XML 216 R193.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Income tax and deferred taxes (Details 5) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Disclosure of Income tax and deferred taxes [Line Items] |  |
Net operating loss carryforwards | $ 1,437 | $ 1,302
CHILE [Member] |  |
Disclosure of Income tax and deferred taxes [Line Items] |  |
Net operating loss carryforwards | $ 1,437 | $ 1,302

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

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References No definition available. + Details
Name: | sqm_NetOperatingLossCarryforwards
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=sqm_ChileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |