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Financial instruments (Details 13) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 96,529,340-k |  | Oman
Country |  | Jordan | [1] | United States
Maturity date | 2038 |  |  |
Notional Amount |  | $ 16,796 |  | $ 1,039,755
Non-current maturities |  | 300,000 |  | 1,039,755
Borrowing costs |  | (1,651) |  | (8,248)
Total |  | 68,870 |  | 1,031,507
Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  | 250,000
Non-current maturities |  | 0 |  | 250,000
Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  | 0
Non-current maturities |  | $ 0 |  | 0
Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 789,755
Non-current maturities |  |  |  | $ 789,755
Single series bond One [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93,007,000-9 |  | 93.007.000-9
Company |  | SQM S.A. |  | SQM S.A.
Country |  | CHILE |  | CHILE
Number of registration or ID of the instrument |  | - |  | -
Maturity date |  | 4/21/2019 |  | 04/21/2020
Currency or adjustment index |  | US$ |  | US$
Payment of interest |  | Semiannual |  | Semiannual
Repayment |  | Upon maturity |  | Upon maturity
Effective rate |  | 0.95% |  | 5.50%
Nominal rate |  | 550.00% |  | 5.50%
Notional Amount |  | $ 2,674 |  | $ 250,000
Non-current maturities |  |  |  | 250,000
Borrowing costs |  | $ (386) |  | (517)
Total |  |  |  | 249,483
Single series bond One [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 250,000
Non-current maturities |  |  |  | 250,000
Single series bond One [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond One [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond One [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | $ 0
Single series bond Two [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93,007,000-9 |  | 93.007.000-9
Company |  | SQM S.A. |  | SQM S.A.
Country |  | CHILE |  | CHILE
Number of registration or ID of the instrument |  | - |  | -
Maturity date |  | 1/28/2019 |  | 01/28/2025
Currency or adjustment index |  | US$ |  | US$
Payment of interest |  | Semiannual |  | Semiannual
Repayment |  | Upon maturity |  | Upon maturity
Effective rate |  | 275.00% |  | 4.38%
Nominal rate |  | 438.00% |  | 4.38%
Notional Amount |  | $ 4,648 |  | $ 250,000
Non-current maturities |  |  |  | 250,000
Borrowing costs |  | $ (433) |  | (2,636)
Total |  |  |  | 247,364
Single series bond Two [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond Two [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond Two [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond Two [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 250,000
Non-current maturities |  |  |  | $ 250,000
Single series bond Three [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93,007,000-9 |  | 93.007.000-9
Company |  | SQM S.A. |  | SQM S.A.
Country |  | CHILE |  | CHILE
Number of registration or ID of the instrument |  | - |  | -
Maturity date |  | 4/03/2019 |  | 04/03/2023
Currency or adjustment index |  | US$ |  | US$
Payment of interest |  | Semiannual |  | Semiannual
Repayment |  | Upon maturity |  | Upon maturity
Effective rate |  | 177.00% |  | 3.63%
Nominal rate |  | 363.00% |  | 3.63%
Notional Amount |  | $ 2,658 |  | $ 300,000
Non-current maturities |  |  |  | 300,000
Borrowing costs |  | $ (614) |  | (2,618)
Total |  |  |  | 297,382
Single series bond Three [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond Three [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond Three [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Single series bond Three [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 300,000
Non-current maturities |  |  |  | $ 300,000
Series H bonds [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93,007,000-9 |  | 93.007.000-9
Company |  | SQM S.A. |  | SQM S.A.
Country |  | CHILE |  | CHILE
Number of registration or ID of the instrument |  | 564 |  | 564
Maturity date |  | 1/05/2019 |  | 01/05/2030
Currency or adjustment index |  | UF |  | UF
Payment of interest |  | Semiannual |  | Semiannual
Repayment |  | Semiannual |  | Semiannual
Effective rate |  | 190.00% |  | 4.90%
Nominal rate |  | 490.00% |  | 6.01%
Notional Amount |  | $ 3,756 |  | $ 174,367
Non-current maturities |  |  |  | 174,367
Borrowing costs |  | $ (139) |  | (1,532)
Total |  |  |  | 172,835
Series H bonds [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Series H bonds [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Series H bonds [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Series H bonds [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 174,367
Non-current maturities |  |  |  | $ 174,367
Series O bonds [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93,007,000-9 |  | 93.007.000-9
Company |  | SQM S.A. |  | SQM S.A.
Country |  | CHILE |  | CHILE
Number of registration or ID of the instrument |  | 699 |  | 699
Maturity date |  | 2/01/2019 |  | 01/02/2033
Currency or adjustment index |  | UF |  | UF
Payment of interest |  | Semiannual |  | Semiannual
Repayment |  | Upon maturity |  | Upon maturity
Effective rate |  | 260.00% |  | 3.80%
Nominal rate |  | 380.00% |  | 3.80%
Notional Amount |  | $ 934 |  | $ 65,388
Non-current maturities |  |  |  | 65,388
Borrowing costs |  | $ (67) |  | (945)
Total |  |  |  | 64,443
Series O bonds [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Series O bonds [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Series O bonds [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 0
Non-current maturities |  |  |  | 0
Series O bonds [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  |  |  | 65,388
Non-current maturities |  |  |  | $ 65,388
Series Q bonds [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | Chile |  |
Number of registration or ID of the instrument |  | 700 |  |
Maturity date |  | 6/01/2019 |  |
Currency or adjustment index |  | UF |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Upon maturity |  |
Effective rate | 3.45% | 334.00% |  |
Nominal rate |  | 345.00% |  |
Notional Amount |  | $ 342 |  |
Borrowing costs |  | 0 |  |
Non current bonds issued [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 1,256,274 |  |
Non-current maturities |  | 1,256,274 |  |
Borrowing costs |  | (6,795) |  |
Total |  | 1,249,479 |  |
Non current bonds issued [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 250,000 |  |
Non-current maturities |  | 250,000 |  |
Non current bonds issued [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 706,274 |  |
Non-current maturities |  | $ 706,274 |  |
Non current bonds issued [Member] | Single series bond One [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | CHILE |  |
Number of registration or ID of the instrument |  | - |  |
Maturity date |  | 04/21/2020 |  |
Currency or adjustment index |  | US$ |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Upon maturity |  |
Effective rate |  | 5.50% |  |
Nominal rate |  | 5.50% |  |
Notional Amount |  | $ 250,000 |  |
Non-current maturities |  | 250,000 |  |
Borrowing costs |  | (131) |  |
Total |  | 249,869 |  |
Non current bonds issued [Member] | Single series bond One [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 250,000 |  |
Non-current maturities |  | 250,000 |  |
Non current bonds issued [Member] | Single series bond One [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond One [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond One [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | $ 0 |  |
Non current bonds issued [Member] | Single series bond Two [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | CHILE |  |
Number of registration or ID of the instrument |  | - |  |
Maturity date |  | 01/28/2025 |  |
Currency or adjustment index |  | US$ |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Upon maturity |  |
Effective rate |  | 4.38% |  |
Nominal rate |  | 4.38% |  |
Notional Amount |  | $ 250,000 |  |
Non-current maturities |  | 250,000 |  |
Borrowing costs |  | (2,202) |  |
Total |  | 247,798 |  |
Non current bonds issued [Member] | Single series bond Two [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond Two [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond Two [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond Two [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 250,000 |  |
Non-current maturities |  | $ 250,000 |  |
Non current bonds issued [Member] | Single series bond Three [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | CHILE |  |
Number of registration or ID of the instrument |  | - |  |
Maturity date |  | 04/03/2023 |  |
Currency or adjustment index |  | US$ |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Upon maturity |  |
Effective rate |  | 3.63% |  |
Nominal rate |  | 3.63% |  |
Notional Amount |  | $ 300,000 |  |
Non-current maturities |  | 300,000 |  |
Borrowing costs |  | (2,006) |  |
Total |  | 297,994 |  |
Non current bonds issued [Member] | Single series bond Three [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond Three [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond Three [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Single series bond Three [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | $ 0 |  |
Non current bonds issued [Member] | Series H bonds [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | CHILE |  |
Number of registration or ID of the instrument |  | 564 |  |
Maturity date |  | 01/05/2030 |  |
Currency or adjustment index |  | UF |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Semiannual |  |
Effective rate |  | 4.90% |  |
Nominal rate |  | 4.90% |  |
Notional Amount |  | $ 158,704 |  |
Non-current maturities |  | 158,704 |  |
Borrowing costs |  | (1,392) |  |
Total |  | 157,312 |  |
Non current bonds issued [Member] | Series H bonds [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series H bonds [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series H bonds [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series H bonds [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 158,704 |  |
Non-current maturities |  | $ 158,704 |  |
Non current bonds issued [Member] | Series O bonds [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | CHILE |  |
Number of registration or ID of the instrument |  | 699 |  |
Maturity date |  | 02/01/2033 |  |
Currency or adjustment index |  | UF |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Upon maturity |  |
Effective rate |  | 3.80% |  |
Nominal rate |  | 5.50% |  |
Notional Amount |  | $ 59,514 |  |
Non-current maturities |  | 59,514 |  |
Borrowing costs |  | (878) |  |
Total |  | 58,636 |  |
Non current bonds issued [Member] | Series O bonds [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series O bonds [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series O bonds [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series O bonds [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 59,514 |  |
Non-current maturities |  | $ 59,514 |  |
Non current bonds issued [Member] | Series P Bonds [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | CHILE |  |
Number of registration or ID of the instrument |  | 563 |  |
Maturity date |  | 01/15/2028 |  |
Currency or adjustment index |  | UF |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Upon maturity |  |
Effective rate |  | 3.25% |  |
Nominal rate |  | 3.25% |  |
Notional Amount |  | $ 119,028 |  |
Non-current maturities |  | 119,028 |  |
Borrowing costs |  | (101) |  |
Total |  | 118,927 |  |
Non current bonds issued [Member] | Series P Bonds [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series P Bonds [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series P Bonds [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series P Bonds [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 119,028 |  |
Non-current maturities |  | $ 119,028 |  |
Non current bonds issued [Member] | Series Q bonds [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Tax ID |  | 93.007.000-9 |  |
Company |  | SQM S.A. |  |
Country |  | CHILE |  |
Number of registration or ID of the instrument |  | 700 |  |
Maturity date |  | 06/01/2038 |  |
Currency or adjustment index |  | UF |  |
Payment of interest |  | Semiannual |  |
Repayment |  | Upon maturity |  |
Effective rate |  | 3.45% |  |
Nominal rate |  | 3.45% |  |
Notional Amount |  | $ 119,028 |  |
Non-current maturities |  | 119,028 |  |
Borrowing costs |  | (85) |  |
Total |  | 118,943 |  |
Non current bonds issued [Member] | Series Q bonds [Member] | Over 1 year to 2 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series Q bonds [Member] | Over 2 years to 3 [member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series Q bonds [Member] | Over 4 Years to 5 [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 0 |  |
Non-current maturities |  | 0 |  |
Non current bonds issued [Member] | Series Q bonds [Member] | Over 5 Years [Member] |  |  |  |
Financial instruments [Line Items] |  |  |  |
Notional Amount |  | 119,028 |  |
Non-current maturities |  | $ 119,028 |  |
[1] | These Companies are subsidiaries of the joint venture Abu Dhabi Fertilizer Industries WWL

X
- 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 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_7&doctype=Standard -URIDate 2018-03-16 + Details
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