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Directors Affected by Gold Fields Management Scheme Modification (Detail) (Gold Fields Management Incentive Scheme [Member])											12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2012 ZAR	Dec. 31, 2011 USD ($)	Dec. 31, 2011 ZAR	Dec. 31, 2010 USD ($)	Dec. 31, 2010 ZAR	Jun. 30, 2010 USD ($)	Jun. 30, 2010 ZAR	Jun. 30, 2009 USD ($)	Jun. 30, 2009 ZAR	Dec. 31, 2012 Gold Fields Limited 2005 Share Plan [Member] Nicholas J. Holland USD ($)	Dec. 31, 2012 Gold Fields Limited 2005 Share Plan [Member] Nicholas J. Holland ZAR	Dec. 31, 2012 Gold Fields Limited 2005 Share Plan [Member] Paul Schmidt USD ($)	Dec. 31, 2012 Gold Fields Limited 2005 Share Plan [Member] Paul Schmidt ZAR
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options	75,500	75,500	311,225	311,225	976,533	976,533	1,352,633	1,352,633	2,304,421	2,304,421	49,000	49,000	43,310	43,310
Average instrument price (cps)	$ 10.09	86.51	$ 9.04	73.48	$ 11.24	75.85	$ 10.06	76.15	$ 9.58	77.20	$ 12.80	109.66	$ 12.68	108.67
Contractual life extended by (years)											22 days	22 days	22 days	22 days

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Name Accounting Standards Codification

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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