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Mining and Income Taxation - Summary of Domestic and Foreign Current Tax Rates (Parenthetical) (Detail)
3 Months Ended 12 Months Ended
Mar. 17, 2016
Mar. 16, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of Domestic and Foreign Current Tax Rate [Line Items]          
Corporate tax rate     30.00% 30.00%  
Mining Tax [Member]          
Disclosure of Domestic and Foreign Current Tax Rate [Line Items]          
Effective mining tax rate for Gold Fields Operations Limited, GFI Joint Venture Holdings (Proprietary) Limited and owners of South Deep Mine     30.00% 30.00% 30.00%
South African - Components of Mining and Income Tax [Member]          
Disclosure of Domestic and Foreign Current Tax Rate [Line Items]          
Corporate tax rate 32.50% 35.00%