XML 81 R51.htm IDEA: XBRL DOCUMENT
v3.21.1

SIGNIFICANT JUDGMENTS, ESTIMATES AND ASSUMPTIONS (Details) | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) $ / oz $ / bbl | Dec. 31, 2019 $ / oz $ / bbl
Estimated price of gold per ounce (year 1) | $ 1,700 |
Estimated price of gold per ounce (year 2) | 1,700 |
Estimated price of gold per ounce (year 3) | $ 1,500 |
Estimated short-term and long-term prices of gold | $ / oz |  | 1,400
Estimated short-term and long-term prices of silver | $ / oz | 20 | 17.50
Estimated short-term and long-term oil prices | $ / bbl | 55 | 60
Minimum | CGU |  |
Cash flow projection, term | 4 years |
Real discount rate | 3.61% | 3.33%
NAV multiples observed | 0.4 | 0.8
Maximum | CGU |  |
Cash flow projection, term | 17 years |
Real discount rate | 6.82% | 6.97%
NAV multiples observed | 1.5 | 1.7

X
- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2020-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2020-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the estimated long term gold price of year 1. + References No definition available. + Details
Name: | kgc_EstimatedLongTermGoldPriceOfYear1
Namespace Prefix: | kgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the estimated long term gold price of year 2. + References No definition available. + Details
Name: | kgc_EstimatedLongTermGoldPriceOfYear2
Namespace Prefix: | kgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the estimated long term gold price of year 2. + References No definition available. + Details
Name: | kgc_EstimatedLongTermGoldPriceOfYear3
Namespace Prefix: | kgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the estimated short-term and long-term prices of gold. + References No definition available. + Details
Name: | kgc_EstimatedShortTermAndLongTermPricesOfGold
Namespace Prefix: | kgc_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the estimated short-term and long-term oil prices. + References No definition available. + Details
Name: | kgc_EstimatedShortTermAndLongTermPricesOfOil
Namespace Prefix: | kgc_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the estimated short-term and long-term prices of silver. + References No definition available. + Details
Name: | kgc_EstimatedShortTermAndLongTermPricesOfSilver
Namespace Prefix: | kgc_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Fair value of net assets value ratio. + References No definition available. + Details
Name: | kgc_FairValueOfNetAssetsValueRatio
Namespace Prefix: | kgc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the term of cash flow projection. + References No definition available. + Details
Name: | kgc_TermOfCashFlowProjection
Namespace Prefix: | kgc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |