XML 123 R51.htm IDEA: XBRL DOCUMENT
v3.20.1

Intangible assets and goodwill (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Disclosure Of Intangible Assets And Goodwill [Abstract] |
Disclosure of detailed information about intangible assets [text block] | 14.1 Balances
Balances |  | As of December ‎ 31, 2019 |  |  | As of December ‎ 31, 2018 |
|  | ThUS$ |  |  | ThUS$ |
Intangible assets other than goodwill |  |  | 188,358 |  |  |  | 189,350 |
Goodwill |  |  | 34,726 |  |  |  | 34,866 |
Total |  |  | 223,084 |  |  |  | 224,216 |
Disclosure of detailed information about intangible assets and goodwill explanatory [Text Block] | Balances and movements in the main classes of intangible assets as of December 31, 2019 and December 31, 2018 are detailed as follows:
|  |  |  |  | As of December 31, 2019 |
Intangible assets and goodwill |  | Useful life |  |  | Gross Value |  |  | Accumulated ‎ amortization |  |  | Accumulated ‎ impairment |  |  | Net value |
|  |  |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
IT programs |  |  | Finite |  |  |  | 34,471 |  |  |  | (28,460 | ) |  |  | - |  |  |  | 6,011 |
Intellectual property rights, patents and other industrial property rights, service. |  |  | Finite |  |  |  | 1,259 |  |  |  | (1,131 | ) |  |  | (7 | ) |  |  | 121 |
Mining property, water rights and rights of way |  |  | Indefinite |  |  |  | 182,260 |  |  |  | - |  |  |  | (2,642 | ) |  |  | 179,618 |
Mining property |  |  | Finite |  |  |  | 1,500 |  |  |  | (206 | ) |  |  | - |  |  |  | 1,294 |
Customer-related intangible assets |  |  | Finite |  |  |  | 1,778 |  |  |  | (505 | ) |  |  | - |  |  |  | 1,273 |
Other intangible assets. |  |  | Finite |  |  |  | 929 |  |  |  | (888 | ) |  |  | - |  |  |  | 41 |
Intangible assets other than goodwill |  |  |  | 222,197 |  |  |  | (31,190 | ) |  |  | (2,649 | ) |  |  | 188,358 |
Goodwill |  |  | Indefinite |  |  |  | 38,120 |  |  |  | - |  |  |  | (3,394 | ) |  |  | 34,726 |
Total Intangible Assets |  |  |  | 260,317 |  |  |  | (31,190 | ) |  |  | (6,043 | ) |  |  | 223,084 |
|  |  |  |  | As of December 31, 2018 |
Intangible assets and goodwill |  | Useful life |  |  | Gross Value |  |  | Accumulated ‎ amortization |  |  | Accumulated ‎ impairment |  |  | Net value |
|  |  |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
IT programs |  |  | Finite |  |  |  | 29,137 |  |  |  | (24,569 | ) |  |  | - |  |  |  | 4,568 |
Intellectual property rights, patents and other industrial property rights, service. |  |  | Finite |  |  |  | 1,254 |  |  |  | (1,096 | ) |  |  | (7 | ) |  |  | 151 |
Mining property, water rights and rights of way |  |  | Indefinite |  |  |  | 183,349 |  |  |  | - |  |  |  | (1,729 | ) |  |  | 181,620 |
Mining property |  |  | Finite |  |  |  | 1,500 |  |  |  | (88 | ) |  |  | - |  |  |  | 1,412 |
Customer-related intangible assets |  |  | Finite |  |  |  | 1,778 |  |  |  | (205 | ) |  |  | - |  |  |  | 1,573 |
Other intangible assets |  |  | Finite |  |  |  | 911 |  |  |  | (885 | ) |  |  | - |  |  |  | 26 |
Intangible assets other than goodwill |  |  |  | 217,929 |  |  |  | (26,843 | ) |  |  | (1,736 | ) |  |  | 189,350 |
Goodwill |  |  | Indefinite |  |  |  | 38,120 |  |  |  | - |  |  |  | (3,254 | ) |  |  | 34,866 |
Total Intangible Assets |  |  |  | 256,049 |  |  |  | (26,843 | ) |  |  | (4,990 | ) |  |  | 224,216 |
Description of detailed information about estimated usefull life of intangible assets other than goodwill [Text Block] |
| c) | Minimum and maximum amortization life or rates of intangible assets:
Estimated useful life or amortization rate |  | Minimum Life or ‎ Rate |  |  | Maximum Life or ‎ Rate |
Mining property, water rights and rights of way |  |  | Indefinite |  |  |  | Indefinite |
Mining property |  |  | 1 year |  |  |  | 11 years |
Intellectual property rights, patents and other industrial property rights, service |  |  | 1 year |  |  |  | 16 years |
Commercial trademarks |  |  | 1 year |  |  |  | 5 years |
IT programs |  |  | 2 years |  |  |  | 6 years |
Disclosure Of Movement Of Goodwill Table Text Block | The following table shows the movements in goodwill as of December 31, 2019 :
Company |  | Gross value ‎ As of December ‎ 31, 2018 |  |  | Additional ‎ recognition |  |  | Accumulated ‎ impairment ‎ losses |  |  | Net value ‎ As of December ‎ 31, 2019 |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM Industrial S.A. |  |  | 3,214 |  |  |  | - |  |  |  | (3,214 | ) |  |  | - |
SQM S.A. |  |  | 22,255 |  |  |  | - |  |  |  | - |  |  |  | 22,255 |
SQM Iberian S.A. |  |  | 148 |  |  |  | - |  |  |  | - |  |  |  | 148 |
SQM Investment Corporation |  |  | 86 |  |  |  | - |  |  |  | - |  |  |  | 86 |
Soquimich Comercial S.A. |  |  | 320 |  |  |  | - |  |  |  | (180 | ) |  |  | 140 |
Soquimich European Holding |  |  | 11,373 |  |  |  | - |  |  |  | - |  |  |  | 11,373 |
SQM Potasio S.A. |  |  | 724 |  |  |  | - |  |  |  | - |  |  |  | 724 |
Total |  |  | 38,120 |  |  |  | - |  |  |  | (3,394 | ) |  |  | 34,726 |
Disclosure of reconciliation of changes in intangible assets and goodwill [text block] |
| e) | Reconciliation of identifiable intangible assets as of December 31, 2019:
Gross Value Movements in identifiable intangible ‎ assets |  | IT programs |  |  | Intellectual ‎ property rights, ‎ patents and other ‎ industrial ‎ property rights, service, Finite |  |  | Mining property, ‎ water rights, and ‎ rights of way, ‎ Indefinite |  |  | Mining ‎ property finite |  |  | Customer-related ‎ intangible assets |  |  | Other intangible ‎ assets |  |  | Goodwill |  |  | Identifiable ‎ intangible assets |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening Balance |  |  | 29,137 |  |  |  | 1,254 |  |  |  | 183,349 |  |  |  | 1,500 |  |  |  | 1,778 |  |  |  | 911 |  |  |  | 38,120 |  |  |  | 256,049 |
Additions |  |  | 2,606 |  |  |  | 5 |  |  |  | 227 |  |  |  | - |  |  |  | - |  |  |  | 18 |  |  |  | - |  |  |  | 2,856 |
Other increases / decreases of foreign currency |  |  | (7 | ) |  |  | - |  |  |  | (2 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (9 | )
Decreases through sale |  |  | - |  |  |  | - |  |  |  | (1,314 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (1,314 | )
Other increases (decreases) |  |  | 2,735 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 2,735 |
Total increases (decreases) |  |  | 5,334 |  |  |  | 5 |  |  |  | (1,089 | ) |  |  | - |  |  |  | - |  |  |  | 18 |  |  |  | - |  |  |  | 4,268 |
Closing balance |  |  | 34,471 |  |  |  | 1,259 |  |  |  | 182,260 |  |  |  | 1,500 |  |  |  | 1,778 |  |  |  | 929 |  |  |  | 38,120 |  |  |  | 260,317 |
Accumulated amortization and impairment ‎ Movements in identifiable intangible assets |  | IT programs |  |  | Intellectual ‎ property rights, ‎ patents and other ‎ industrial ‎ property rights, ‎ service, Finite |  |  | Mining property, ‎ water rights, and ‎ rights of way, ‎ Indefinite |  |  | Mining property ‎ finite |  |  | Customer-related ‎ intangible assets |  |  | Other intangible ‎ assets |  |  | Goodwill |  |  | Identifiable ‎ intangible assets |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening Balance |  |  | (24,569 | ) |  |  | (1,103 | ) |  |  | (1,729 | ) |  |  | (88 | ) |  |  | (205 | ) |  |  | (885 | ) |  |  | (3,254 | ) |  |  | (31,833 | )
Other increases / decreases of foreign currency |  |  | 3 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3 |
Other increases (decreases) |  |  | (256 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (256 | )
Impairment losses recognized in profit or loss for the year |  |  | - |  |  |  | - |  |  |  | (913 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | (1,053 | )
Amortization |  |  | (3,638 | ) |  |  | (35 | ) |  |  | - |  |  |  | (118 | ) |  |  | (300 | ) |  |  | (3 | ) |  |  | - |  |  |  | (4,094 | )
Total increases (decreases) |  |  | (3,891 | ) |  |  | (35 | ) |  |  | (913 | ) |  |  | (118 | ) |  |  | (300 | ) |  |  | (3 | ) |  |  | (140 | ) |  |  | (5,400 | )
Closing balance |  |  | (28,460 | ) |  |  | (1,138 | ) |  |  | (2,642 | ) |  |  | (206 | ) |  |  | (505 | ) |  |  | (888 | ) |  |  | (3,394 | ) |  |  | (37,233 | )
Net value ‎ Movements in Identifiable intangible assets |  | IT programs |  |  | Intellectual ‎ property rights, ‎ patents and other ‎ industrial ‎ property rights, ‎ service, Finite |  |  | Mining property, ‎ water rights, and ‎ rights of way, ‎ Indefinite |  |  | Mining property ‎ finite |  |  | Customer-related ‎ intangible assets |  |  | Other intangible ‎ assets |  |  | Goodwill |  |  | Identifiable ‎ intangible assets |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening Balance |  |  | 4,568 |  |  |  | 151 |  |  |  | 181,620 |  |  |  | 1,412 |  |  |  | 1,573 |  |  |  | 26 |  |  |  | 34,866 |  |  |  | 224,216 |
Additions |  |  | 2,606 |  |  |  | 5 |  |  |  | 227 |  |  |  | - |  |  |  | - |  |  |  | 18 |  |  |  | - |  |  |  | 2,856 |
Amortization |  |  | (3,638 | ) |  |  | (35 | ) |  |  | - |  |  |  | (118 | ) |  |  | (300 | ) |  |  | (3 | ) |  |  | - |  |  |  | (4,094 | )
Impairment losses recognized in profit or loss for the year |  |  | - |  |  |  | - |  |  |  | (913 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | (1,053 | )
Other increases / decreases of foreign currency |  |  | (4 | ) |  |  | - |  |  |  | (2 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (6 | )
Decreases through sale |  |  | - |  |  |  | - |  |  |  | (1,314 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (1,314 | )
Other increases (decreases) |  |  | 2,479 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 2,479 |
Total increases (decreases) |  |  | 1,443 |  |  |  | (30 | ) |  |  | (2,002 | ) |  |  | (118 | ) |  |  | (300 | ) |  |  | 15 |  |  |  | (140 | ) |  |  | (1,132 | )
Closing balance |  |  | 6,011 |  |  |  | 121 |  |  |  | 179,618 |  |  |  | 1,294 |  |  |  | 1,273 |  |  |  | 41 |  |  |  | 34,726 |  |  |  | 223,084 |
Reconciliation of identifiable intangible assets as of December 31, 2018:
Gross Value Movements in identifiable intangible ‎ assets |  | IT programs |  |  | Intellectual ‎ property rights, ‎ patents and other ‎ industrial ‎ property rights, ‎ service, Finite |  |  | Mining property, ‎ water rights, and ‎ rights of way, ‎ Indefinite |  |  | Mining property ‎ finite |  |  | Customer-related ‎ intangible assets |  |  | Other intangible ‎ assets |  |  | Goodwill |  |  | Identifiable ‎ intangible assets |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening Balance |  |  | 25,060 |  |  |  | 1,250 |  |  |  | 104,858 |  |  |  | 1,500 |  |  |  | 1,778 |  |  |  | 171 |  |  |  | 37,972 |  |  |  | 172,589 |
Additions |  |  | 1,159 |  |  |  | 5 |  |  |  | 77,201 |  |  |  | - |  |  |  | - |  |  |  | 11 |  |  |  | - |  |  |  | 78,376 |
Other increases / decreases of foreign currency |  |  | (5 | ) |  |  | (1 | ) |  |  | (4 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (10 | )
Other increases (decreases) |  |  | 2,923 |  |  |  | - |  |  |  | 1,294 |  |  |  | - |  |  |  | - |  |  |  | 729 |  |  |  | 148 |  |  |  | 5,094 |
Total increases (decreases) |  |  | 4,077 |  |  |  | 4 |  |  |  | 78,491 |  |  |  | - |  |  |  | - |  |  |  | 740 |  |  |  | 148 |  |  |  | 83,460 |
Closing balance |  |  | 29,137 |  |  |  | 1,254 |  |  |  | 183,349 |  |  |  | 1,500 |  |  |  | 1,778 |  |  |  | 911 |  |  |  | 38,120 |  |  |  | 256,049 |
Accumulated amortization and impairment Movements in identifiable intangible assets |  | IT programs |  |  | Intellectual ‎ property rights, ‎ patents and other ‎ industrial ‎ property rights, ‎ service, Finite |  |  | Mining property, ‎ water rights, and ‎ rights of way, ‎ Indefinite |  |  | Mining property ‎ finite |  |  | Customer-related ‎ intangible assets |  |  | Other intangible ‎ assets |  |  | Goodwill |  |  | Identifiable ‎ intangible assets |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening Balance |  |  | (19,769 | ) |  |  | (1,061 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (20,830 | )
Other increases / decreases of foreign currency |  |  | 4 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 4 |
Impairment losses recognized in profit or loss for the year |  |  | - |  |  |  | (7 | ) |  |  | (1,729 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,254 | ) |  |  | (4,990 | )
Amortization |  |  | (2,880 | ) |  |  | (35 | ) |  |  | - |  |  |  | (88 | ) |  |  | (205 | ) |  |  | - |  |  |  | - |  |  |  | (3,208 | )
Other increases (decreases) |  |  | (1,924 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (885 | ) |  |  | - |  |  |  | (2,809 | )
Total increases (decreases) |  |  | (4,800 | ) |  |  | (42 | ) |  |  | (1,729 | ) |  |  | (88 | ) |  |  | (205 | ) |  |  | (885 | ) |  |  | (3,254 | ) |  |  | (11,003 | )
Closing balance |  |  | (24,569 | ) |  |  | (1,103 | ) |  |  | (1,729 | ) |  |  | (88 | ) |  |  | (205 | ) |  |  | (885 | ) |  |  | (3,254 | ) |  |  | (31,833 | )
Net value ‎ Movements in Identifiable intangible assets |  | IT programs |  |  | Intellectual ‎ property rights, ‎ patents and other ‎ industrial ‎ property rights, ‎ service, Finite |  |  | Mining property, ‎ water rights, and ‎ rights of way, ‎ Indefinite |  |  | Mining property ‎ finite |  |  | Customer-related ‎ intangible assets |  |  | Other intangible ‎ assets |  |  | Goodwill |  |  | Identifiable ‎ intangible assets |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
Opening Balance |  |  | 5,291 |  |  |  | 189 |  |  |  | 104,858 |  |  |  | 1,500 |  |  |  | 1,778 |  |  |  | 171 |  |  |  | 37,972 |  |  |  | 151,759 |
Additions |  |  | 1,159 |  |  |  | 5 |  |  |  | 77,201 |  |  |  | - |  |  |  | - |  |  |  | 11 |  |  |  | - |  |  |  | 78,376 |
Amortization |  |  | (2,880 | ) |  |  | (35 | ) |  |  | - |  |  |  | (88 | ) |  |  | (205 | ) |  |  | - |  |  |  | - |  |  |  | (3,208 | )
Impairment losses recognized in profit or loss for the year |  |  | - |  |  |  | (7 | ) |  |  | (1,729 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,254 | ) |  |  | (4,990 | )
Other increases / decreases of foreign currency |  |  | (1 | ) |  |  | (1 | ) |  |  | (4 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (6 | )
Other increases (decreases) |  |  | 999 |  |  |  | - |  |  |  | 1,294 |  |  |  | - |  |  |  | - |  |  |  | (156 | ) |  |  | 148 |  |  |  | 2,285 |
Total increases (decreases) |  |  | (723 | ) |  |  | (38 | ) |  |  | 76,762 |  |  |  | (88 | ) |  |  | (205 | ) |  |  | (145 | ) |  |  | (3,106 | ) |  |  | 72,457 |
Closing balance |  |  | 4,568 |  |  |  | 151 |  |  |  | 181,620 |  |  |  | 1,412 |  |  |  | 1,573 |  |  |  | 26 |  |  |  | 34,866 |  |  |  | 224,216 |
Disclosure of reconciliation of changes in goodwill |
| g) | Reconciliation of identifiable goodwill as of December 31, 2019 :
Gross Value Movements in identifiable ‎ goodwill |  | Goodwill at ‎ the start of ‎ the period ‎ January 01, 2019 |  |  | Additional ‎ recognition |  |  | Recognition ‎ subsequent to ‎ deferred tax ‎ assets (-) |  |  | Decreases for ‎ classification ‎ as held for ‎ sale (-) |  |  | Goodwill write-off ‎ without having been ‎ included previously in ‎ disposal groups ‎ classified as held for ‎ sale (-) |  |  | Impairment ‎ losses ‎ recognized in ‎ profit or loss for ‎ the year (-) |  |  | Increase ‎ (decrease) for ‎ net exchange ‎ differences |  |  | Increase ‎ (decrease) ‎ due to other ‎ changes |  |  | Total increase ‎ (decrease) |  |  | Goodwill at ‎ end of period |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM Industrial S.A. |  |  | 3,214 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3,214 |
SQM S.A. |  |  | 22,255 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 22,255 |
SQM Iberian S.A. |  |  | 148 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 148 |
SQM Investment Corporation |  |  | 86 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 86 |
Soquimich Comercial S.A. |  |  | 320 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 320 |
Soquimich European Holding B.V. |  |  | 11,373 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 11,373 |
SQM Potasio S.A. |  |  | 724 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 724 |
Total increases (decreases) |  |  | 38,120 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 38,120 |
Closing balance |  |  | 38,120 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 38,120 |
Accumulated impairment ‎ Movements in identifiable goodwill |  | Goodwill at ‎ the start of ‎ the period ‎ January 01, 2019 |  |  | Additional ‎ recognition |  |  | Recognition ‎ subsequent to ‎ deferred tax ‎ assets (-) |  |  | Decreases for ‎ classification ‎ as held for ‎ sale (-) |  |  | Goodwill write-off ‎ without having been ‎ included previously in ‎ disposal groups ‎ classified as held for ‎ sale (-) |  |  | Impairment ‎ losses ‎ recognized in ‎ profit or loss for ‎ the year (-) |  |  | Increase ‎ (decrease) for ‎ net exchange ‎ differences |  |  | Increase ‎ (decrease) ‎ due to other ‎ changes |  |  | Total increase ‎ (decrease) |  |  | Goodwill at ‎ end of period |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM Industrial S.A. |  |  | (3,214 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,214 | )
SQM S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
SQM Iberian S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
SQM Investment Corporation |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Soquimich Comercial S.A. |  |  | (40 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | (180 | )
Soquimich European Holding B.V. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
SQM Potasio S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total increases (decreases) |  |  | (3,254 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | (3,394 | )
Closing balance |  |  | (3,254 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | (3,394 | )
Net Value Movements in identifiable goodwill |  | Goodwill at ‎ the start of ‎ the period ‎ January 01, 2019 |  |  | Additional ‎ recognition |  |  | Recognition ‎ subsequent to ‎ deferred tax ‎ assets (-) |  |  | Decreases for ‎ classification ‎ as held for ‎ sale (-) |  |  | Goodwill write-off ‎ without having been ‎ included previously in ‎ disposal groups ‎ classified as held for ‎ sale (-) |  |  | Impairment ‎ losses ‎ recognized in ‎ profit or loss for ‎ the year (-) |  |  | Increase ‎ (decrease) for ‎ net exchange ‎ differences |  |  | Increase ‎ (decrease) ‎ due to other ‎ changes |  |  | Total increase ‎ (decrease) |  |  | Goodwill at ‎ end of period |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM Industrial S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
SQM S.A. |  |  | 22,255 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 22,255 |
SQM Iberian S.A. |  |  | 148 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 148 |
SQM Investment Corporation |  |  | 86 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 86 |
Soquimich Comercial S.A. |  |  | 280 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | 140 |
Soquimich European Holding B.V. |  |  | 11,373 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 11,373 |
SQM Potasio S.A. |  |  | 724 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 724 |
Total increases (decreases) |  |  | 34,866 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | 34,726 |
Closing balance |  |  | 34,866 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | - |  |  |  | - |  |  |  | (140 | ) |  |  | 34,726 |
| h) | Reconciliation of identifiable goodwill as of December 31, 2018:
Gross Value ‎ Movements in identifiable goodwill |  | Goodwill at ‎ the start of ‎ the period ‎ January 01, 2018 |  |  | Additional ‎ recognition |  |  | Recognition ‎ subsequent to ‎ deferred tax ‎ assets (-) |  |  | Decreases for ‎ classification ‎ as held for ‎ sale (-) |  |  | Goodwill write-off ‎ without having been ‎ included previously in ‎ disposal groups ‎ classified as held for ‎ sale (-) |  |  | Impairment ‎ losses ‎ recognized in ‎ profit or loss for ‎ the year (-) |  |  | Increase ‎ (decrease) for ‎ net exchange ‎ differences |  |  | Increase ‎ (decrease) ‎ due to other ‎ changes |  |  | Total increase ‎ (decrease) |  |  | Goodwill at ‎ end of period |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM Industrial S.A. |  |  | 3,214 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3,214 |
SQM S.A. |  |  | 22,255 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 22,255 |
SQM Iberian S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 148 |  |  |  | 148 |  |  |  | 148 |
SQM Investment Corporation |  |  | 86 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 86 |
Soquimich Comercial S.A. |  |  | 320 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 320 |
Soquimich European Holding B.V. |  |  | 11,373 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 11,373 |
SQM Potasio S.A. |  |  | 724 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 724 |
Total increases (decreases) |  |  | 37,972 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 148 |  |  |  | 148 |  |  |  | 38,120 |
Closing balance |  |  | 37,972 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 148 |  |  |  | 148 |  |  |  | 38,120 |
Accumulated impairment ‎ Movements in identifiable goodwill |  | Goodwill at ‎ the start of ‎ the period ‎ January 01, 2018 |  |  | Additional ‎ recognition |  |  | Recognition ‎ subsequent to ‎ deferred tax ‎ assets (-) |  |  | Decreases for ‎ classification ‎ as held for ‎ sale (-) |  |  | Goodwill write-off ‎ without having been ‎ included previously in ‎ disposal groups ‎ classified as held for ‎ sale (-) |  |  | Impairment ‎ losses ‎ recognized in ‎ profit or loss for ‎ the year (-) |  |  | Increase ‎ (decrease) for ‎ net exchange ‎ differences |  |  | Increase ‎ (decrease) ‎ due to other ‎ changes |  |  | Total increase ‎ (decrease) |  |  | Goodwill at ‎ end of period |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM Industrial S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,214 | ) |  |  | (3,214 | ) |  |  | (3,214 | )
SQM S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
SQM Iberian S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
SQM Investment Corporation |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Soquimich Comercial S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (40 | ) |  |  | (40 | ) |  |  | (40 | )
Soquimich European Holding B.V. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
SQM Potasio S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total increases (decreases) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,254 | ) |  |  | (3,254 | ) |  |  | (3,254 | )
Closing balance |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,254 | ) |  |  | (3,254 | ) |  |  | (3,254 | )
Net Value ‎ Movements in identifiable goodwill |  | Goodwill at ‎ the start of ‎ the period ‎ January 01, 2018 |  |  | Additional ‎ recognition |  |  | Recognition ‎ subsequent to ‎ deferred tax ‎ assets (-) |  |  | Decreases for ‎ classification ‎ as held for ‎ sale (-) |  |  | Goodwill write-off ‎ without having been ‎ included previously in ‎ disposal groups ‎ classified as held for ‎ sale (-) |  |  | Impairment ‎ losses ‎ recognized in ‎ profit or loss for ‎ the year (-) |  |  | Increase ‎ (decrease) for ‎ net exchange ‎ differences |  |  | Increase ‎ (decrease) ‎ due to other ‎ changes |  |  | Total increase ‎ (decrease) |  |  | Goodwill at ‎ end of period |
|  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |  |  | ThUS$ |
SQM Industrial S.A. |  |  | 3,214 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,214 | ) |  |  | (3,214 | ) |  |  | - |
SQM S.A. |  |  | 22,255 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 22,255 |
SQM Iberian S.A. |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 148 |  |  |  | 148 |  |  |  | 148 |
SQM Investment Corporation |  |  | 86 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 86 |
Soquimich Comercial S.A. |  |  | 320 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (40 | ) |  |  | (40 | ) |  |  | 280 |
Soquimich European Holding B.V. |  |  | 11,373 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 11,373 |
SQM Potasio S.A. |  |  | 724 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 724 |
Total increases (decreases) |  |  | 37,972 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,106 | ) |  |  | (3,106 | ) |  |  | 34,866 |
Closing balance |  |  | 37,972 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (3,106 | ) |  |  | (3,106 | ) |  |  | 34,866 |

X
- Definition The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the reconciliation of changes in goodwill. [Refer: Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2019-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2019-01-01 -Paragraph 118 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=38&code=ifrs-tx-2019-en-r&anchor=para_118&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sqm_DescriptionOfDetailedInformationAboutEstimatedUsefullLifeOfIntangibleAssetsOtherThanGoodwillTextBlock
Namespace Prefix: | sqm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sqm_DisclosureOfDetailedInformationAboutIntangibleAssetsAndGoodwillExplanatoryTextBlock
Namespace Prefix: | sqm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | sqm_DisclosureOfIntangibleAssetsAndGoodwillAbstract
Namespace Prefix: | sqm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure Of Movement Of Goodwill + References No definition available. + Details
Name: | sqm_DisclosureOfMovementOfGoodwillTableTextBlock
Namespace Prefix: | sqm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration