XML 102 R65.htm IDEA: XBRL DOCUMENT v3.19.1

FAIR VALUE MEASUREMENT - Energy swap contracts (Details) - WTI oil swap contracts $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) item $ / bbl bbl	Dec. 31, 2017 USD ($)
Financial Instruments
Unrealized gain (loss) on derivative instruments | $	$ (7.5)	$ 9.8
2019
Financial Instruments
WTI oil swap contracts (barrels)	864,451
Average price | item	51.73
2020
Financial Instruments
WTI oil swap contracts (barrels)	590,400
Average price | item	56.21
2021
Financial Instruments
WTI oil swap contracts (barrels)	174,000
Average price | item	58.84
2020, 2021
Financial Instruments
WTI oil swap contracts (barrels)	944,400
Average price | $ / bbl	56.95

X

- Definition

The average price of a hedging instrument. [Refer: Hedging instruments [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2018-01-01
-Paragraph 23B
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_23B_b&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_AveragePriceOfHedgingInstrument
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

X

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	kgc_IfrsDerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix:	kgc_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The gain (loss) on derivative financial instrument.

+ References

No definition available.

+ Details

Name:	kgc_UnrealizedGainLossOnDerivativeFinancialInstruments
Namespace Prefix:	kgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=kgc_OilSwapContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: