XML 161 R101.htm IDEA: XBRL DOCUMENT
v3.8.0.1

DERIVATIVE FINANCIAL INSTRUMENTS - Currency Risk Management (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Foreign Exchange Zero Cost Collars |  |
Disclosure of detailed information about financial instruments [line items] |  |
Net premium payable | $ 0 |
U S Dollar Call Options |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional amount | 0 | $ 0
2018 | Foreign Exchange Zero Cost Collars |  |
Disclosure of detailed information about financial instruments [line items] |  |
Estimated expenditure that is being hedged | 84,000 |
2018 | Foreign Exchange Zero Cost Collars | Cash flow hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Estimated expenditure that is being hedged | $ 276,000 |

X
- Definition Represents the derivatives outstanding at period end. + References No definition available. + Details
Name: | aem_DerivativesOutstanding
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the estimated expenditure being hedged. + References No definition available. + Details
Name: | aem_EstimatedExpenditureBeingHedged
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References 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 + Details
Name: | ifrs-full_NotionalAmount
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=aem_ForeignExchangeZeroCostCollarsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=aem_USDollarCallOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfHedgesAxis=ifrs-full_CashFlowHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |