XML 169 R146.htm IDEA: XBRL DOCUMENT
v3.19.1

Intangible assets and goodwill (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2018
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Discount rate applied to cash flow projections | 9.80%
Period Over Which Management Has Projected Cash Flows | 5 years
Intangible assets and goodwill [member] |
Disclosure Of Intangible Assets And Goodwill [Line Items] |
Discount rate applied to cash flow projections | 8.04%
Period Over Which Management Has Projected Cash Flows | 5 years

X
- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_d_v&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2018-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=36&date=2018-03-01&anchor=para_134_e_v&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition The period over which management has projected cash flows based on financial budgets/forecasts approved by management including. + References No definition available. + Details
Name: | sqm_PeriodOverWhichManagementHasProjectedCashFlows
Namespace Prefix: | sqm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis=ifrs-full_IntangibleAssetsOtherThanGoodwillMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |