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OTHER LIABILITIES - Components of pension expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Defined benefit pension plan expense |  |
Current service cost | $ 2,976 | $ 2,624
Past service cost |  | 5,351
Administrative expenses | 120 | 130
Interest cost on defined benefit obligation | 1,797 | 1,240
Interest on assets | (87) | (72)
Pension expense | $ 4,806 | $ 9,273

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- Definition The amount of administration expense making up defined benefit plan pension expense recognized in the income statement. + References No definition available. + Details
Name: | aem_AdministrationRecognizedInOperations
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of current service cost making up defined benefit Plan pension expense recognized in the income statement. + References No definition available. + Details
Name: | aem_CurrentServiceCostRecognizedInOperations
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Definition The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss) on assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments) and for (2) defined contribution plans (to the extent that a plan's defined contributions to an individual's account are to be made for periods in which that individual renders services, the net cost for a period is the contribution called for in that period; if a plan calls for contributions for periods after an individual retires or terminates, the estimated cost is accrued during the employee's service period). + References No definition available. + Details
Name: | aem_IfrsPensionAndOtherPostretirementBenefitExpense
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest costs on defined benefit obligation plan pension expense recognized in the income statement. + References No definition available. + Details
Name: | aem_InterestCostOnDefinedBenefitObligationRecognizedInOperation
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest income on defined benefit plan assets recognized in income statement + References No definition available. + Details
Name: | aem_InterestOnAssetsRecognizedInOperations
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of past service cost making up defined benefit Plan pension expense recognized in the income statement. + References No definition available. + Details
Name: | aem_PastServiceCostRecognizedInOperations
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration