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Financial instruments (Details 14) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 30, 2020
Financial instruments [Line Items] |  |  |
Tax ID No. | 77.114.779-8 | N/A |
Country |  | Chile |
Notional amount | $ 43,396 | $ 39,031 | $ 51,584
Borrowing costs | $ (2,802) | $ (2,250) |
Bank Borrowings Chilean Tax [Member] |  |  |
Financial instruments [Line Items] |  |  |
Tax ID No. | 93.007.000-9 | 93.007.000-9 |
Company | SQM S.A. | SQM S.A. |
Country | Chile | Chile |
Tax ID No. | O-E | O-E |
Financial institution | Scotiabank Cayman | Scotiabank Cayman |
Country | USA | USA |
Currency or adjustment index | US | US |
Effective rate | 2.05% | 1.98% |
Nominal rate | 1.36% | 1.36% |
Non current bonds issued [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | $ 70,000 | $ 70,000 |
Non-current maturities | 70,000 | 70,000 |
Borrowing costs | (387) | (624) |
Total | $ 69,613 | $ 69,376 |
Non current bonds issued [Member] | Bank Borrowings Chilean Tax [Member] |  |  |
Financial instruments [Line Items] |  |  |
Company | SQM S.A. | SQM S.A. |
Financial institution | Scotiabank Cayman | Scotiabank Cayman |
Notional amount | $ 70,000 | $ 70,000 |
Non-current maturities | 70,000 | 70,000 |
Borrowing costs | (387) | (624) |
Total | 69,613 | 69,376 |
Non current bonds issued [Member] | Between 1 year to 2 [member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 70,000 | 0 |
Non-current maturities | 70,000 | 0 |
Non current bonds issued [Member] | Between 1 year to 2 [member] | Bank Borrowings Chilean Tax [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 70,000 | 0 |
Non-current maturities | 70,000 | 0 |
Non current bonds issued [Member] | Between 2 years to 3 [member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 70,000 |
Non-current maturities | 0 | 70,000 |
Non current bonds issued [Member] | Between 2 years to 3 [member] | Bank Borrowings Chilean Tax [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 70,000 |
Non-current maturities | 0 | 70,000 |
Non current bonds issued [Member] | Between 3 Years to 4 [member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 0 |
Non-current maturities | 0 | 0 |
Non current bonds issued [Member] | Between 3 Years to 4 [member] | Bank Borrowings Chilean Tax [Member] |  |  |
Financial instruments [Line Items] |  |  |
Notional amount | 0 | 0 |
Non-current maturities | $ 0 | $ 0 |

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- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The currency in which the borrowings are denominated. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_7&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The country in which the entity is incorporated. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 138 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_138_a&doctype=Standard -URIDate 2021-03-24 + Details
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