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EQUITY - Common Shares (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Apr. 28, 2022 | Dec. 31, 2022 | Dec. 31, 2021
EQUITY |  |  |
Common stock, par value (in dollars per share) |  | $ 0 |
Common stock, shares issued |  | 457,160,104 | 245,435,804
Common shares held in trust |  | 694,808 | 433,947
Minimum authorized purchases percentage under NCIB | 5.00% |  |
Commission for authorized purchases under NCIB | $ 500,000 |  |
Shares repurchased and cancelled |  | 1,569,620 |
Consideration paid for repurchase and cancellation of shares |  | $ 69,900 |
Average price per share |  | $ 44.53 |
Book value of shares repurchased and cancelled |  | 55,900,000 |
Share repurchases |  | $ 69,900 |
Contributed Surplus |  |  |
EQUITY |  |  |
Share repurchases |  | $ 13,974 |

X
- Definition Amount of commission for authorized purchases under NCIB. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of consideration paid for repurchase and cancellation of shares. + References No definition available. + Details
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Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
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X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References No definition available. + Details
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X
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References No definition available. + Details
Name: | aem_IfrsStockRepurchasedDuringPeriodValue
Namespace Prefix: | aem_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of minimum authorized purchases percentage under NCIB. + References No definition available. + Details
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Namespace Prefix: | aem_
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Balance Type: | na
Period Type: | duration

X
- Definition The number of shares held in trust by the entity. + References No definition available. + Details
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Namespace Prefix: | aem_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of book value of shares repurchased and cancelled. + References No definition available. + Details
Name: | aem_SharesRepurchasedAndCancelledBookValue
Namespace Prefix: | aem_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average per share price of shares repurchased and cancelled. + References No definition available. + Details
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X
- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d&doctype=Standard -URIDate 2022-03-24 + Details
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Balance Type: | na
Period Type: | instant

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- Definition The nominal value per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph a -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a_iii&doctype=Standard -URIDate 2022-03-24 + Details
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- Details
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