Member] | SKM Industrial Ltda [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency |  | Peso
Type Of Amortization |  | Monthly
Maturity date |  | Jun. 01, 2022
Effective rate | 8.93% |
SQM Salar SA [Member] | Ameco Chile SA [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Peso |
Type Of Amortization | Monthly |
Maturity date | Apr. 24, 2021 |
Effective rate | 4.07% |
SQM Salar SA [Member] | Maquinaria Astudillo Y Hermanos Limitada One [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Peso |
Type Of Amortization | Monthly |
Maturity date | Nov. 24, 2025 |
Effective rate | 2.89% |
SQM Salar SA [Member] | Sociedad Inmobiliaria Amaru SpA [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Jul. 11, 2023 |
Effective rate | 2.00% |
SQM Salar SA [Member] | Maquinaria Astudillo y Hermanos Ltda. [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | UF | UF
Type Of Amortization | Monthly | Monthly
Maturity date | Jun. 01, 2026 | Jan. 08, 2026
Effective rate | 3.26% |
SQM Industrial SA [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
SQM Industrial SA [Member] | El Trovador SA [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency |  | UF
Type Of Amortization |  | Monthly
Maturity date |  | Feb. 08, 2030
Effective rate | 3.10% |
SQM Industrial SA [Member] | Sociedad Comercial Grandleasing Chile Ltda [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency |  | UF
Type Of Amortization |  | Monthly
Maturity date |  | Aug. 26, 2024
Effective rate | 2.72% |
SQM Industrial SA [Member] | Jungheinrich Rentalif SPA [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Oct. 07, 2024 |
Effective rate | 3.49% |
SQM Industrial SA [Member] | Tecno Fast S.A. [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Dec. 31, 2022 |
Effective rate | 1.44% |
Soquimich Comercial S.A. [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
Soquimich Comercial S.A. [Member] | Containers Operators S A [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency |  | UF
Type Of Amortization |  | Monthly
Maturity date |  | Dec. 31, 2022
Effective rate | 0.81% |
Soquimich Comercial S.A. [Member] | SAAM Logistics SA [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency |  | 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] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Jul. 06, 2023 |
Effective rate | 1.30% |
Soquimich Comercial S.A. [Member] | Muelles de Penco SA One [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | 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] |  |
Functional currency | 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] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Jul. 05, 2025 |
Effective rate | 2.97% |
SQM North America Corp. [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
SQM North America Corp. [Member] | Paces West LL [Member] | UNITED STATES |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | 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] |  |
Functional currency | Dollar |
Type Of Amortization | Monthly |
Maturity date | Aug. 31, 2024 |
Effective rate | 3.33% |
SQM North America Corp. [Member] | Deep South Equipment Company [Member] | UNITED STATES |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
Type Of Amortization | Monthly |
Maturity date | Mar. 24, 2024 |
Effective rate | 1.33% |
SQM North America Corp. [Member] | Tennant-South [Member] | UNITED STATES |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
Type Of Amortization | Monthly |
Maturity date | Jul. 02, 2023 |
Effective rate | 1.00% |
SQM Comercial De Mexico S.A. de C.V. [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | 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] |  |
Functional currency | 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] |  |
Functional currency | Mexican Peso |
Type Of Amortization | Monthly |
Maturity date | Oct. 31, 2023 |
Effective rate | 7.84% |
SQM Comercial De Mexico S.A. de C.V. [Member] | Madol Inmobiliaria SA de CV One [Member] | MEXICO |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | 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] |  |
Functional currency | Dollar |
SQM Europe N.V. [Member] | Straatsburgdok NV [Member] | BELGIUM |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | 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] |  |
Functional currency | Dollar |
SQM Australia PTY [Member] | The trust Company Australia Pty Ltd [Member] | AUSTRALIA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Australian dollar |
Type Of Amortization | Monthly |
Maturity date | Jan. 31, 2021 |
Effective rate | 3.60% |
SQM Australia PTY [Member] | Eagle Petroleum (WA) Pty Ltd [Member] | AUSTRALIA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Australian dollar |
Type Of Amortization | Monthly |
Maturity date | Jun. 21, 2022 |
Effective rate | 5.00% |
SQM Australia PTY [Member] | Ausco Modular Pty Limited [Member] | AUSTRALIA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Australian dollar |
Type Of Amortization | Monthly |
Maturity date | Jan. 31, 2023 |
Effective rate | 5.00% |
SQM Australia PTY [Member] | Western Australian Land Authority [Member] | AUSTRALIA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Australian dollar |
Type Of Amortization | Monthly |
Maturity date | Aug. 31, 2051 |
Effective rate | 3.55% |
SQM Nitratos S.A. [Member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
SQM Nitratos S.A. [Member] | Jungheinrich Rentalif SPA [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Oct. 07, 2024 |
Effective rate | 3.49% |
SQM S.A. [Member] | Jungheinrich Rentalif SPA [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Oct. 07, 2024 |
Effective rate | 3.49% |
Orcoma Estudios SPA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Dollar |
Orcoma Estudios SPA | Obispado de Iquique [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | CLP |
Type Of Amortization | Monthly |
Maturity date | Jul. 12, 2036 |
Effective rate | 6.16% |
Orcoma Estudios SPA | Comunidad Indgena Aymara Pueblo de Pisiga Choque [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | UF |
Type Of Amortization | Monthly |
Maturity date | Jul. 12, 2024 |
Effective rate | 2.53% |
Orcoma Estudios SPA | Ruth del Carmen Cortez Maturana [Member] | CHILE |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | Peso |
Type Of Amortization | Monthly |
Maturity date | Jul. 12, 2031 |
Effective rate | 7.44% |
SQM Colombia S.A.S. [Member] | Mareauto Colombia S.A.S. [Member] | COLOMBIA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | COP |
Type Of Amortization | Monthly |
Maturity date | Dec. 18, 2023 |
Effective rate | 2.01% |
SQM Colombia S.A.S. [Member] | Renting Colombia S.A. [Member] | COLOMBIA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | COP |
Type Of Amortization | Monthly |
Maturity date | Oct. 16, 2024 |
Effective rate | 2.72% |
SQM Colombia S.A.S. [Member] | Renting Colombia S.a.One [Member] | COLOMBIA |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Functional currency | COP |
Type Of Amortization | Monthly |
Maturity date | Dec. 27, 2024 |
Effective rate | 2.17% |

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