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

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2017-01-01
-Paragraph 17
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_17&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_KeyManagementPersonnelCompensation
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of compensation to key management personnel in the form of cash compensation - salaries, short-term incentives, and other benefits.

No definition available.

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

The amount of compensation to key management personnel in the form of long-term incentives, including share-based payments.

No definition available.

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

The amount of compensation to key management personnel in the form of termination and post-retirement benefits.

No definition available.

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

The amount of dividends received in related party transactions.

No definition available.