The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2023-01-01
-Paragraph 130
-Subparagraph g
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_g&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

The amount of reversal of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Reversal of impairment loss recognised in profit or loss; Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2023-01-01
-Paragraph 73
-Subparagraph e
-Clause vi
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2023-en-r&anchor=para_73_e_vi&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 98
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_98_a&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The estimated long term gold price per ounce

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermGoldPricePerOunce
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Estimated long term gold price per ounce year one.

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermGoldPricePerOunceYearOne
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Estimated long term gold price per ounce year three.

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermGoldPricePerOunceYearThree
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Estimated long term gold price per ounce year two.

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermGoldPricePerOunceYearTwo
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The estimated long term gold price per barrel.

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermOilPricePerBarrel
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Estimated long term oil price per barrel year one.

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermOilPricePerBarrelYearOne
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Estimated long term oil price per barrel year three.

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermOilPricePerBarrelYearThree
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Estimated long term oil price per barrel year two.

+ References

No definition available.

+ Details

Name:	kgc_EstimatedLongTermOilPricePerBarrelYearTwo
Namespace Prefix:	kgc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of impairment (reversals) charges recognized in profit or loss.

+ References

No definition available.

+ Details

Name:	kgc_ImpairmentChargesReversalsAndDerecognition.
Namespace Prefix:	kgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value of property, plant and equipment of the cash generating unit (CGU).

+ References

No definition available.

+ Details

Name:	kgc_PropertyPlantAndEquipmentCarryingValue
Namespace Prefix:	kgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount that represents the difference between in tax expense (income) due to reversal of impairment loss.

+ References

No definition available.

+ Details

Name:	kgc_TaxEffectFromImpairmentReversalOnIncomeTaxExpenseBenefit
Namespace Prefix:	kgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=kgc_RoundMountainGoldCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=kgc_CompaniaMineraMantosDeOroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

IMPAIRMENT (REVERSAL) CHARGE - Property, plant and equipment (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Impairment charges
Impairment (reversal) charge		$ (74.1)	$ 38.9
Accumulated depreciation, depletion, amortization and impairment
Impairment charges
Impairment reversal		74.1
Round Mountain
Impairment charges
Impairment reversal		$ 74.1
Impairment (reversal) charge	$ (74.1)
Impairment reversal on income tax expense	0.7
Carrying amounts of property, plant and equipment	464.5
Estimated long term gold price 2024			$ 2,300	$ 1,700
Estimated long term gold price 2025			2,300	1,700
Estimated long term gold price 2026			2,200	1,700
Estimated long term gold price per ounce			$ 2,000	$ 1,600
Discount rate used in current estimate of value in use			5.02%	5.20%
Compania Minera Mantos de Oro
Impairment charges
Impairment reversal	$ 0.0
Estimated long term oil price 2024			$ 80
Estimated long term oil price 2025			70
Estimated long term oil price 2026			70
Estimated long term oil price per barrel			$ 70
Discount rate used in current estimate of value in use			10.40%