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Valuation Allowance for Deferred Tax Assets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Valuation Allowance [Line Items]
Valuation allowance for deferred tax assets	$ 330.2		$ 324.4
Orogen Investments SA (Luxembourg)
Valuation Allowance [Line Items]
Valuation allowance for deferred tax assets	41.0		37.9
Gold Fields Arctic Platinum Oy
Valuation Allowance [Line Items]
Valuation allowance for deferred tax assets	23.2		28.8
Living Gold (Pty) Limited
Valuation Allowance [Line Items]
Valuation allowance for deferred tax assets		[1]	4.8	[1]
GFI Joint Venture Holdings
Valuation Allowance [Line Items]
Valuation allowance for deferred tax assets	266.0		252.3
Other
Valuation Allowance [Line Items]
Valuation allowance for deferred tax assets			$ 0.6
[1] Valuation allowance not raised at December 31, 2013 as it was distributed as part of the Sibanye Gold spin-off.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

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