The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2023-01-01
-Paragraph 70
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_70_b&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_AdjustedWeightedAverageShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed exercise of the entity's share options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 33
-IssueDate 2023-01-01
-Paragraph 70
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_70_b&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- 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

Name:	ifrs-full_EarningsPerShareLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of income from continuing operations attributable to owners of the parent. [Refer: Continuing operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 5
-IssueDate 2023-01-01
-Paragraph 33
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2023-en-r&anchor=para_33_d&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_IncomeFromContinuingOperationsAttributableToOwnersOfParent
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The profit (loss) attributable to ordinary equity holders of the parent entity. [Refer: Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2023-01-01
-Paragraph 70
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2023-en-r&anchor=para_70_a&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)]

+ References

+ Details

Name:	ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The weighted average share price. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 45
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_c&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_WeightedAverageSharePrice2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

+ References

+ Details

Name:	ifrs-full_WeightedAverageShares
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's restricted performance shares.

+ References

No definition available.

+ Details

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

- Definition

The number of dilutive potential ordinary shares that relate to the assumed exercise of the entity's restricted shares.

+ References

No definition available.

+ Details

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

- Definition

This concept does not have any references.

+ References

No definition available.

+ Details

Name:	kgc_ExcludedAdjustedWeightedAverageSharesDilutionAbstract
Namespace Prefix:	kgc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

No definition available.

+ Details

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

- Details

Name:	ifrs-full_ContinuingAndDiscontinuedOperationsAxis=ifrs-full_DiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ContinuingAndDiscontinuedOperationsAxis=ifrs-full_AggregateContinuingAndDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kgc_IfrsShareBasedPaymentArrangementOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kgc_IfrsRestrictedStockUnitsRsusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kgc_RestrictedPerformanceShareUnitsRpsuMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

EARNINGS (LOSS) PER SHARE (Details) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
	Feb. 23, 2022 $ / shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2023 $ / shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2022 $ / shares
Earnings per share
Basic net earnings (loss) attributable to common shareholders \| $		$ 416.3		$ 31.9
Basic weighted average shares outstanding		1,226,985		1,280,531
Weighted average shares dilution adjustments:
Stock options		822		3,825
Restricted share units		3,554		3,416
Restricted performance share units		5,309		5,039
Diluted weighted average shares outstanding		1,236,670		1,292,811
Weighted average shares dilution adjustments - exclusions:
Share price \| $ / shares	$ 7.01	$ 4.88		$ 4.41
Discontinued operations
Earnings per share
Basic net earnings (loss) attributable to common shareholders \| $				$ (637.1)
Diluted net earnings (loss) attributable to common shareholders \| $				(637.1)
Aggregate continuing and discontinued operations
Earnings per share
Basic net earnings (loss) attributable to common shareholders \| $		$ 416.3		(605.2)
Diluted net earnings (loss) attributable to common shareholders \| $		$ 416.3		$ (605.2)
Basic weighted average shares outstanding		1,226,985		1,280,531
Stock options
Weighted average shares dilution adjustments - exclusions:
Weighted average shares dilution adjustments - exclusions		249		3,102
Share price \| (per share)		$ 4.88	$ 5.61	$ 4.41	$ 6.89
RSUs
Weighted average shares dilution adjustments - exclusions:
Weighted average shares dilution adjustments - exclusions		2,459		1,911
RPSUs
Weighted average shares dilution adjustments - exclusions:
Weighted average shares dilution adjustments - exclusions		3,785		3,172