XML 182 R149.htm IDEA: XBRL DOCUMENT
v3.23.1

Employee benefits - Cost of Service or Benefits Received (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Employee benefits |  |  |
Financial cost | $ 255 | $ 240 | $ 280
Real loss in plan assets | (363) | (316) | (637)
Settlement | (1,627) | 0 | 0
Amortization of prior year losses | 0 | 0 | 326
Net periodic pension expenses | $ (1,735) | $ (76) | $ (31)

X
- Definition The amount of amortisation expense of prior year losses. + References No definition available. + Details
Name: | sqm_AmortisationExpenseOfPriorYearLosses
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of service cost relating to periodic pension expense. + References No definition available. + Details
Name: | sqm_CurrentServiceCostPeriodicPensionExpense
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The amount of net periodic pension expense. + References No definition available. + Details
Name: | sqm_NetPeriodicPensionExpense
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of return (loss) on plan assets. + References No definition available. + Details
Name: | sqm_ReturnLossOnPlanAssets
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The settlement adjustment to recognize the minimum pension obligation. + References No definition available. + Details
Name: | sqm_SettlementInRegardsToMinimumPensionObligation
Namespace Prefix: | sqm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration