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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Post-employment Benefits and Stock-based Compensation (Details) | 12 Months Ended
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Dec. 31, 2017
Post employment benefits |
Contribution under supplemental plan (as a percent) | 10.00%
Minimum number of years of service for retirement program | 10 years
Minimum age limit to eligible for retirement program (in years) | 55 years
Stock-based Compensation |
Contribution by directors (excluding non-executive directors), officers and employees under ISPP (as a percent) | 10.00%
Contribution by company under ISPP to participants (as a percent) | 50.00%

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- Definition Percentage of contribution made by entity to the ISPP based on participant's (directors, officers and employees) contribution. + References No definition available. + Details
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Data Type: | num:percentItemType
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- Definition Maximum percentage of contribution by participants (directors, officers and employees) under stock plans. + References No definition available. + Details
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Namespace Prefix: | aem_
Data Type: | num:percentItemType
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- Definition The minimum age limit required to be eligible for the retirement program. + References No definition available. + Details
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- Definition Represents the minimum number of years of service required for consideration of the defined benefit retirement program, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Percentage of income contributed by the entity on behalf of designated executives under post employment benefits. + References No definition available. + Details
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Data Type: | num:percentItemType
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- References No definition available. + Details
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- References No definition available. + Details
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