XML 393 R208.htm IDEA: XBRL DOCUMENT v3.20.1

Changes in Significant Accounting Policies - Additional Information (Detail) - IFRS 16 $ in Millions	Jan. 01, 2019 USD ($)
Disclosure Of Changes In Sigificant Accounting Policies [line items]
Additions to right of use assets	$ 209.6
Additional To lease liabilities	$ 209.6

X

- Definition

Additional To lease liabilities.

+ References

No definition available.

+ Details

Name:	gfi_AdditionalToLeaseLiabilities
Namespace Prefix:	gfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Disclosure Of Changes In Sigificant Accounting Policies [line items]

+ References

No definition available.

+ Details

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

X

- Definition

The amount of additions to right-of-use assets. [Refer: Right-of-use assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2019-01-01
-Paragraph 53
-Subparagraph h
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_53_h&doctype=Standard
-URIDate 2019-03-27

+ Details

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

X

- Details

Name:	ifrs-full_NewIFRSsAxis=gfi_IFRSSixteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: