XML 143 R136.htm IDEA: XBRL DOCUMENT v3.8.0.1

Assets Held for Sale - Assets Held for Sale (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015	[1]
Assets Held For Sale [Line Items]
Impairment loss		$ 7.6
Carrying value	$ 4,892.9	4,524.6	[1]	$ 4,295.6
Damang Mining Fleet and Related Spare [Member]
Assets Held For Sale [Line Items]
Carrying value of mining fleet	18.6
Carrying value of related spared	7.8
APP [Member]
Assets Held For Sale [Line Items]
Carrying value	$ 40.0	$ 1.0
Refiner royalty	2.00%
[1] As Restated - Refer note 40 for further details.

X

- Definition

Line items for assets held for sale table.

+ References

No definition available.

+ Details

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

X

- Definition

Impairment loss as per IFRS 5.

+ References

No definition available.

+ Details

Name:	gfi_ImpairmentLossOnNoncurrentAssetsHeldForSale
Namespace Prefix:	gfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Inventories reclassified to non current assets held for sale.

+ References

No definition available.

+ Details

Name:	gfi_InventoriesReclassifiedToNonCurrentAssetsHeldForSale
Namespace Prefix:	gfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Property plant and equipment reclassified to non current assets held for sale.

+ References

No definition available.

+ Details

Name:	gfi_PropertyPlantAndEquipmentReclassifiedToNonCurrentAssetsHeldForSale
Namespace Prefix:	gfi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The effective rate of royalty tax payable.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2017-01-01
-Paragraph 73
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard
-URIDate 2017-03-09

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 54
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_a&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_PropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=gfi_DamangMiningFleetAndRelatedSpareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=gfi_AppMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: