Name:	aem_IfrsPurchaseObligation
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The percentage of net smelter returns subject to royalty arrangements.

No definition available.

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Namespace Prefix:	aem_
Data Type:	num:percentItemType
Balance Type:	na
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The period of royalty payments on the quarterly basis as one month arrears.

No definition available.

Name:	aem_PeriodOfRoyaltyPaidInQuarterlyArrears
Namespace Prefix:	aem_
Data Type:	xbrli:durationItemType
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The period of royalty payments after the commencement of operations.

No definition available.

Name:	aem_PeriodOfRoyaltyPaymentsCommencement
Namespace Prefix:	aem_
Data Type:	xbrli:durationItemType
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The value of the net return royalty that may be repurchased by the entity.

No definition available.

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Namespace Prefix:	aem_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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The amount of future capital expenditures that the entity is committed to make.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
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The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2017-01-01
-Paragraph 86
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_86_a&doctype=Standard
-URIDate 2017-03-09

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Period Type:	instant

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Data Type:	na
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Namespace Prefix:
Data Type:	na
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Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_SegmentsAxis=aem_KittilaMineSubsegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_GeographicalAreasAxis=country_FI
Namespace Prefix:
Data Type:	na
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