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SHARE-BASED PAYMENTS - Employee share purchase plans (Details) - ESPP | Dec. 31, 2024
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Share-based payment transaction |
Maximum contribution of annual base salary of employees (as a percent) | 10.00%
Employer contributions (as a percent) | 50.00%

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The percentage of employer contributions in share based payment arrangement. + References No definition available. + Details
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Namespace Prefix: | kgc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The maximum percentage of employee contribution of annual base salary to acquire common shares. + References No definition available. + Details
Name: | kgc_PercentageOfMaximumEmployeeContributionOfAnnualBaseSalaryInShareBasedPaymentArrangement
Namespace Prefix: | kgc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kgc_EmployeeSharePurchasePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |