EQUITY - Company's NCIB program (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
EQUITY
Number of common shares repurchased	4,114,150	1,749,086
Cost of common shares repurchased	$ 599.7	$ 119.9
Number of common shares cancelled	4,114,150	1,749,086
Book value of cancelled shares	$ 154.2	$ 64.9

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.

No definition available.

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Namespace Prefix:	aem_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration