XML 485 R207.htm IDEA: XBRL DOCUMENT
v3.19.1

Related parties - Summary of Remuneration to Related Parties (Parenthetical) (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
N Holland [Member] |  |
Disclosure of transactions between related parties [line items] |  |
Salary paid, executive directors and prescribed officers | $ 406,700 | $ 396,500
P Schmidt [Member] |  |
Disclosure of transactions between related parties [line items] |  |
Salary paid, executive directors and prescribed officers | 124,150 | 121,000
B Mattison [Member] |  |
Disclosure of transactions between related parties [line items] |  |
Salary paid, executive directors and prescribed officers | $ 88,217 | $ 86,000

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
- 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: |