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Financial instruments (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure Of Financials instruments [Abstract] |
Disclosure of detailed information about other financial assets [Text Block] | Financial instruments are detailed as follows:
| 13.1 | Types of other financial assets
Description of other financial assets |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |
Financial assets at amortized cost (1) |  |  | 291,790 |  |  |  | 360,941 |
Derivative financial instruments |  |  |  |  |  |  |  |
- For hedging |  |  | 18,238 |  |  |  | - |
- At fair value through profit or loss (2) |  |  | 2,693 |  |  |  | 6,038 |
Total other current financial assets |  |  | 312,721 |  |  |  | 366,979 |
Investments classified as available for sale at fair value through profit or loss |  |  | - |  |  |  | 9,179 |
Financial assets at fair value through other comprehensive income |  |  | 3,631 |  |  |  | - |
Derivative financial instruments |  |  |  |  |  |  |  |
- For hedging |  |  | 13,425 |  |  |  | 8,910 |
Financial assets at amortized cost (3) |  |  | 75 |  |  |  | 24,790 |
Total other non-current financial assets |  |  | 17,131 |  |  |  | 42,879 |
| (1) | Corresponds to term deposits whose maturity date is greater than 90 days and less than 360 days from the investment date constituted in the following financial institutions:
| (2) | Correspond to forwards and options that were not classified as hedging instruments (See detail in Note 13.3).
| (3) | SQM Potassium S.A. contributed ThUS$24,745 to Western Australia Lithium (WAL). As of December 31, 2017, this had not been legally incorporated as a Company and the funds remained in trust pending transfer to WAL.
Disclosure of detailed information about other current financial assets [Text Block] |
Institution |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |
Banco Santander |  |  | 23,124 |  |  |  | 163,269 |
Banco de Crédito e Inversiones |  |  | 145,834 |  |  |  | 71,748 |
Banco Itaú-Corpbanca |  |  | 70,719 |  |  |  | 77,527 |
Banco Security |  |  | 27,215 |  |  |  | 28,592 |
Scotiabank Sud Americano |  |  | 24,898 |  |  |  | 13,764 |
Banco Chile |  |  | - |  |  |  | 4,834 |
Banco BBVA Chile |  |  | - |  |  |  | 1,207 |
Total |  |  | 291,790 |  |  |  | 360,941 |
Disclosure of trade and other receivables [text block] |
| 13.2 | Trade and other receivables
|  | 12/31/2018 |  |  | 12/31/2017 |
|  | Current |  |  | Non-current |  |  | Total |  |  | Current |  |  | Non-current |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$$ |  |  | ThUS$ |
Trade receivables |  |  | 429,150 |  |  |  | - |  |  |  | 429,150 |  |  |  | 412,321 |  |  |  | - |  |  |  | 412,321 |
Prepayments |  |  | 16,147 |  |  |  | - |  |  |  | 16,147 |  |  |  | 16,177 |  |  |  | - |  |  |  | 16,177 |
Other receivables |  |  | 19,558 |  |  |  | 2,275 |  |  |  | 21,833 |  |  |  | 18,377 |  |  |  | 1,912 |  |  |  | 20,289 |
Total trade and other receivables |  |  | 464,855 |  |  |  | 2,275 |  |  |  | 467,130 |  |  |  | 446,875 |  |  |  | 1,912 |  |  |  | 448,787 |
|  | 12/31/2018 |  |  | 12/31/2017 |
|  | Assets before allowances |  |  | Allowance for doubtful trade receivables |  |  | Assets for trade receivables, net |  |  | Assets before allowances |  |  | Allowance for doubtful trade receivables |  |  | Assets for trade receivables, net |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Receivables related to credit operations, current |  |  | 445,670 |  |  |  | (16,520 | ) |  |  | 429,150 |  |  |  | 427,400 |  |  |  | (15,079 | ) |  |  | 412,321 |
Trade receivables, current |  |  | 445,670 |  |  |  | (16,520 | ) |  |  | 429,150 |  |  |  | 427,400 |  |  |  | (15,079 | ) |  |  | 412,321 |
Prepayments, current |  |  | 16,990 |  |  |  | (843 | ) |  |  | 16,147 |  |  |  | 16,877 |  |  |  | (700 | ) |  |  | 16,177 |
Other receivables, current |  |  | 23,863 |  |  |  | (4,305 | ) |  |  | 19,558 |  |  |  | 23,409 |  |  |  | (5,032 | ) |  |  | 18,377 |
Current trade and other receivables |  |  | 40,853 |  |  |  | (5,148 | ) |  |  | 35,705 |  |  |  | 40,286 |  |  |  | (5,732 | ) |  |  | 34,554 |
Other receivables, non-current |  |  | 2,275 |  |  |  | - |  |  |  | 2,275 |  |  |  | 1,912 |  |  |  | - |  |  |  | 1,912 |
Non-current receivables |  |  | 2,275 |  |  |  | - |  |  |  | 2,275 |  |  |  | 1,912 |  |  |  | - |  |  |  | 1,912 |
Total trade and other receivables |  |  | 488,798 |  |  |  | (21,668 | ) |  |  | 467,130 |  |  |  | 469,598 |  |  |  | (20,811 | ) |  |  | 448,787 |
Disclosure of detailed information about trade and other receivables [Text Block] |
|  | 12/31/2018 |  |  | 12/31/2017 |
|  | Assets before allowances |  |  | Allowance for doubtful trade receivables |  |  | Assets for trade receivables, net |  |  | Assets before allowances |  |  | Allowance for doubtful trade receivables |  |  | Assets for trade receivables, net |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Receivables related to credit operations, current |  |  | 445,670 |  |  |  | (16,520 | ) |  |  | 429,150 |  |  |  | 427,400 |  |  |  | (15,079 | ) |  |  | 412,321 |
Trade receivables, current |  |  | 445,670 |  |  |  | (16,520 | ) |  |  | 429,150 |  |  |  | 427,400 |  |  |  | (15,079 | ) |  |  | 412,321 |
Prepayments, current |  |  | 16,990 |  |  |  | (843 | ) |  |  | 16,147 |  |  |  | 16,877 |  |  |  | (700 | ) |  |  | 16,177 |
Other receivables, current |  |  | 23,863 |  |  |  | (4,305 | ) |  |  | 19,558 |  |  |  | 23,409 |  |  |  | (5,032 | ) |  |  | 18,377 |
Current trade and other receivables |  |  | 40,853 |  |  |  | (5,148 | ) |  |  | 35,705 |  |  |  | 40,286 |  |  |  | (5,732 | ) |  |  | 34,554 |
Other receivables, non-current |  |  | 2,275 |  |  |  | - |  |  |  | 2,275 |  |  |  | 1,912 |  |  |  | - |  |  |  | 1,912 |
Non-current receivables |  |  | 2,275 |  |  |  | - |  |  |  | 2,275 |  |  |  | 1,912 |  |  |  | - |  |  |  | 1,912 |
Total trade and other receivables |  |  | 488,798 |  |  |  | (21,668 | ) |  |  | 467,130 |  |  |  | 469,598 |  |  |  | (20,811 | ) |  |  | 448,787 |
Disclosure of financial assets that are either past due or impaired [text block] | As of December 31, 2018 the detail of the uncollateralized portfolio is as follows:
|  | 2018 |
|  | Total uncollateralized portfolio |
Past due segments |  | Number of customers non- renegotiated portfolio |  |  | Gross non- renegotiated portfolio ThUS$ |  |  | Number of customers renegotiated portfolio |  |  | Gross renegotiated portfolio ThUS$ |
Current |  |  | 1,429 |  |  |  | 403,805 |  |  |  | 136 |  |  |  | 668 |
1-30 days |  |  | 1,284 |  |  |  | 17,899 |  |  |  | 390 |  |  |  | 596 |
31-60 days |  |  | 940 |  |  |  | 8,063 |  |  |  | 154 |  |  |  | 118 |
61-90 days |  |  | 661 |  |  |  | 2,147 |  |  |  | 41 |  |  |  | 75 |
91-120 days |  |  | 498 |  |  |  | 1,210 |  |  |  | 27 |  |  |  | 47 |
121-150 days |  |  | 85 |  |  |  | 385 |  |  |  | 16 |  |  |  | 29 |
151-180 days |  |  | 49 |  |  |  | 177 |  |  |  | 21 |  |  |  | 176 |
181-210 days |  |  | 14 |  |  |  | 1,289 |  |  |  | 41 |  |  |  | 231 |
211-250 days |  |  | 12 |  |  |  | 107 |  |  |  | 101 |  |  |  | 242 |
>250 days |  |  | 1,756 |  |  |  | 7,258 |  |  |  | 305 |  |  |  | 1,148 |
Total |  |  | 6,728 |  |  |  | 442,340 |  |  |  | 1,232 |  |  |  | 3,330 |
As of December 31, 2017 the detail of the uncollateralized portfolio is as follows:
|  | 2017 |
|  | Total uncollateralized portfolio |
Past due segments |  | Number of customers non- renegotiated portfolio |  |  | Gross non- renegotiated portfolio ThUS$ |  |  | Number of customers renegotiated portfolio |  |  | Gross renegotiated portfolio ThUS$ |
Current |  |  | 3,039 |  |  |  | 344,802 |  |  |  | 23 |  |  |  | 706 |
1-30 days |  |  | 1,598 |  |  |  | 41,510 |  |  |  | 376 |  |  |  | 924 |
31-60 days |  |  | 824 |  |  |  | 8,813 |  |  |  | 130 |  |  |  | 272 |
61-90 days |  |  | 756 |  |  |  | 3,740 |  |  |  | 50 |  |  |  | 119 |
91-120 days |  |  | 548 |  |  |  | 7,367 |  |  |  | 22 |  |  |  | 54 |
121-150 days |  |  | 182 |  |  |  | 2,914 |  |  |  | 22 |  |  |  | 56 |
151-180 days |  |  | 443 |  |  |  | 5,602 |  |  |  | 45 |  |  |  | 75 |
181-210 days |  |  | 365 |  |  |  | 4,470 |  |  |  | 27 |  |  |  | 45 |
211-250 days |  |  | 682 |  |  |  | 112 |  |  |  | 29 |  |  |  | 138 |
>250 days |  |  | 1,837 |  |  |  | 3,050 |  |  |  | 350 |  |  |  | 2,631 |
Total |  |  | 10,274 |  |  |  | 422,380 |  |  |  | 1,074 |  |  |  | 5,020 |
Disclosure of detailed information about expected credit exposure of accounts receivable based on aging analysis [Table Text Block] |
|  | Accounts Receivable |
|  |  |  |  | 1 to 30 |  |  | 31 to 60 |  |  | 61 to 90 |  |  | Over 90 |  |  | Total |
2018 |  | Current |  |  | days |  |  | days |  |  | days |  |  | days |  |  | ThUS$ |
Expected Loss Rate |  |  | 0 | % |  |  | 0 | % |  |  | 87 | % |  |  | 100 | % |  |  | 100 | % |  |  |  |
Total Gross Book Value |  |  | 404,473 |  |  |  | 18,495 |  |  |  | 8,181 |  |  |  | 2,222 |  |  |  | 12,299 |  |  |  | 445,670 |
Deterioration Estimate |  |  | - |  |  |  | - |  |  |  | 7,147 |  |  |  | 2,222 |  |  |  | 12,299 |  |  |  | 21,668 |
|  | Accounts Receivable |
|  |  |  |  | 1 to 30 |  |  | 31 to 60 |  |  | 61 to 90 |  |  | Over 90 |  |  | Total |
2017 |  | Current |  |  | days |  |  | days |  |  | days |  |  | days |  |  | ThUS$ |
Expected Loss Rate |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 27 | % |  |  | 74 | % |  |  |  |
Total Gross Book Value |  |  | 345,508 |  |  |  | 42,434 |  |  |  | 9,085 |  |  |  | 3,859 |  |  |  | 26,514 |  |  |  | 427,400 |
Deterioration Estimate |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 1,061 |  |  |  | 19,750 |  |  |  | 20,811 |
Disclosure of detailed information about movement in provision of trade receivables [Table Text Block] | As of December 31, 2018 and December 31, 2017, movements in provisions are as follows :
|  | 12/31/2018 |  |  | 12/31/2017 |
|  | ThUS$ |  |  | ThUS$ |
Provision Impairment Accounts receivable at the beginning of the Period |  |  | 34,936 |  |  |  | 31,616 |
Adjustment to Starting Balance through New Model Calculations (IFRS 9) |  |  | 2,301 |  |  |  | - |
Increase / (decrease) impairment of accounts receivable for the period to profit and loss |  |  | (2,967 | ) |  |  | 8,037 |
Use of Provision Applied to Accounts Receivable |  |  | (1,636 | ) |  |  | (4,717 | )
Impairment of Accounts Receivable Provision at the Star of the Period (1)+(2) |  |  | 32,634 |  |  |  | 34,936 |
(1) Trade and Other Receivables Provision |  |  | 21,668 |  |  |  | 20,811 |
(2) Current Related Party Receivables Provision |  |  | 10,966 |  |  |  | 14,125 |
Recovery of Insurance |  |  | 827 |  |  |  | 126 |
Impairment of Accounts Receivable Provision |  |  | 32,634 |  |  |  | 34,936 |
Renegotiated Provision |  |  | 2,056 |  |  |  | 2,580 |
Non-renegotiated Provision |  |  | 30,578 |  |  |  | 32,356 |
Disclosure of allowance for credit losses [text block] |
Hedging assets with underlying debt |  | Derivative instruments (Fwds) |  |  | Effect on profit or loss for the period Derivative instruments |  |  | Hedging reserve in gross equity |  |  | Deferred tax hedging reserve in equity |  |  | Hedging reserve in equity |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
December 31, 2018 |  |  | 13,516 |  |  |  | (3,004 | ) |  |  | 8,256 |  |  |  | - |  |  |  | 8,256 |
Hedging liabilities with underlying debt |  | Derivative instruments (CCS) |  |  | Effect on profit or loss for the period Derivative instruments |  |  | Hedging reserve in gross equity |  |  | Deferred tax hedging reserve in equity |  |  | Hedging reserve in equity |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
December 31, 2018 |  |  | (17,318 | ) |  |  | 16,636 |  |  |  | 1,541 |  |  |  | - |  |  |  | 1,541 |
Hedging assets with underlying investments |  | Derivative instruments (CCS) |  |  | Effect on profit or loss for the period Derivative instruments |  |  | Hedging reserve in gross equity |  |  | Deferred tax hedging reserve in equity |  |  | Hedging reserve in equity |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
December 31, 2018 |  |  | 18,146 |  |  |  | 19,911 |  |  |  | (1,765 | ) |  |  | - |  |  |  | (1,765 | )
Hedging assets with underlying debt |  | Derivative instruments (Fwds) |  |  | Effect on profit or loss for the period Derivative instruments |  |  | Hedging reserve in gross equity |  |  | Deferred tax hedging reserve in equity |  |  | Hedging reserve in equity |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
December 31, 2017 |  |  | 8,910 |  |  |  | 5,641 |  |  |  | 2,170 |  |  |  | - |  |  |  | 2,170 |
Hedging liabilities with underlying debt |  | Derivative instruments (CCS) |  |  | Effect on profit or loss for the period Derivative instruments |  |  | Hedging reserve in gross equity |  |  | Deferred tax hedging reserve in equity |  |  | Hedging reserve in equity |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
December 31, 2017 |  |  | 17,128 |  |  |  | 33,696 |  |  |  | 41 |  |  |  | - |  |  |  | 41 |
Hedging liabilities with underlying investments |  | Derivative instruments (CCS) |  |  | Effect on profit or loss for the period Derivative instruments |  |  | Hedging reserve in gross equity |  |  | Deferred tax hedging reserve in equity |  |  | Hedging reserve in equity |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
December 31, 2017 |  |  | (20,159 | ) |  |  | (20,256 | ) |  |  | 97 |  |  |  | - |  |  |  | 97 |
Disclosure of maturity analysis for derivative financial liabilities [text block] | Derivative contract maturities are detailed as follows:
Series |  | Contract amount |  |  | Currency |  |  | Maturity date |
|  | ThUS$ |  |  |  |  |  |  |
H |  |  | 155,214 |  |  |  | UF |  |  |  | 01/05/2023 |
O |  |  | 58,748 |  |  |  | UF |  |  |  | 02/01/2022 |
P |  |  | 134,228 |  |  |  | UF |  |  |  | 01/15/2028 |
Disclosure of financial liabilities [text block] | As of December 31, 2018 and December 31, 2017, the detail is as follows:
|  |  |  |  | 31/12/2018 |  |  |  |  |  |  |  |  | 31/12/2017 |  |  |  |
|  | Current |  |  | Non-current |  |  | Total |  |  | Current |  |  | Non-current |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Liabilities at amortized cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- Bank borrowings |  |  | 300 |  |  |  | 68,870 |  |  |  | 69,170 |  |  |  | 163,568 |  |  |  | - |  |  |  | 163,568 |
- Obligations with the public (bonds) |  |  | 15,145 |  |  |  | 1,249,479 |  |  |  | 1,264,624 |  |  |  | 13,494 |  |  |  | 1,031,507 |  |  |  | 1,045,001 |
Derivative financial instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- For hedging |  |  | 5,285 |  |  |  | 12,033 |  |  |  | 17,318 |  |  |  | 37,287 |  |  |  | - |  |  |  | 37,287 |
- At fair value through profit or loss |  |  | 2,855 |  |  |  | - |  |  |  | 2,855 |  |  |  | 5,979 |  |  |  | - |  |  |  | 5,979 |
Total |  |  | 23,585 |  |  |  | 1,330,382 |  |  |  | 1,353,967 |  |  |  | 220,328 |  |  |  | 1,031,507 |  |  |  | 1,251,835 |
Disclosure of detailed information about borrowings [text block] | As of December 31, 2018 and December 31, 2017, the detail is as follows:
|  | 12/31/2018 |  |  | 12/31/2017 |
|  | ThUS$ |  |  | ThUS$ |
Long-term bank borrowings |  |  | 68,870 |  |  |  | - |
Short-term bank borrowings |  |  | - |  |  |  | 163,568 |
Current portion of long-term loans |  |  | 300 |  |  |  | - |
Short-term borrowings and current portion of long-term borrowings |  |  | 69,170 |  |  |  | 163,568 |
Total bank borrowings |  |  | 69,170 |  |  |  | 163,568 |
Disclosure of detailed information about short term borrowings [Text Block] | As of December 31, 2018 and December 31, 2017, the detail of this caption is as follows:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Currency or |  |  |  |  |  |  |  |  |  |  |  | Nominal |
| Debtor |  |  |  |  |  |  |  |  | Creditor |  |  |  |  |  | adjustment |  |  |  |  |  |  |  |  | Effective |  |  | rate |
Tax ID No | Company |  |  | Country |  |  | Tax ID No, |  |  | Financial institution |  |  | Country |  |  | index |  |  | Repayment |  |  | Vencimiento |  |  | rate |  |  |  |
93,007,000-9 |  | SQM.S.A. |  |  |  | Chile |  |  |  | 0-E |  |  |  | Scotiabank Cayman |  |  |  | USA |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 05/29/2023 |  |  |  | 3.60 | % |  |  | 3.98 | %
Foreign |  | Nitratos Naturais do Chile Lim |  |  |  | Brazil |  |  |  | 0-E |  |  |  | Banco ITAU Brasil |  |  |  | Brasil |  |  |  | BRL |  |  |  | Upon maturity |  |  |  | 01/31/2019 |  |  |  | 5.17 | % |  |  | 5.17 | %
Foreign |  | SQM Brasil Limitada |  |  |  | Brazil |  |  |  | 0-E |  |  |  | Banco ITAU Brasil |  |  |  | Brasil |  |  |  | BRL |  |  |  | Upon maturity |  |  |  | 01/31/2019 |  |  |  | 5.5 | % |  |  | 5.5 | %
|  |  |  |  | 12/31/2018 |  |  | 12/31/2018 |
Debtor |  | Creditor |  |  | Nominal amounts |  |  | Current amounts |
Company |  | Financial institution |  |  | Up to 90 days ThUS$ |  |  | 90 days to 1 year ThUS$ |  |  | Total ThUS$ |  |  | Up to 90 days ThUS$ |  |  | 90 days to 1 year ThUS$ |  |  | Subtotal ThUS$ |  |  | Borrowing costs ThUS$ |  |  | Total ThUS$ |
SQM S.A. |  |  | Scotiabank Cayman |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 248 |  |  |  | 248 |  |  |  | - |  |  |  | 248 |
Nitratos Naturais do Chile Lim |  |  | Banco ITAU Brasil |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 11 |  |  |  | - |  |  |  | 11 |  |  |  | - |  |  |  | 11 |
SQM Brasil Limitada |  |  | Banco ITAU Brasil |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 41 |  |  |  | - |  |  |  | 41 |  |  |  | - |  |  |  | 41 |
Total |  |  |  |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 52 |  |  |  | 248 |  |  |  | 300 |  |  |  | - |  |  |  | 300 |
Debtor |  |  | Creditor |  |  | Currency or Adjustment index |  |  | Repayment |  |  | Effective rate |  |  | Nominal rate |
Tax ID No |  | Company |  |  | Country |  |  | Tax ID No, |  |  | Financial institution |  |  | Country |  |  |  |  |  |  |  |  |  |  |  |  |
93,007,000-9 |  |  | SQM.S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Scotiabank Sud Americano |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.63 | % |  |  | 1.63 | %
93,007,000-9 |  |  | SQM.S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Scotiabank Sud Americano |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.73 | % |  |  | 1.73 | %
93,007,000-9 |  |  | SQM.S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Scotiabank Sud Americano |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.73 | % |  |  | 1.73 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Banco Estado |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.64 | % |  |  | 1.64 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Banco Estado |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.67 | % |  |  | 1.67 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Banco Estado |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.67 | % |  |  | 1.67 | %
79,626,800-K |  |  | SQM Salar S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Banco Estado |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.91 | % |  |  | 1.91 | %
79,626,800-K |  |  | SQM Salar S.A. |  |  |  | CHILE |  |  |  | 97,018,000-1 |  |  |  | Scotiabank Sud Americano |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.94 | % |  |  | 1.94 | %
79,947,100-0 |  |  | SQM Industrial S.A. |  |  |  | CHILE |  |  |  | 97,030,000-7 |  |  |  | Banco Estado |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.74 | % |  |  | 1.74 | %
79,947,100-0 |  |  | SQM Industrial S.A. |  |  |  | CHILE |  |  |  | 97,030,000-7 |  |  |  | Banco Estado |  |  |  | CHILE |  |  |  | US$ |  |  |  | Upon maturity |  |  |  | 1.65 | % |  |  | 1.65 | %
|  |  |  |  | 12/31/2017 |  |  | 12/31/2017 |
Debtor |  | Creditor |  |  | Nominal amounts |  |  | Current amounts |
Company |  | Financial institution |  |  | Up to 90 days ThUS$ |  |  | 90 days to 1 year ThUS$ |  |  | Total ThUS$ |  |  | Up to 90 days ThUS$ |  |  | 90 days to 1 year ThUS$ |  |  | Subtotal ThUS$ |  |  | Borrowing costs ThUS$ |  |  | Total ThUS$ |
SQM S.A. |  |  | Scotiabank Sud Americano |  |  |  | - |  |  |  | 20,000 |  |  |  | 20,000 |  |  |  | - |  |  |  | 20,137 |  |  |  | 20,137 |  |  |  | - |  |  |  | 20,137 |
SQM S.A. |  |  | Scotiabank Sud Americano |  |  |  | - |  |  |  | 17,000 |  |  |  | 17,000 |  |  |  | - |  |  |  | 17,140 |  |  |  | 17,140 |  |  |  | - |  |  |  | 17,140 |
SQM S.A. |  |  | Scotiabank Sud Americano |  |  |  | - |  |  |  | 3,000 |  |  |  | 3,000 |  |  |  | - |  |  |  | 3,025 |  |  |  | 3,025 |  |  |  | - |  |  |  | 3,025 |
SQM S.A. |  |  | Banco Estado |  |  |  | 15,000 |  |  |  | - |  |  |  | 15,000 |  |  |  | 15,011 |  |  |  | - |  |  |  | 15,011 |  |  |  | - |  |  |  | 15,011 |
SQM S.A. |  |  | Banco Estado |  |  |  | 15,000 |  |  |  | - |  |  |  | 15,000 |  |  |  | 15,011 |  |  |  | - |  |  |  | 15,011 |  |  |  | - |  |  |  | 15,011 |
SQM S.A. |  |  | Banco Estado |  |  |  | 15,000 |  |  |  | - |  |  |  | 15,000 |  |  |  | 15,011 |  |  |  | - |  |  |  | 15,011 |  |  |  | - |  |  |  | 15,011 |
SQM Salar S.A. |  |  | Banco Estado |  |  |  | - |  |  |  | 20,000 |  |  |  | 20,000 |  |  |  | - |  |  |  | 20,071 |  |  |  | 20,071 |  |  |  | - |  |  |  | 20,071 |
SQM Salar S.A. |  |  | Scotiabank Sud Americano |  |  |  | - |  |  |  | 20,000 |  |  |  | 20,000 |  |  |  | - |  |  |  | 20,072 |  |  |  | 20,072 |  |  |  | - |  |  |  | 20,072 |
SQM Industrial S.A. |  |  | Banco Estado |  |  |  | - |  |  |  | 20,000 |  |  |  | 20,000 |  |  |  | - |  |  |  | 20,064 |  |  |  | 20,064 |  |  |  | - |  |  |  | 20,064 |
SQM Industrial S.A. |  |  | Banco Estado |  |  |  | 18,000 |  |  |  | - |  |  |  | 18,000 |  |  |  | 18,026 |  |  |  | - |  |  |  | 18,026 |  |  |  | - |  |  |  | 18,026 |
Total |  |  |  |  |  |  | 63,000 |  |  |  | 100,000 |  |  |  | 163,000 |  |  |  | 63,059 |  |  |  | 100,509 |  |  |  | 163,568 |  |  |  | - |  |  |  | 163,568 |
Disclosure of detailed information about current maturities of unsecured obligations [Text Block] | As of December 31, 2018 and December 31, 2017, the detail of current unsecured interest-bearing obligations is composed of promissory notes and bonds, as follows: Bonds
Tax ID No. |  | Company |  |  | Country |  |  | Number of registration or ID of the instrument |  |  | Series |  |  | Maturity date |  |  | Currency or adjustment index |  |  | Payment of interest |  |  | Repayment |  |  | Effective rate |  |  | Nominal rate |
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | MMUS$250 |  |  |  | 4/21/2019 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 0.95 | % |  |  | 5,50 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | MMUS$250 |  |  |  | 1/28/2019 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 2,75 | % |  |  | 4,38 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | MMUS$300 |  |  |  | 4/03/2019 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 1,77 | % |  |  | 3,63 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 564 |  |  |  | H |  |  |  | 1/05/2019 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Semiannual |  |  |  | 1,90 | % |  |  | 4,90 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 699 |  |  |  | O |  |  |  | 2/01/2019 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 2,60 | % |  |  | 3,80 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 563 |  |  |  | P |  |  |  | 1/15/2019 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3,07 | % |  |  | 3,25 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | Chile |  |  |  | 700 |  |  |  | Q |  |  |  | 6/01/2019 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3,34 | % |  |  | 3,45 | %
|  |  |  |  |  |  |  | 12/31/2018 |  |  |  |  |  |  |  |  | 12/31/2018 |  |  |  |
|  |  |  |  |  |  |  | Nominal maturities |  |  |  |  |  |  |  |  | Current maturities |  |  |  |
Company |  | Country |  |  | Series |  |  | Up to 90 days |  |  | 91 days to 1 year |  |  | Total |  |  | Up to 90 days |  |  | 91 days to 1 year |  |  | Subtotal |  |  | Bond issuance costs |  |  | Total |
|  |  |  |  |  |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM S.A. |  |  | CHILE |  |  |  | ThUS$250,000 |  |  |  | 2,674 |  |  |  | - |  |  |  | 2,674 |  |  |  | 2,674 |  |  |  | - |  |  |  | 2,674 |  |  |  | (386 | ) |  |  | 2,288 |
SQM S.A. |  |  | CHILE |  |  |  | ThUS$250,000 |  |  |  | - |  |  |  | 4,648 |  |  |  | 4,648 |  |  |  | - |  |  |  | 4,648 |  |  |  | 4,648 |  |  |  | (433 | ) |  |  | 4,215 |
SQM S.A. |  |  | CHILE |  |  |  | ThUS$300,000 |  |  |  | 2,658 |  |  |  | - |  |  |  | 2,658 |  |  |  | 2,658 |  |  |  | - |  |  |  | 2,658 |  |  |  | (614 | ) |  |  | 2,044 |
SQM S.A. |  |  | CHILE |  |  |  | H |  |  |  | - |  |  |  | 3,756 |  |  |  | 3,756 |  |  |  | - |  |  |  | 3,756 |  |  |  | 3,756 |  |  |  | (139 | ) |  |  | 3,617 |
SQM S.A. |  |  | CHILE |  |  |  | O |  |  |  | - |  |  |  | 934 |  |  |  | 934 |  |  |  | - |  |  |  | 934 |  |  |  | 934 |  |  |  | (67 | ) |  |  | 867 |
SQM S.A. |  |  | CHILE |  |  |  | P |  |  |  | - |  |  |  | 1,784 |  |  |  | 1,784 |  |  |  | - |  |  |  | 1,784 |  |  |  | 1,784 |  |  |  | (12 | ) |  |  | 1,772 |
SQM S.A. |  |  | CHILE |  |  |  | Q |  |  |  | 342 |  |  |  | - |  |  |  | 342 |  |  |  | 342 |  |  |  | - |  |  |  | 342 |  |  |  | - |  |  |  | 342 |
Total |  |  |  |  |  |  |  |  |  |  | 5,674 |  |  |  | 11,122 |  |  |  | 16,796 |  |  |  | 5,674 |  |  |  | 11,122 |  |  |  | 16,796 |  |  |  | (1,651 | ) |  |  | 15,145 |
Effective rates of bonds in Chilean pesos and UF are expressed and calculated in U.S. dollars based on the flows agreed in Cross Currency Swap Agreements.
Tax ID No. |  | Company |  |  | Country |  |  | Number of registration or ID of the instrument |  |  | Series |  |  | Maturity date |  |  | Currency or adjustment index |  |  | Payment of interest |  |  | Repayment |  |  | Effective rate |  |  | Nominal rate |
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | ThUS$250,000 |  |  |  | 04/21/2018 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 1.47 | % |  |  | 5.50 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | ThUS$250,000 |  |  |  | 01/28/2018 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3.17 | % |  |  | 4.38 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | ThUS$300,000 |  |  |  | 04/03/2018 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 2.12 | % |  |  | 3.63 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 564 |  |  |  | H |  |  |  | 01/05/2018 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Semiannual |  |  |  | 2.18 | % |  |  | 4.90 | %
93,007,000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 699 |  |  |  | O |  |  |  | 02/01/2018 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 2.80 | % |  |  | 3.80 | %
|  |  |  |  |  |  |  | 12/31/2017 |  |  | 12/31/2017 |
|  |  |  |  |  |  |  | Nominal maturities |  |  | Current maturities |
Company |  | Country |  |  | Series |  |  | Up to 90 days |  |  | 91 days to 1 year |  |  | Total |  |  | Up to 90 days |  |  | 91 days to 1 year |  |  | Subtotal |  |  | Bond issuance costs |  |  | Total |
|  |  |  |  |  |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM S.A. |  |  | CHILE |  |  |  | ThUS$250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 2,674 |  |  |  | 2,674 |  |  |  | (385 | ) |  |  | 2,289 |
SQM S.A. |  |  | CHILE |  |  |  | ThUS$250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 4,648 |  |  |  | - |  |  |  | 4,648 |  |  |  | (433 | ) |  |  | 4,215 |
SQM S.A. |  |  | CHILE |  |  |  | ThUS$300,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 2,658 |  |  |  | 2,658 |  |  |  | (615 | ) |  |  | 2,043 |
SQM S.A. |  |  | CHILE |  |  |  | H |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 4,127 |  |  |  | - |  |  |  | 4,127 |  |  |  | (139 | ) |  |  | 3,988 |
SQM S.A. |  |  | CHILE |  |  |  | O |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 1,026 |  |  |  | - |  |  |  | 1,026 |  |  |  | (67 | ) |  |  | 959 |
Total |  |  |  |  |  |  |  |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 9,801 |  |  |  | 5,332 |  |  |  | 15,133 |  |  |  | (1,639 | ) |  |  | 13,494 |
Disclosure of detailed information about non current maturities of unsecured obligations [Text Block] | The following table shows the details of bank loans that accrue non-current interest as of December 31, 2018. As of December 31, there were no loans:
Debtor |  |  | Creditor |  |  | Currency or adjustment index |  |  | Type of amortization |  |  | Effective rate |  |  | Nominal rate |
Chilean Tax ID |  |  | Company |  |  | Country |  |  | Chilean Tax ID |  |  | Financial institution |  |  | Country |  |  |  |  |  |  |  |  |  |  |  |  |
| 93,007,000-9 |  |  |  | SQM.S.A. |  |  |  | Chile |  |  |  | 0-E |  |  |  | Scotiabank Cayman |  |  |  | USA |  |  |  | USD |  |  |  | Maturity |  |  |  | 3.98% |  |  |  | 3.98% |
|  |  |  |  | 12/31/2018 |  |  | 12/31/2018 |
Creditor |  | Creditor |  |  | Nominal non-current maturities |  |  | Non-current maturities |
Company |  | Financial institution |  |  | Between 1 and 2 ThUS$ |  |  | Between 2 and 3 ThUS$ |  |  | Between 3 and 4 ThUS$ |  |  | Total ThUS$ |  |  | Between 1 and 2 ThUS$ |  |  | Between 2 and 3 ThUS$ |  |  | Between 3 and 4 ThUS$ |  |  | Subtotal ThUS$ |  |  | Costs of obtaining loans ThUS$ |  |  | Total ThUS$ |
SQM S.A. |  |  | Scotiabank Cayman |  |  |  |  |  |  |  | - |  |  |  | 70,000 |  |  |  | 70,000 |  |  |  | - |  |  |  | - |  |  |  | 70,000 |  |  |  | 70,000 |  |  |  | (1,130 | ) |  |  | 68,870 |
Total |  |  |  |  |  |  | - |  |  |  | - |  |  |  | 70,000 |  |  |  | 70,000 |  |  |  | - |  |  |  | - |  |  |  | 70,000 |  |  |  | 70,000 |  |  |  | (1,130 | ) |  |  | 68,870 |
The breakdown of non-current unsecured interest-bearing bonds as of December 31, 2018 and December 31, 2017 is detailed as follows:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Periodicity |  |  |  |  |  |  |
Tax ID No. |  | Company |  |  | Country |  |  | Number of registration or ID of the instrument |  |  | Series |  |  | Maturity date |  |  | Currency or adjustment index |  |  | Payment of interest |  |  | Repayment |  |  | Effective rate |  |  | Nominal rate |
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | ThUS$250,000 |  |  |  | 04/21/2020 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 5.50 | % |  |  | 5.50 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | ThUS$250,000 |  |  |  | 01/28/2025 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 4.38 | % |  |  | 4.38 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | ThUS$300,000 |  |  |  | 04/03/2023 |  |  |  | US$ |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3.63 | % |  |  | 3.63 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 564 |  |  |  | H |  |  |  | 01/05/2030 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Semiannual |  |  |  | 4.90 | % |  |  | 4.90 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 699 |  |  |  | O |  |  |  | 02/01/2033 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3.80 | % |  |  | 5.50 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 563 |  |  |  | P |  |  |  | 01/15/2028 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3.25 | % |  |  | 3.25 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 700 |  |  |  | Q |  |  |  | 06/01/2038 |  |  |  | UF |  |  |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3.45 | % |  |  | 3.45 | %
Nominal non-current maturities 12/31/2018 |  |  | Non-current maturities 12/31/2018 |
Series |  | Over 1 year to 2 |  |  | Over 2 years to 3 |  |  | Over 3 Years to 4 |  |  | Over 4 Years to 5 |  |  | Over 5 years |  |  | Total |  |  | Over 1 year to 2 |  |  | Over 2 years to 3 |  |  | Over 3 Years to 4 |  |  | Over 4 Years to 5 |  |  | Over 5 years |  |  | Subtotal |  |  | Bond issuance costs |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
MUS$250 |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | (131 | ) |  |  | 249,869 |
MUS$250 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | 250,000 |  |  |  | (2,202 | ) |  |  | 247,798 |
MUS$300 |  |  | - |  |  |  | - |  |  |  | 300,000 |  |  |  | - |  |  |  | - |  |  |  | 300,000 |  |  |  | - |  |  |  | - |  |  |  | 300,000 |  |  |  | - |  |  |  | - |  |  |  | 300,000 |  |  |  | (2,006 | ) |  |  | 297,994 |
H |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 158,704 |  |  |  | 158,704 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 158,704 |  |  |  | 158,704 |  |  |  | (1,392 | ) |  |  | 157,312 |
O |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 59,514 |  |  |  | 59,514 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 59,514 |  |  |  | 59,514 |  |  |  | (878 | ) |  |  | 58,636 |
P |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 119,028 |  |  |  | 119,028 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 119,028 |  |  |  | 119,028 |  |  |  | (101 | ) |  |  | 118,927 |
Q |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 119,028 |  |  |  | 119,028 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 119,028 |  |  |  | 119,028 |  |  |  | (85 | ) |  |  | 118,943 |
Total |  |  | 250,000 |  |  |  | - |  |  |  | 300,000 |  |  |  | - |  |  |  | 706,274 |  |  |  | 1,256,274 |  |  |  | 250,000 |  |  |  | - |  |  |  | 300,000 |  |  |  | - |  |  |  | 706,274 |  |  |  | 1,256,274 |  |  |  | (6,795 | ) |  |  | 1,249,479 |
As of December 31, 2018 and December 31, 2017, the breakdown of unsecured interest-bearing liabilities, non-current is as follows:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Periodicity |  |  |  |  |  |  |
Tax ID No, |  | Company |  |  | Country |  |  | Number of registration or ID of the instrument |  |  | Series |  |  | Maturity date |  | Currency or adjustment index | Payment of interest |  |  | Repayment |  |  | Effective rate |  |  | Nominal rate |
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | MMUS$250 |  |  |  | 04/21/2020 |  | US$ |  | Semiannual |  |  |  | Upon maturity |  |  |  | 5.50 | % |  |  | 5.50 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | MMUS$250 |  |  |  | 01/28/2025 |  | US$ |  | Semiannual |  |  |  | Upon maturity |  |  |  | 4.38 | % |  |  | 4.38 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | - |  |  |  | MMUS$300 |  |  |  | 04/03/2023 |  | US$ |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3.63 | % |  |  | 3.63 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 564 |  |  |  | H |  |  |  | 01/05/2030 |  | UF |  | Semiannual |  |  |  | Semiannual |  |  |  | 4.90 | % |  |  | 6.01 | %
93.007.000-9 |  |  | SQM S.A. |  |  |  | CHILE |  |  |  | 699 |  |  |  | O |  |  |  | 01/02/2033 |  | UF |  | Semiannual |  |  |  | Upon maturity |  |  |  | 3.80 | % |  |  | 3.80 | %
Nominal non-current maturities 12/31/2017 |  |  | Non-current maturities 12/31/2017 |
Series |  | Over 1 year to 2 |  |  | Over 2 years to 3 |  |  | Over 3 Years to 4 |  |  | Over 4 Years to 5 |  |  | Over 5 years |  |  | Total |  |  | Over 1 year to 2 |  |  | Over 2 years to 3 |  |  | Over 3 Years to 4 |  |  | Over 4 Years to 5 |  |  | Over 5 years |  |  | Subtotal |  |  | Bond issuance costs |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
MUS$250 |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | (517 | ) |  |  | 249,483 |
MUS$250 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 250,000 |  |  |  | 250,000 |  |  |  | (2,636 | ) |  |  | 247,364 |
MUS$300 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 300,000 |  |  |  | 300,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 300,000 |  |  |  | 300,000 |  |  |  | (2,618 | ) |  |  | 297,382 |
H |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 174,367 |  |  |  | 174,367 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 174,367 |  |  |  | 174,367 |  |  |  | (1,532 | ) |  |  | 172,835 |
O |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 65,388 |  |  |  | 65,388 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 65,388 |  |  |  | 65,388 |  |  |  | (945 | ) |  |  | 64,443 |
Total |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 789,755 |  |  |  | 1,039,755 |  |  |  | 250,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 789,755 |  |  |  | 1,039,755 |  |  |  | (8,248 | ) |  |  | 1,031,507 |
Disclosure of information about Series C bonds [Text Block] | As of December 31, 2018, and December 31, 2017, the Company has made the following payments with a charge to the Series C bonds:
Payments made |  | 12/31/2018 |  |  | 12/31/2017 |  |  | 12/31/2016 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Principal payment |  |  | - |  |  |  | 57,290 |  |  |  | 5,729 |
Interest payment |  |  | - |  |  |  | 1,515 |  |  |  | 3,275 |
Disclosure of information about issue of series H bonds [Text Block] | As of December 31, 2018 , and December 31, 2017 , the Company has made the following payments with a charge to the Series H bonds:
Payments made |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |  |  | 12/31/2016 ThUS$ |
Payments of interest, Series H bonds |  |  | 8,325 |  |  |  | 7,691 |  |  |  | 7,289 |
Disclosure of information about second issue of single series bonds [Text Block] | As of December 31, 2018, and December 31, 2017, the detail of payments charged to the line of single series bonds, second issue is as follows:
Payments made |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |  |  | 12/31/2016 ThUS$ |
Interest payment |  |  | 13,750 |  |  |  | 13,750 |  |  |  | 13,750 |
Disclosure of information about issue of series M and O bonds [Text Block] | On April 4, 2012, the Company placed two bond series in the domestic market. Series M for UF 1,000,000 (ThUS$46,601) was placed at a term of 5 years with a single payment at the maturity of the term and an annual interest rate of 3.3%. On February 1, 2017, the M bond was canceled .
Payments made |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |  |  | 12/31/2016 ThUS$ |
Principal payment Series M bonds |  |  | - |  |  |  | 40,726 |  |  |  | - |
Payment of interest, Series M bonds |  |  | - |  |  |  | 667 |  |  |  | 1,242 |
As of December 31, 2018, and December 31, 2017the Company has made the following payments with a charge to the Series O bonds:
Payments made |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |  |  | 12/31/2017 ThUS$ |
Payment of interest, Series O bonds |  |  | 2,457 |  |  |  | 2,301 |  |  |  | 2,142 |
Disclosure of information about third issue of single series bonds [Text Block] | As of December 31, 2018, and December 31, 2017, the following payments have been made with a debit to the line of single-series bonds, third issue:
Payments made |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |  |  | 12/31/2016 ThUS$ |
Payment of interest |  |  | 10,875 |  |  |  | 10,875 |  |  |  | 10,875 |
Disclosure of information about fourth issue of single series bonds [Text Block] | As of December 31, 2018, and December 31, 2017, the following payments have been made.
Payments made |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |  |  | 12/31/2016 ThUS$ |
Payment of interest |  |  | 10,938 |  |  |  | 10,938 |  |  |  | 10,938 |
Disclosure of information about issue of series P bonds [Table Text Block] | The Bonds (i) mature on January 15, 2028; (ii) will accrue on the unpaid principal, expressed in UF, at an annual interest rate of 3.25% from January 15, 2018; and (iii) can be called early by the Company as of the date of placement, that is, as of April 5, 2018.
Payments made |  | 12/31/2018 ThUS$ |
Payment of interest |  |  | 2,027 |
Disclosure of information about issue of series Q bonds [Table Text Block] |
Payments made |  | 12/31/2018 ThUS$ |
Payment of interest |  |  | 319 |
Disclosure of trade and other payables [text block] | 13.5 Trade and other payables
|  | 12/31/2018 |  |  | 12/31/2017 |
|  | Current |  |  | Non-current |  |  | Total |  |  | Current |  |  | Non-current |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Accounts payable |  |  | 163,373 |  |  |  | - |  |  |  | 163,373 |  |  |  | 195,858 |  |  |  | - |  |  |  | 195,858 |
Other accounts payable |  |  | 378 |  |  |  | - |  |  |  | 378 |  |  |  | 422 |  |  |  | - |  |  |  | 422 |
Total |  |  | 163,751 |  |  |  | - |  |  |  | 163,751 |  |  |  | 196,280 |  |  |  | - |  |  |  | 196,280 |
Disclosure of detailed information about the current and past due suppliers [Text Block] | As of December 31, 2018 and December 31, 2017, the balance of current and past due suppliers is as follows: Suppliers current on all payments
|  | Amounts according to payment periods as of 12/31/2018 |  |  |  |
|  | Up to 30 |  |  | 31 - 60 |  |  | 61 - 90 |  |  | 91 - 120 |  |  | 121 - 365 |  |  | 366 and more |  |  | Total |
Type of Supplier |  | Days |  |  | days |  |  | Days |  |  | days |  |  | days |  |  | days |  |  | ThUS$ |
Goods |  |  | 48,969 |  |  |  | 1,919 |  |  |  | 912 |  |  |  | 25 |  |  |  | 278 |  |  |  | 2 |  |  |  | 52,105 |
Services |  |  | 37,376 |  |  |  | 314 |  |  |  | 157 |  |  |  | 107 |  |  |  | 19 |  |  |  | 35 |  |  |  | 38,008 |
Others |  |  | 54,978 |  |  |  | 161 |  |  |  | 20 |  |  |  | - |  |  |  | - |  |  |  | 3 |  |  |  | 55,162 |
Total |  |  | 141,323 |  |  |  | 2,394 |  |  |  | 1,089 |  |  |  | 132 |  |  |  | 297 |  |  |  | 40 |  |  |  | 145,275 |
|  | Amounts according to payment periods as of 12/31/2017 |
|  | Up to 30 |  |  | 31 - 60 |  |  | 61 - 90 |  |  | 91 - 120 |  |  | 121 - 365 |  |  | 366 and more |  |  | Total |
Type of Supplier |  | days |  |  | days |  |  | days |  |  | days |  |  | days |  |  | days |  |  | ThUS$ |
Goods |  |  | 72,567 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 72,567 |
Services |  |  | 36,855 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3 |  |  |  | 36,858 |
Others |  |  | 45,104 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 45,104 |
Total |  |  | 154,526 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3 |  |  |  | 154,529 |
Suppliers past due on payments
|  | Amounts according to payment periods as of 12/31/2018 |  |  |  |
|  | Up to 30 |  |  | 31 - 60 |  |  | 61 - 90 |  |  | 91 - 120 |  |  | 121 - 365 |  |  | 366 and more |  |  | Total |
Type of Supplier |  | days |  |  | days |  |  | days |  |  | days |  |  | days |  |  | days |  |  | ThUS$ |
Goods |  |  | 1,533 |  |  |  | 209 |  |  |  | 210 |  |  |  | 255 |  |  |  | 175 |  |  |  | 287 |  |  |  | 2,669 |
Services |  |  | 12,229 |  |  |  | 838 |  |  |  | 109 |  |  |  | 111 |  |  |  | 309 |  |  |  | 141 |  |  |  | 13,737 |
Others |  |  | 1,039 |  |  |  | 385 |  |  |  | 92 |  |  |  | 6 |  |  |  | 60 |  |  |  | 110 |  |  |  | 1,692 |
Total |  |  | 14,801 |  |  |  | 1,432 |  |  |  | 411 |  |  |  | 372 |  |  |  | 544 |  |  |  | 538 |  |  |  | 18,098 |
|  | Amounts according to payment periods as of 12/31/2017 |  |  |  |
|  | Up to 30 |  |  | 31 - 60 |  |  | 61 - 90 |  |  | 91 - 120 |  |  | 121 - 365 |  |  | 366 and more |  |  | Total |
Type of Supplier |  | days |  |  | days |  |  | days |  |  | days |  |  | days |  |  | days |  |  | ThUS$ |
Goods |  |  | 16,693 |  |  |  | 448 |  |  |  | 3,965 |  |  |  | 1,784 |  |  |  | 1,602 |  |  |  | 42 |  |  |  | 24,534 |
Services |  |  | 11,704 |  |  |  | 1,913 |  |  |  | 547 |  |  |  | 681 |  |  |  | 1,325 |  |  |  | 17 |  |  |  | 16,187 |
Others |  |  | 479 |  |  |  | 9 |  |  |  | 13 |  |  |  | 20 |  |  |  | 46 |  |  |  | 41 |  |  |  | 608 |
Total |  |  | 28,876 |  |  |  | 2,370 |  |  |  | 4,525 |  |  |  | 2,485 |  |  |  | 2,973 |  |  |  | 100 |  |  |  | 41,329 |
Disclosure of information about derivative instruments measured at fair value through profit or loss [Text Block] | The detail of this type of instrument is as follows:
Financial liabilities at fair value with an impact on profit or loss |  | 12/31/2018 |  |  | Effect on profit or loss as of 12/31/2018 |  |  | 12/31/2017 |  |  | Effect on profit or loss as of 12/31/2017 |  |  | 12/31/2016 |  |  | Effect on profit or loss as of 12/31/2016 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Current |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative instruments (IRS) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (229 | )
Total |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (229 | )
Disclosure of detailed information about categories of financial assets [Text Block] |
| a) | Financial Assets
|  |  |  |  | 12/31/2018 |  |  |  |  |  |  |  |  |  |  |  | 12/31/2017 |
|  | Current |  |  | Non-current |  |  | Total |  |  | Current |  |  | Non-current |  |  | Total |
Description of financial assets |  | Amount ThUS$ |  |  | Amount ThUS$ |  |  | Amount ThUS$ |  |  | Amount ThUS$ |  |  | Amount ThUS$ |  |  | Amount ThUS$ |
Cash and cash equivalent |  |  | 556,066 |  |  |  | - |  |  |  | 556,066 |  |  |  | 630,438 |  |  |  | - |  |  |  | 630,438 |
Trade receivables due from related parties |  |  | 44,554 |  |  |  | - |  |  |  | 44,554 |  |  |  | 59,132 |  |  |  | - |  |  |  | 59,132 |
Financial assets measured at amortized cost |  |  | 291,790 |  |  |  | 75 |  |  |  | 291,865 |  |  |  | 360,941 |  |  |  | 45 |  |  |  | 360,986 |
Loans and receivables measured at amortized cost |  |  | 464,855 |  |  |  | 2,275 |  |  |  | 467,130 |  |  |  | 446,875 |  |  |  | 1,912 |  |  |  | 448,787 |
Total financial assets measured at amortized cost |  |  | 1,357,265 |  |  |  | 2,350 |  |  |  | 1,359,615 |  |  |  | 1,497,386 |  |  |  | 1,957 |  |  |  | 1,499,343 |
Derivative financial instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- For hedging purposes |  |  | 18,238 |  |  |  | 13,425 |  |  |  | 31,663 |  |  |  | - |  |  |  | 8,910 |  |  |  | 8,910 |
- At fair value through profit or loss |  |  | 2,693 |  |  |  | - |  |  |  | 2,693 |  |  |  | 6,038 |  |  |  | - |  |  |  | 6,038 |
Financial assets at fair value through other comprehensive income |  |  | - |  |  |  | 3,631 |  |  |  | 3,631 |  |  |  | - |  |  |  | 33,924 |  |  |  | 33,924 |
Total financial assets at fair value |  |  | 20,931 |  |  |  | 17,056 |  |  |  | 37,987 |  |  |  | 6,038 |  |  |  | 42,834 |  |  |  | 48,872 |
Total financial assets |  |  | 1,378,196 |  |  |  | 19,406 |  |  |  | 1,397,602 |  |  |  | 1,503,424 |  |  |  | 44,791 |  |  |  | 1,548,215 |
Disclosure of detailed information about categories of financial liabilities [Text Block] |
| b) | Financial liabilities
|  | 12/31/2018 |  |  | 12/31/2017 |
Description of financial liabilities |  | Current |  |  | Non- Current |  |  | Total |  |  | Current |  |  | Non- Current |  |  | Total |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Derivative financial instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
For hedging purposes |  |  | 5,285 |  |  |  | 12,033 |  |  |  | 17,318 |  |  |  | 37,287 |  |  |  | - |  |  |  | 37,287 |
Held for trading at fair value through profit or loss |  |  | 2,855 |  |  |  | - |  |  |  | 2,855 |  |  |  | 5,979 |  |  |  | - |  |  |  | 5,979 |
Financial liabilities at fair value through profit or loss |  |  | 8,140 |  |  |  | 12,033 |  |  |  | 20,173 |  |  |  | 43.266 |  |  |  | - |  |  |  | 43.266 |
Liabilities at amortized cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans |  |  | 300 |  |  |  | 68,870 |  |  |  | 69,170 |  |  |  | 163,568 |  |  |  | - |  |  |  | 163,568 |
Obligations to the public |  |  | 15,145 |  |  |  | 1,249,479 |  |  |  | 1,264,624 |  |  |  | 13,494 |  |  |  | 1,031,507 |  |  |  | 1,045,001 |
Financial liabilities at amortized cost (trade and other payables) |  |  | 163,751 |  |  |  | - |  |  |  | 163,751 |  |  |  | 196,280 |  |  |  | - |  |  |  | 196,280 |
Accounts payable to related entities |  |  | 9 |  |  |  | - |  |  |  | 9 |  |  |  | 1,365 |  |  |  | - |  |  |  | 1,365 |
Total financial liabilities at amortized cost |  |  | 179,205 |  |  |  | 1,318,349 |  |  |  | 1,497,554 |  |  |  | 374.707 |  |  |  | 1,031,507 |  |  |  | 1,406.214 |
Total financial liabilities |  |  | 187,345 |  |  |  | 1,330,382 |  |  |  | 1,517,727 |  |  |  | 417,973 |  |  |  | 1,031,507 |  |  |  | 1,449,480 |
Disclosure of fair value measurement [text block] |
|  | Carrying Amount at Amortized Cost |  |  | Fair value (informative) |  |  | Fair value |  |  | Measurement Methodology |
|  | 12/31/2018 |  |  | 12/31/2018 |  |  | 12/31/2018 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Financial Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 556,066 |  |  |  | 556,066 |  |  |  | - |  |  |  | - |  |  |  | 556,066 |  |  |  | - |
Trade and other receivables, current |  |  | 464,855 |  |  |  | 464,855 |  |  |  | - |  |  |  | - |  |  |  | 464,855 |  |  |  | - |
Trade receivables due from related parties, current |  |  | 44,554 |  |  |  | 44,554 |  |  |  | - |  |  |  | - |  |  |  | 44,554 |  |  |  | - |
Other current financial assets: |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Time deposits |  |  | 291,790 |  |  |  | 291,790 |  |  |  | - |  |  |  | - |  |  |  | 291,790 |  |  |  | - |
- Derivative instruments |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Forwards |  |  | - |  |  |  | - |  |  |  | 2,637 |  |  |  | - |  |  |  | 2,637 |  |  |  | - |
- Options |  |  | - |  |  |  | - |  |  |  | 56 |  |  |  | - |  |  |  | 56 |  |  |  | - |
- Hedging assets |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Investment hedge swaps |  |  | - |  |  |  | - |  |  |  | 18,238 |  |  |  | - |  |  |  | 18,238 |  |  |  | - |
Non-current accounts receivable |  |  | 424 |  |  |  | 424 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Other non-current financial assets: |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Other |  |  | 95 |  |  |  | 95 |  |  |  | - |  |  |  | - |  |  |  | 95 |  |  |  | - |
- Investment in Shares |  |  | - |  |  |  | - |  |  |  | 3,611 |  |  |  | - |  |  |  | - |  |  |  | - |
- Hedging assets - Swaps |  |  | - |  |  |  | - |  |  |  | 13,425 |  |  |  | - |  |  |  | 13,425 |  |  |  | - |
Other current financial liabilities |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Bank loans |  |  | 300 |  |  |  | 300 |  |  |  | - |  |  |  | - |  |  |  | 300 |  |  |  | - |
- Derivative instruments |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Forwards |  |  | - |  |  |  | - |  |  |  | 2,723 |  |  |  | - |  |  |  | 2,723 |  |  |  | - |
- Options |  |  | - |  |  |  | - |  |  |  | 132 |  |  |  | - |  |  |  | 132 |  |  |  | - |
- Hedging liabilities - Swaps |  |  | - |  |  |  | - |  |  |  | 5,285 |  |  |  | - |  |  |  | 5,285 |  |  |  | - |
- Unsecured obligations |  |  | 15,145 |  |  |  | 15,145 |  |  |  | - |  |  |  | - |  |  |  | 15,145 |  |  |  | - |
Trade and other payables, current and non current |  |  | 163,751 |  |  |  | 163,751 |  |  |  | - |  |  |  | - |  |  |  | 163,751 |  |  |  | - |
Trade payables due to related parties, current |  |  | 9 |  |  |  | 9 |  |  |  | - |  |  |  | - |  |  |  | 9 |  |  |  | - |
Other non-current financial liabilities: |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Bank loans |  |  | 68,870 |  |  |  | 71,826 |  |  |  | - |  |  |  | - |  |  |  | 71,826 |  |  |  | - |
- Unsecured obligations |  |  | 1,249,479 |  |  |  | 1,357,640 |  |  |  | - |  |  |  | - |  |  |  | 1,357,640 |  |  |  | - |
- Non-current hedging liabilities |  |  | - |  |  |  | - |  |  |  | 12,033 |  |  |  | - |  |  |  | 12,033 |  |  |  | - |
|  | Carrying Amount at Amortized Cost |  |  | Fair value of amounts measured at amoirtized cost |  |  | Amounts measured at Fair value |  |  | Measurement Methodology |
|  | 12/31/2017 |  |  | 12/31/2017 |  |  | 12/31/2017 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Financial Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | 630,438 |  |  |  | 630,438 |  |  |  | - |  |  |  | - |  |  |  | 630,438 |  |  |  | - |
Trade and other receivables, current |  |  | 446,875 |  |  |  | 446,875 |  |  |  | - |  |  |  | - |  |  |  | 446,875 |  |  |  | - |
Trade receivables due from related parties, current |  |  | 59,132 |  |  |  | 59,132 |  |  |  | - |  |  |  | - |  |  |  | 59,132 |  |  |  | - |
Other current financial assets: |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Time deposits |  |  | 360,941 |  |  |  | 360,941 |  |  |  | - |  |  |  | - |  |  |  | 360,941 |  |  |  | - |
- Derivative instruments |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Forwards |  |  | - |  |  |  | - |  |  |  | 2,744 |  |  |  | - |  |  |  | 2,744 |  |  |  | - |
- Options |  |  | - |  |  |  | - |  |  |  | 110 |  |  |  | - |  |  |  | 110 |  |  |  | - |
- Hedging assets |  |  | - |  |  |  | - |  |  |  | 3,184 |  |  |  | - |  |  |  | 3,184 |  |  |  | - |
- Investment hedge swaps |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Non-current accounts receivable |  |  | 1,912 |  |  |  | 1,912 |  |  |  | - |  |  |  | - |  |  |  | 1,912 |  |  |  | - |
Other non-current financial assets: |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Other |  |  | 24,811 |  |  |  | 24,811 |  |  |  | - |  |  |  | - |  |  |  | 24,811 |  |  |  | - |
- Investment in Shares |  |  | - |  |  |  | - |  |  |  | 9,159 |  |  |  | 9,159 |  |  |  | - |  |  |  | - |
- Hedging assets - Swaps |  |  | - |  |  |  | - |  |  |  | 8,909 |  |  |  | - |  |  |  | 8,909 |  |  |  | - |
Other current financial liabilities |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Bank loans |  |  | 163,568 |  |  |  | 163,568 |  |  |  | - |  |  |  | - |  |  |  | 163,568 |  |  |  | - |
- Derivative instruments |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Forwards |  |  | - |  |  |  | - |  |  |  | 5,534 |  |  |  | - |  |  |  | 5,534 |  |  |  | - |
- Options |  |  | - |  |  |  | - |  |  |  | 445 |  |  |  | - |  |  |  | 445 |  |  |  | - |
- Hedging liabilities - Swaps |  |  | - |  |  |  | - |  |  |  | 37,287 |  |  |  | - |  |  |  | 37,287 |  |  |  | - |
- Unsecured obligations |  |  | 13,494 |  |  |  | 13,494 |  |  |  | - |  |  |  | - |  |  |  | 13,494 |  |  |  | - |
Trade and other payables, current and non current |  |  | 196,280 |  |  |  | 196,280 |  |  |  | - |  |  |  | - |  |  |  | 196,280 |  |  |  | - |
Trade payables due to related parties, current |  |  | 1,365 |  |  |  | 1,365 |  |  |  | - |  |  |  | - |  |  |  | 1,365 |  |  |  | - |
Other non-current financial liabilities: |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Bank loans |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
- Unsecured obligations |  |  | 1,031,507 |  |  |  | 1,131,639 |  |  |  | - |  |  |  | - |  |  |  | 1,131,639 |  |  |  | - |
- Non-current hedging liabilities |  |  | - |  |  |  |  |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Disclosure of information about financial assets pledged as guarantee [Text Block] | As of December 31, 2018 and December 31, 2017, assets pledged as guarantees are as follows:
Restricted cash |  | 12/31/2018 ThUS$ |  |  | 12/31/2017 ThUS$ |
Isapre Norte Grande Ltda, |  |  | 712 |  |  |  | 771 |
Total |  |  | 712 |  |  |  | 771 |
Disclosure of detailed information about financial instruments [text block] | The detail of the Company’s instruments at carrying value and estimated fair value is as follows:
|  | 12/31/2018 |  |  |  |  |  | 12/31/2017 |  |  |  |
|  | Carrying value |  |  | Fair value |  |  | Carrying value |  |  | Fair value |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Cash and cash equivalents |  |  | 556,066 |  |  |  | 556,066 |  |  |  | 630,438 |  |  |  | 630,438 |
Current trade and other receivables |  |  | 464,855 |  |  |  | 464,855 |  |  |  | 446,875 |  |  |  | 446,875 |
Receivables due from related parties, current |  |  | 44,554 |  |  |  | 44,554 |  |  |  | 59,132 |  |  |  | 59,132 |
Other financial assets, current: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- Time deposits |  |  | 291,790 |  |  |  | 291,790 |  |  |  | 360,941 |  |  |  | 360,941 |
- Derivative instruments |  |  | 2,693 |  |  |  | 2,693 |  |  |  | 6,038 |  |  |  | 6,038 |
- Hedging assets |  |  | 18,238 |  |  |  | 18,238 |  |  |  | - |  |  |  | - |
Total other current financial assets |  |  | 312,721 |  |  |  | 312,721 |  |  |  | 366,979 |  |  |  | 366,979 |
Non-Current Trade Receivables |  |  | 424 |  |  |  | 424 |  |  |  | 1,912 |  |  |  | 1,912 |
Other non-current financial assets: |  |  | 17,131 |  |  |  | 17,131 |  |  |  | 42,879 |  |  |  | 42,879 |
Total other non-current financial assets: |  |  | 17,131 |  |  |  | 17,131 |  |  |  | 42,879 |  |  |  | 42,879 |
Other financial liabilities, current: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- Bank loans |  |  | 300 |  |  |  | 300 |  |  |  | 163,568 |  |  |  | 163,568 |
- Derivative instruments |  |  | 2,855 |  |  |  | 2,855 |  |  |  | 5,979 |  |  |  | 5,979 |
- Hedging liabilities |  |  | 5,285 |  |  |  | 5,285 |  |  |  | 37,287 |  |  |  | 37,287 |
- Unsecured obligations |  |  | 15,145 |  |  |  | 15,145 |  |  |  | 13,494 |  |  |  | 13,494 |
Other financial liabilities, current |  |  | 23,585 |  |  |  | 23,585 |  |  |  | 220,328 |  |  |  | 220,328 |
Current and non-current accounts payable |  |  | 163,751 |  |  |  | 163,751 |  |  |  | 196,280 |  |  |  | 196,280 |
Payables due to related parties, non-current |  |  | 9 |  |  |  | 9 |  |  |  | 1,365 |  |  |  | 1,365 |
Other non-current financial liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
- Bank loans |  |  | 68,870 |  |  |  | 71,826 |  |  |  | - |  |  |  | - |
- Unsecured obligations |  |  | 1,249,479 |  |  |  | 1,404,614 |  |  |  | 1,031,507 |  |  |  | 1,131,639 |
- Non-current hedging liabilities |  |  | 12,033 |  |  |  | 2,657 |  |  |  | - |  |  |  | - |
Other non-current financial liabilities: |  |  | 1,330,382 |  |  |  | 1,479,097 |  |  |  | 1,031,507 |  |  |  | 1,131,639 |

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