Average strike price.

No definition available.

Name:	gfi_AverageStrikePrice
Namespace Prefix:	gfi_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represents information about financial risk management.

+ References

No definition available.

+ Details

Name:	gfi_DisclosureOfFinancialRiskManagementLineItems
Namespace Prefix:	gfi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Unrealized Gain (loss) on hedge ineffectiveness

+ References

No definition available.

+ Details

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

- Definition

The gains (losses) on the ineffective portion of hedges of net investments in foreign operations recognised in profit or loss. [Refer: Hedges of net investment in foreign operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 24
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_24_c&doctype=Standard&book=b
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_GainsLossesOnIneffectivenessOfHedgesOfNetInvestmentsInForeignOperations
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of a hedging instrument, recognised as a liability. [Refer: Hedging instruments [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 24A
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_24A_a&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_HedgingInstrumentLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of risk exposure associated with financial instruments with a shared characteristic that identifies a concentration of risks. [Refer: Financial instruments, class [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph B8
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_B8_c&doctype=Appendix&subtype=B
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_RiskExposureAssociatedWithInstrumentsSharingCharacteristic
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	srt_CurrencyAxis=currency_CLP
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_AU
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	ifrs-full_TypesOfHedgesAxis=gfi_SalaresNortesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Risk Management Activities - Market Risk - Foreign Currency - Narrative (Detail) $ in Millions							12 Months Ended
	Mar. 31, 2020 USD ($) $ / $	Dec. 31, 2018 USD ($) $ / USD	Oct. 31, 2018 USD ($) $ / USD	Sep. 30, 2018 USD ($) $ / USD	Jun. 30, 2018 USD ($) $ / USD	May 31, 2018 $ / USD	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 AUD ($)	Dec. 31, 2020 AUD ($)	May 30, 2018 USD ($)
Disclosure of Financial Risk Management [line items]
Term loan and revolving credit facility							$ 1,200,000,000
Chile, Pesos
Disclosure of Financial Risk Management [line items]
Average strike rate \| $ / $	836.45
Currency risk
Disclosure of Financial Risk Management [line items]
Exposure to risk relating to financial instruments							0
Currency risk \| Australia
Disclosure of Financial Risk Management [line items]
Average strike rate \| $ / USD		0.7150	0.7075	0.7182	0.7330	0.7517
Currency risk \| Forward contract \| Salares Nortes
Disclosure of Financial Risk Management [line items]
Term loan and revolving credit facility	$ 544,500,000
Mark to market value, liabilities							0	$ 6,800,000
Gains (losses) on ineffectiveness of hedges of net investments in foreign operations recognised in profit or loss							(4,700,000)	32,900,000
Mark to market value, liabilities							0	6,800,000
Unrealized gain (loss) on hedge ineffectiveness							$ 6,800,000	$ (92,900,000)
Currency risk \| Forward contract \| Australia
Disclosure of Financial Risk Management [line items]
Term loan and revolving credit facility		$ 50,000,000	$ 60,000,000	$ 100,000,000	$ 60,000,000							$ 96,000,000
Mark to market value, liabilities									$ 0		$ 0.0
Gains (losses) on ineffectiveness of hedges of net investments in foreign operations recognised in profit or loss									(300,000)	$ (0.4)
Mark to market value, liabilities									$ 0		$ 0.0