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The amount of increase (decrease) in the fair value measurement of assets, recognised in other comprehensive income before tax, due to a reasonably possible decrease in an unobservable input. [Refer: Tax income (expense)]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 13
-IssueDate 2021-01-01
-Paragraph 93
-Subparagraph h
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2021-en-r&anchor=para_93_h_ii&doctype=Standard
-URIDate 2021-03-24

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The amount of increase (decrease) in the fair value measurement of assets, recognised in other comprehensive income before tax, due to a reasonably possible increase in an unobservable input. [Refer: Tax income (expense)]

Name:	ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputRecognisedInOtherComprehensiveIncomeBeforeTaxAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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The percentage of a reasonably possible decrease on unobservable input used in fair value measurement of assets.

No definition available.

Name:	kgc_PercentageOfReasonablyPossibleDecreaseOnUnobservableInputAssets
Namespace Prefix:	kgc_
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Balance Type:	na
Period Type:	instant

The percentage of a reasonably possible increase on unobservable input used in fair value measurement of assets.

No definition available.