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Unredeemed Capital Expenditure (Detail) (South African Mining Operations, USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Tax Credit Carryforward [Line Items]    
Unredeemed capital expenditure $ 2,923.1 $ 3,116.5
Gold Fields Operations
   
Tax Credit Carryforward [Line Items]    
Unredeemed capital expenditure 692.3 724.3
GFI Joint Venture Holdings
   
Tax Credit Carryforward [Line Items]    
Unredeemed capital expenditure 1,779.9 1,885.4
Gold Fields La Cima
   
Tax Credit Carryforward [Line Items]    
Unredeemed capital expenditure $ 450.9 [1] $ 506.8 [1]
[1] The estimated capital allowances do not have an expiration date. Gold Fields La Cima, or La Cima, currently has no tax losses available for utilization against future profits.