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Borrowings - Schedule of Borrowings (Detail)
R in Millions, $ in Millions, $ in Millions
 1 Months Ended 12 Months Ended
Jul. 25, 2019
USD ($)
tranche
May 09, 2019
USD ($)
Jul. 31, 2021
USD ($)
Jul. 31, 2020
USD ($)
May 27, 2019
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2021
AUD ($)
Dec. 31, 2021
ZAR (R)
Sep. 27, 2021
USD ($)
Apr. 15, 2021
USD ($)
Nov. 23, 2020
AUD ($)
Nov. 19, 2020
AUD ($)
Dec. 31, 2019
USD ($)
May 24, 2019
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 1,200.0                    
Borrowings           1,078.1 $ 1,526.9                  
Current borrowings           0.0 (83.5)                  
Non-current borrowings           1,078.1 1,443.4                  
Total proceeds from issue of notes and debentures   $ 1,000.0                            
Average borrowings interest rate   5.625%                            
Term loan and revolving credit facility $ 1,290.0                              
Revolving credit facility | Gold Fields Ghana Holdings                                
Disclosure of detailed information about borrowings [line items]                                
Revolving credit facilities $ 1,200.0                              
Number of tranches of borrowings | tranche 2                              
Borrowings extension term, exercised       1 year                        
Revolving credit facility | Gold Fields Ghana Holdings | – within one year                                
Disclosure of detailed information about borrowings [line items]                                
Borrowings extension term, exercised     1 year                          
Revolving credit facility | Gold Fields Ghana Holdings | – later than one year and not later than two years                                
Disclosure of detailed information about borrowings [line items]                                
Borrowings extension term, exercised     2 years                          
the 2020 notes                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           1,000.0                    
Borrowings         $ 250.0 $ 0.0 0.0                  
Nominal Interest rate           4.875%     4.875% 4.875%            
Purchase of notes, amount           $ 147.6                    
Purchase price per US$1,000             880.0                  
Profit (loss) on buy back of notes         $ (5.0)     $ 17.7                
Percentage at shares repurchased         102.00%                     101.73%
the 5-year notes                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 500.0 $ 500.0                  
Borrowings maturity, term           5 years 5 years                  
Borrowings           $ 497.9 $ 497.0                  
Nominal Interest rate           5.125%     5.125% 5.125%            
the 10-year notes                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 500.0 $ 500.0                  
Borrowings maturity, term           10 years 10 years                  
Borrowings           $ 496.7 $ 496.4                  
Nominal Interest rate           6.125%     6.125% 6.125%            
US$150 million revolving senior secured credit facility - old                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 150.0                    
Borrowings           $ 0.0 83.5                  
Nominal Interest rate           2.80%     2.80% 2.80%            
Commitment fee           0.50%     0.50% 0.50%            
US$150 million revolving senior secured credit facility - old | Revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings                       $ 150.0        
US$150 million revolving senior secured credit facility - new                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 150.0                    
Borrowings           $ 83.5 0.0                  
Nominal Interest rate           1.40%     1.40% 1.40%            
Commitment fee           0.50%     0.50% 0.50%            
US$150 million revolving senior secured credit facility - new | Revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings                       $ 150.0        
US$100 million revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 100.0                    
Borrowings           $ 0.0 0.0                  
Nominal Interest rate           2.75%     2.75% 2.75%            
Commitment fee           0.90%     0.90% 0.90%            
US$100 million revolving credit facility | Revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings                     $ 100.0          
AU $ 500 million syndicated revolving credit facility - old                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings                 $ 500              
Borrowings           $ 0.0 0.0                  
Nominal Interest rate           2.175%     2.175% 2.175%            
Commitment fee           0.87%     0.87% 0.87%            
AU $ 500 million syndicated revolving credit facility - old | Revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings                           $ 500    
AU $ 500 million syndicated revolving credit facility - new                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings                 $ 500              
Borrowings           $ 0.0 200.0                  
Nominal Interest rate           2.20%     2.20% 2.20%            
Commitment fee           0.88%     0.88% 0.88%            
AU $ 500 million syndicated revolving credit facility - new | Revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings                 $ 500       $ 500      
US$ 1200 million revolving credit facilities                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 1,200.0                    
Borrowings           0.0 250.0               $ 0.0  
US$ 1200 million revolving credit facilities | Gold Fields Ghana Holdings                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     $ 1,200.0 $ 1,200.0                        
US$ 1200 million revolving credit facilities | Revolving credit facility | Gold Fields Ghana Holdings                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     1,055.0 870.0                        
US$ 1200 million revolving credit facilities | Revolving credit facility | Gold Fields Ghana Holdings | – within one year                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     960.0                          
US$ 1200 million revolving credit facilities | Revolving credit facility | Gold Fields Ghana Holdings | – later than one year and not later than two years                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     95.0                          
Facility A                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 600.0                    
Borrowings maturity, term           3 years                    
Borrowings           $ 0.0 250.0                  
Nominal Interest rate           1.45%     1.45% 1.45%            
Commitment fee           0.51%     0.51% 0.51%            
Facility A | Revolving credit facility | Gold Fields Ghana Holdings | – within one year                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     600.0 600.0                        
Facility A | Revolving credit facility | Gold Fields Ghana Holdings | – later than one year and not later than two years                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings       435.0                        
Facility A | Revolving credit facility | Gold Fields Ghana Holdings | Later than 1 year and not later than 3 years                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     550.0                          
Facility B                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           $ 600.0                    
Borrowings maturity, term           5 years                    
Borrowings           $ 0.0 0.0                  
Nominal Interest rate           1.70%     1.70% 1.70%            
Commitment fee           0.60%     0.60% 0.60%            
Facility B | Revolving credit facility | Gold Fields Ghana Holdings | – later than one year and not later than two years                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings       600.0                        
Facility B | Revolving credit facility | Gold Fields Ghana Holdings | Later than 1 year and not later than 3 years                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     600.0                          
Facility B | Revolving credit facility | Gold Fields Ghana Holdings | – later than two years and not later than three years                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings       $ 435.0                        
Facility B | Revolving credit facility | Gold Fields Ghana Holdings | – later than three years and not later than five years                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings     $ 505.0                          
R 1,500 million Nedbank revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings | R                   R 1,500            
Borrowings           $ 0.0 0.0                  
Nominal Interest rate           2.80%     2.80% 2.80%            
Commitment fee           0.90%     0.90% 0.90%            
R 500 million Merchant Bank revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings | R                   R 500            
Borrowings           $ 0.0 0.0                  
Nominal Interest rate           2.15%     2.15% 2.15%            
Commitment fee           0.71%     0.71% 0.71%            
R 500 million Absa Bank revolving credit facility                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings | R                   R 500            
Borrowings           $ 0.0 0.0                  
Nominal Interest rate           2.20%     2.20% 2.20%            
Commitment fee           0.77%     0.77% 0.77%            
Short-term Rand uncommitted credit facilities                                
Disclosure of detailed information about borrowings [line items]                                
Borrowings           $ 0.0 0.0                  
Us Five Hundred Million Five Year Notes                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           500.0                    
Nominal Interest rate   5.125%                            
Unamortized transaction costs           2.1 3.0                  
US$500 million 10-year notes issue (the 10-year notes)                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings           500.0                    
Nominal Interest rate   6.125%                            
Unamortized transaction costs           $ 3.3 $ 3.6                  
3 year revolving credit facility | Revolving credit facility | Gold Fields Ghana Holdings | Tranche 1                                
Disclosure of detailed information about borrowings [line items]                                
Borrowings maturity, term 3 years                              
Remaining borrowings $ 600.0                              
Extension term 2 years                              
5 year revolving credit facility | Revolving credit facility | Gold Fields Ghana Holdings | Tranche 2                                
Disclosure of detailed information about borrowings [line items]                                
Borrowings maturity, term 5 years                              
Extension term 2 years                              
Current borrowings $ 600.0                              
US$1,290 million term loan and revolving credit facilities | Revolving credit facility | Gold Fields Ghana Holdings                                
Disclosure of detailed information about borrowings [line items]                                
Face amount of borrowings   $ 1,290.0