XML 161 R138.htm IDEA: XBRL DOCUMENT v3.19.1

Financial instruments (Details 29) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Financial instruments [Line Items]
Financial assets pledged as collateral for liabilities or contingent liabilities	$ 712	$ 771
Isapre Norte Grande Ltda. [Member] | Restricted cash [Member]
Financial instruments [Line Items]
Financial assets pledged as collateral for liabilities or contingent liabilities	$ 712	$ 771

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- Definition

The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2018-01-01
-Paragraph 14
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_14_a&doctype=Standard
-URIDate 2018-03-16

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	sqm_FinancialInstrumentsLineItems
Namespace Prefix:	sqm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=sqm_IsapreNorteGrandeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=sqm_RestrictedCashMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: