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Directors Affected by Gold Fields Management Scheme Modification (Detail) (Stock Appreciation Rights, The Gold Fields Limited 2005 Share Plan, USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Nicholas J. Holland |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options | 121,428 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorOneMember | 49,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorOneMember
Average instrument price | $ 8.21 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorOneMember | $ 12.80 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorOneMember
Contractual life extended by (years) | 1 month 28 days | 22 days
Paul Schmidt |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options | 75,082 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorTwoMember | 43,310 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorTwoMember
Average instrument price | $ 8.56 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorTwoMember | $ 12.68 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_StockAppreciationRightsSARSMember / us-gaap_PlanNameAxis = gfi_GfLimitedTwoThousandAndFiveSharePlanMember / us-gaap_TitleOfIndividualAxis = gfi_ExecutiveDirectorTwoMember
Contractual life extended by (years) | 2 months 1 day | 22 days

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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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