SHARE-BASED PAYMENTS - Restricted share plans (Details) - Restricted share plan shares in Millions	12 Months Ended
Dec. 31, 2024 shares
Share-based payment transaction
Number of common shares available for grant of options	16.6
Maximum
Share-based payment transaction
Shares authorized (in shares)	50.0

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

No definition available.

Name:	kgc_IfrsShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	kgc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration