XML 217 R194.htm IDEA: XBRL DOCUMENT
v3.19.1

Effect of fluctuations in foreign currency exchange rates (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Conversion foreign exchange gains (losses) recognized in the result of the year. | $ (16,597) | $ (1,299) | $ 460
Gains (losses) on exchange differences on translation, before tax | (1,219) | (5,446) | (2,252)
Equity attributable to owners of parent [member] |  |  |
Gains (losses) on exchange differences on translation, before tax | (1,394) | (5,450) | (5,428)
Non-controlling interests [member] |  |  |
Gains (losses) on exchange differences on translation, before tax | $ 168 | $ 4 | $ 35

X
- Definition The gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, before tax. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 91 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_91_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Conversion foreign exchange gains (losses) recognized in the result of the year. + References No definition available. + Details
Name: | sqm_ConversionForeignExchangeGainsLossesRecognizedInResult
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_EquityAttributableToOwnersOfParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_NoncontrollingInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |