XML 463 R201.htm IDEA: XBRL DOCUMENT v3.21.1

Related parties - Summary of Remuneration to Related Parties (Parenthetical) (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
MSR Policy [Member]
Disclosure of transactions between related parties [line items]
Deferred In Bonus Percentage Related To Defined Benefit Plan	40.00%
Deferred Cash Bonus Conversion Into Restricted Shares	$ 78,398	$ 77,955
Annual Performance Bonus	195,995	194,888
N Holland [Member]
Disclosure of transactions between related parties [line items]
Salary paid, executive directors and prescribed officers	424,550	416,670
P Schmidt [Member]
Disclosure of transactions between related parties [line items]
Salary paid, executive directors and prescribed officers	129,600	127,190
B Mattison [Member]
Disclosure of transactions between related parties [line items]
Salary paid, executive directors and prescribed officers	92,100	90,370
S Reid [Member] | Non Executive Directors [member]
Disclosure of transactions between related parties [line items]
Services received from related party	34,960	14,351
A Andani [Member] | Non Executive Directors [member]
Disclosure of transactions between related parties [line items]
Services received from related party	$ 69,682	$ 70,021

X

- Definition

Annual performance bonus .

+ References

No definition available.

+ Details

Name:	gfi_AnnualPerformanceBonus
Namespace Prefix:	gfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Deferred cash bonus conversion into restricted shares.

+ References

No definition available.

+ Details

Name:	gfi_DeferredCashBonusConversionIntoRestrictedShares
Namespace Prefix:	gfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Deferred in bonus percentage related to defined benefit plan.

+ References

No definition available.

+ Details

Name:	gfi_DeferredInBonusPercentageRelatedToDefinedBenefitPlan
Namespace Prefix:	gfi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The Cash outflow for payments to executive directors and Prescribed officers.

+ References

No definition available.

+ Details

Name:	gfi_PaymentsToExecutiveDirectorsAndPrescribedOfficers
Namespace Prefix:	gfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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

X

- Definition

The amount of services received in related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2020-01-01
-Paragraph 21
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2020-en-r&anchor=para_21_c&doctype=Standard
-URIDate 2020-01-01

+ Details

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

X

- Details

Name:	gfi_PerformanceConditionAxis=gfi_MsrPolicyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gfi_TitleOfIndividual1Axis=gfi_NhollandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gfi_TitleOfIndividual1Axis=gfi_PschmidtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gfi_TitleOfIndividual1Axis=gfi_BmattisonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gfi_TitleOfIndividual1Axis=gfi_SreidMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=gfi_IndependentNonExecutiveDirectorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gfi_TitleOfIndividual1Axis=gfi_AandaniMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: