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Provisions and other non-financial liabilities (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure of other provisions [abstract] |
Schedule of provisions |
|  | As of December 31, 2023 |  | As of December 31, 2022
Types of provisions |  | Current |  | Non-current |  | Total |  | Current |  | Non-current |  | Total
|  | ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$
Provision for legal complaints (1) |  | 106 |  | 1,195 |  | 1,301 |  | 52,106 |  | 1,603 |  | 53,709
Provision for dismantling, restoration and rehabilitation cost (2) |  | — |  | 58,459 |  | 58,459 |  | — |  | 53,995 |  | 53,995
Other provisions (3) |  | 392,216 |  | 796 |  | 393,012 |  | 1,251,040 |  | 2,455 |  | 1,253,495
Total |  | 392,322 |  | 60,450 |  | 452,772 |  | 1,303,146 |  | 58,053 |  | 1,361,199
________________________________________________ (1)These provisions correspond to legal processes that are pending resolution or that have not yet been disbursed, these provisions are mainly related to litigation involving the subsidiaries located in Chile, Brazil and the United States (see note 20.1). (2)Sernageomin commitments for the restoration of the location of the production sites have been incorporated. This cost value is calculated at discounted present value, using flows associated with plans with an evaluation horizon that fluctuates between 8 and 25 years for potassium-lithium operations and 11 to 22 years for nitrate-iodine operations. The rates used to discount future cash flows are based on market rates for the aforementioned terms. (3)See Note 18.2.
Schedule of other current and noncurrent provision |
Current provisions, other short-term provisions |  | As of December 31, 2023 |  | As of December 31, 2022
|  | ThUS$ |  | ThUS$
Rent under Lease contract (1) |  | 354,205 |  |  | 1,189,326 |
Provision for additional tax related to foreign loans |  | 1,641 |  |  | 1,085 |
End of agreement bonus |  | 6,979 |  |  | 35,819 |
Other bonuses to workers |  | 6,933 |  | —
Directors’ per diem allowance |  | 4,676 |  |  | 4,250 |
Miscellaneous provisions |  | 17,782 |  |  | 20,560 |
Total |  | 392,216 |  |  | 1,251,040 |
________________________________________________ (1)Payment Obligations for the lease contract with CORFO: These correspond to obligations assumed in the Lease Agreement. Our subsidiary SQM Salar holds exclusive rights to exploit the mineral resources in an area covering approximately 140,000 hectares of land in the Salar de Atacama in northern Chile, of which SQM Salar is only entitled to exploit the mineral resources in 81,920 hectares. These rights are owned by Corfo and leased to SQM Salar pursuant to the Lease Agreement. Corfo cannot unilaterally amend the Lease Agreement and the Project Agreement, and the rights to exploit the resources cannot be transferred. The Lease Agreement establishes that SQM Salar is responsible for making quarterly lease payments to Corfo according to specified percentages of the value of production of minerals extracted from the Salar de Atacama brines, maintaining Corfo’s rights over the Mining Exploitation Concessions and making annual payments to the Chilean government for such concession rights. The Lease Agreement was entered into in 1993 and expires on December 31, 2030. On January 17, 2018, SQM and CORFO reached an agreement to end an arbitration process directed by the arbitrator, Mr. Héctor Humeres Noguer, in case 1954-2014 of the Arbitration and Mediation Center of Santiago Chamber of Commerce and other cases related to it. The agreement signed in January 2018, includes important amendments to the lease agreement and project agreement signed between CORFO and SQM in 1993. The main modifications became effective on April 10, 2018 and require (i) higher lease payments as a result of increased lease rates associated with the sale of the different products produced in the Salar de Atacama, including lithium carbonate, lithium hydroxide and potassium chloride; (ii) SQM Salar commits to contribute between US$10.8 and US$18.9 million per year to research and development efforts, between US$10 and US$15 million per year to the communities near the Salar de Atacama basin, and to annually contribute 1.7% of SQM Salar’s total annual sales to regional development; (iii) Corfo authorization for CCHEN to establish a total production and sales limit for lithium products produced in the Salar de Atacama of up to 349,553 metric tons of lithium metal equivalent (1,860,671 tons of lithium carbonate equivalent), which is in addition to the approximately 64,816 metric tons of lithium metal equivalent (345,015 tons of lithium carbonate equivalent) remaining from the originally authorized amount; (iv) provisions relating to the return of real estate and movable property leased to Corfo, the transfer of environmental permits to Corfo at no cost and the granting of purchase options to Corfo for production facilities and water rights in the Salar de Atacama upon termination of Corfo agreements; and (v) prohibitions on the sale of lithium brine extracted from leased mining concessions. The fee structure is as follows:
Price US$/MT Li2CO3 |  | Lease payment rate
$0 - $4,000 |  | 6.8 | %
Over $4,000 - $5,000 |  | 8.0 | %
Over $5,000 - $6,000 |  | 10.0 | %
Over $6,000 - $7,000 |  | 17.0 | %
Over $7,000 - $10,000 |  | 25.0 | %
Over $10,000 |  | 40.0 | %
Price US$/MT LiOH |  | Lease payment rate
$0 - $5,000 |  | 6.8 | %
Over $5,000 - $6,000 |  | 8.0 | %
Over $6,000 - $7,000 |  | 10.0 | %
Over $7,000- $10,000 |  | 17.0 | %
Over $10,000 - $12,000 |  | 25.0 | %
Over $12,000 |  | 40.0 | %
Price US$/MT KCl |  | Lease payment rate
$0 - $300 |  | 3.0 | %
Over $300 - $400 |  | 7.0 | %
Over $400 - $500 |  | 10.0 | %
Over $500 - $600 |  | 15.0 | %
Over $600 |  | 20.0 | %
The Lease Agreement and the Project Agreement are subject to early termination in the case of certain default events. Under these, Corfo is obliged to use its best efforts to initiate a public bidding process or the corresponding contracting procedure for the execution of an act or contract for the exploitation of the OMA mining properties currently leased by SQM no later than June 30, 2027, and to resolve it no later than July 30, 2029.
Schedule of changes in provisions |
Description of items that gave rise to variations as of December 31, 2023 |  | Legal complaints |  | Provision for dismantling, restoration and rehabilitation cost |  | Other provisions |  | Total
|  | ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$
Total provisions, initial balance |  | 53,709 |  |  | 53,995 |  |  | 1,253,495 |  |  | 1,361,199 |
Changes |  |  |  |  |  |  |  |
Additional provisions |  | 266 |  |  | 12,127 |  |  | 1,922,666 |  |  | 1,935,059 |
Provision used |  | (52,707) |  |  | — |  |  | (2,771,422) |  |  | (2,824,129) |
Increase (decrease) in foreign currency exchange |  | 33 |  |  | — |  |  | (871) |  |  | (838) |
Others |  | — |  |  | (7,663) |  |  | (10,856) |  |  | (18,519) |
Total Increase (decreases) |  | (52,408) |  |  | 4,464 |  |  | (860,483) |  |  | (908,427) |
Total |  | 1,301 |  |  | 58,459 |  |  | 393,012 |  |  | 452,772 |
Description of items that gave rise to variations as of December 31, 2022 |  | Legal complaints |  | Provision for dismantling, restoration and rehabilitation cost |  | Other provisions |  | Total
|  | ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$
Total provisions, initial balance |  | 49,741 |  |  | 58,592 |  |  | 270,371 |  |  | 378,704 |
Changes |  |  |  |  |  |  |  |
Additional provisions |  | 3,981 |  |  | 7,085 |  |  | 3,045,758 |  |  | 3,056,824 |
Provision used |  | — |  |  | — |  |  | (2,060,321) |  |  | (2,060,321) |
Increase (decrease) in foreign currency exchange |  | (1) |  |  | (35) |  |  | 4 |  |  | (32) |
Others |  | (12) |  |  | (11,647) |  |  | (2,317) |  |  | (13,976) |
Total Increase (decreases) |  | 3,968 |  |  | (4,597) |  |  | 983,124 |  |  | 982,495 |
Total |  | 53,709 |  |  | 53,995 |  |  | 1,253,495 |  |  | 1,361,199 |
Description of items that gave rise to variations as of December 31, 2021 |  | Legal complaints |  | Provision for dismantling, restoration and rehabilitation cost |  | Other provisions |  | Total
|  | ThUS$ |  | ThUS$ |  | ThUS$ |  | ThUS$
Total provisions, initial balance |  | 10,165 |  |  | 61,265 |  |  | 95,353 |  |  | 166,783 |
Changes |  |  |  |  |  |  |  |
Additional provisions |  | 48,012 |  |  | 7,302 |  |  | 232,254 |  |  | 287,568 |
Provision used |  | (8,399) |  |  | — |  |  | (56,959) |  |  | (65,358) |
Increase (decrease) in foreign currency exchange |  | (37) |  |  | — |  |  | (35) |  |  | (72) |
Others |  | — |  |  | (9,975) |  |  | (242) |  |  | (10,217) |
Total Increase (decreases) |  | 39,576 |  |  | (2,673) |  |  | 175,018 |  |  | 211,921 |
Total |  | 49,741 |  |  | 58,592 |  |  | 270,371 |  |  | 378,704 |
Schedule of other non-financial liabilities, current |
Description of other liabilities |  | As of December 31, 2023 |  | As of December 31, 2022
|  | ThUS$ |  | ThUS$
Tax withholdings |  | 8,750 |  |  | 46,518 |
VAT payable |  | 33,782 |  |  | 43,439 |
Guarantees received |  | 1,021 |  |  | 743 |
Accrual for dividend |  | 67,219 |  |  | 7,370 |
Monthly tax provisional payments |  | 26,160 |  |  | 289,326 |
Deferred income |  | 4,144 |  |  | 19,341 |
Withholdings from employees and salaries payable |  | 9,333 |  |  | 7,242 |
Accrued vacations |  | 35,902 |  |  | 29,642 |
Other current liabilities |  | 994 |  |  | 2,856 |
Total |  | 187,305 |  |  | 446,477 |

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