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Acquisition and Disposal of Businesses - Additional Information (Detail)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 12 Months Ended 0 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended 1 Months Ended 0 Months Ended
Sep. 30, 2013
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2013
Tarkwa Mine
USD ($)
Dec. 31, 2013
Damang
USD ($)
Jun. 22, 2011
Ghana
USD ($)
Jun. 22, 2011
Ghana
Tarkwa Mine
Jun. 21, 2010
Ghana
Tarkwa Mine
Jun. 22, 2011
Ghana
Damang
Jun. 21, 2010
Ghana
Damang
Sep. 20, 2010
Far South East Project [Member]
The Philippines
Sep. 30, 2010
Far South East Project [Member]
The Philippines
USD ($)
Sep. 30, 2010
Far South East Project [Member]
The Philippines
Lepanto Consolidated Mining Company
USD ($)
Dec. 31, 2012
Far South East Project [Member]
The Philippines
Liberty Express Assets
USD ($)
Dec. 31, 2011
Far South East Project [Member]
The Philippines
Liberty Express Assets
USD ($)
Dec. 31, 2010
Far South East Project [Member]
The Philippines
Liberty Express Assets
USD ($)
Jun. 22, 2011
IAMGold Corporation
Ghana
Tarkwa Mine
Jun. 22, 2011
IAMGold Corporation
Ghana
Damang
Mar. 22, 2011
Gold Fields La Cima
USD ($)
Dec. 31, 2013
Gold Fields La Cima
USD ($)
Dec. 31, 2012
Gold Fields La Cima
USD ($)
Mar. 21, 2011
Gold Fields La Cima
Jan. 31, 2013
Mankayan Project-Bezant Resources
The Philippines
USD ($)
Dec. 31, 2013
Mankayan Project-Bezant Resources
The Philippines
USD ($)
Nov. 30, 2013
Mankayan Project-Bezant Resources
The Philippines
Non-refundable option payment to Bezant
USD ($)
Jan. 31, 2014
Mankayan Project-Bezant Resources
The Philippines
Subsequent Event
USD ($)
Jan. 31, 2014
Mankayan Project-Bezant Resources
The Philippines
Subsequent Event
Scenario, Forecast
USD ($)
Sep. 30, 2013
Yilgarn South
USD ($)
Sep. 30, 2013
Yilgarn South
ZAR
Sep. 30, 2013
Yilgarn South
ADR's
Feb. 18, 2013
Sibanye Gold [Member]
Significant Acquisitions and Disposals [Line Items]                                                                
Description of spin-off Distribution ratio                                                               The Spin-off was achieved by way of Gold Fields making a distribution on a pro rata basis of one Sibanye Gold ordinary share for every one Gold Fields share (whether held in the form of shares, American depositary receipts, or ADRs, or international depositary receipts) to Gold Fields shareholders, registered as such in Gold Fields' register at close of business on February 15, 2013, in terms of section 46 of the South African Companies Act and section 46 of the South African Income Tax Act.
Terms of option agreement to acquire undeveloped gold-copper Far Southeast (FSE) deposit                       18 months                                        
Options fees paid                           $ 10.0                     $ 7.0   $ 2.5          
Non-refundable down payments for a 60% interest in FSE                             110.0 66.0 44.0                              
Final Payment for a 60% interest in FSE                             110.0                                  
Percentage interest to be acquired in undeveloped gold-copper Far Southeast (FSE) deposit under option agreement with Lepanto Consolidated Mining Company and Liberty Express Assets                         60.00%                                      
Pre-agreed acquisition price for a percentage interest in a Company                         340.0                       63.0              
Option purchased to acquire share capital of Asean, expiration date                                                 Jan. 31, 2013   Jan. 31, 2014          
Revised acquisition price to obtain interest in Company                                                       60.5        
Business acquisition amount of stake holders 135.0 135.0                                           7.5         135.0      
Asset impairment charge   215.3 41.6 9.5 2.4 16.1                                       9.5            
Percentage of ownership interest acquired                                   18.90% 18.90%   0.93% 0.10%                    
Business acquisition amount of cash consideration   12.8 10.8 1,055.6     667.0                         382.0 12.8 0.8                    
Percentage of ownership interest in a subsidiary               90.00% 71.10% 90.00% 71.10%                 98.50%     80.70%                  
Ownership interest held by government of Ghana               10.00%   10.00%                                            
Increase in shareholding                                         99.53%                      
Total net consideration 262.3                                                       262.3      
Business acquisition common shares issuable 28,700,000                                                       28,700,000      
Business acquisition deposit paid                                                         30.0      
Volume-weighted average price trading time horizon on NYSE                                                             5 days  
Business combination reason for business combination                                                         Taking control of the acquired mines has enabled the Group to increase its production profile in Australia and to obtain cost efficiencies through the integration of the Lawlers and the existing Agnew gold mines.      
Contributed revenue by Yilgarn South assets                                                         151.3      
Loss after tax by Yilgarn South assets                                                         4.1      
Transaction costs                                                         $ 27.4      
Acquisition agreement date                                                         Oct. 01, 2013      
Shares issued price per share                                                           44.8