Name:	aem_DisclosureOfEquityLineItems
Namespace Prefix:	aem_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The number of shares held in trust by the entity.

No definition available.

Name:	aem_NumberOfSharesHeldInTrust
Namespace Prefix:	aem_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The percentage of common shares comprising the Long Term Incentive Plan implemented for certain employees.

No definition available.

Name:	aem_PercentageOfAssetComprisedOfCommonStock
Namespace Prefix:	aem_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The percentage of deferred cash comprising the Long Term Incentive Plan implemented for certain employees.

No definition available.

Name:	aem_PercentageOfDeferredCash
Namespace Prefix:	aem_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The vesting life of awards in a share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	aem_VestingLifeOfShareBasedAwards
Namespace Prefix:	aem_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The number of shares issued by the entity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 106
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_106_d&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_NumberOfSharesIssued
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The nominal value per share.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 79
-Subparagraph a
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_79_a_iii&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_ParValuePerShare
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
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Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=aem_LongTermIncentivePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_BusinessCombinationsAxis=aem_PartnershipAndCanadianMalarticCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_BusinessCombinationsAxis=aem_CanadianMalarticMember
Namespace Prefix:
Data Type:	na
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