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General - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2015
Restructuring Cost and Reserve [Line Items] |
Description of spin-off | On November 29, 2012, Gold Fields announced the creation of a new South African gold mining company through the listing and subsequent unbundling of its 100% owned subsidiary, Sibanye Gold Limited (“Sibanye Gold”), formerly known as GFI Mining South Africa Proprietary Limited, which holds the KDC and Beatrix gold mines as well as various service companies. The separation of Sibanye Gold from Gold Fields is referred to as the Spin-off. The board of directors of Gold Fields, or the Board, passed the resolution necessary to implement the Spin-off on December 12, 2012 and the Spin-off was completed on February 18, 2013.
Sibanye Spin-off | Sibanye Gold Limited [Member] |
Restructuring Cost and Reserve [Line Items] |
Ownership percentage in subsidiary | 100.00%

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- Definition Description of a specific restructuring plan and related activities including the facts and circumstances leading to the restructuring or decision to exit an activity, and the expected completion date. This concept and related items would be utilized for each plan if multiple exit plans have been implemented in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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