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Mining and Income Taxation - Summary of Estimated Available for Set-off Against Future Income Pre Tax (Detail)
R in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2021
ZAR (R)
Dec. 31, 2020
ZAR (R)
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Period that tax losses may be utilized 5 years      
Damang | Deferred tax assets recognized        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Total tax losses   $ 44.5    
Deferred tax assets assessed losses recognised $ 0.0 8.9    
Deferred tax assets losses on financial instruments not recognised 31.5 35.6    
South African taxation        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 1,485.9 1,645.9 R 23,685.6 R 24,178.8
Gross tax losses 102.6 206.6 1,636.4 3,034.8
Gross tax losses not recognised 9.0 3.6 143.3 53.0
International operations        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 458.3 0.0    
Gross tax losses 439.4 566.5    
Gross tax losses not recognised 351.8 557.6    
Gold Fields Operations Limited | South African taxation        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 658.2 675.8 10,492.3 9,927.8
Gross tax losses 46.8 150.7 746.4 2,213.8
Gross tax losses not recognised 0.0 0.0 0.0 0.0
GFI Joint Venture Holdings (Proprietary) Limited | South African taxation        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 827.7 970.1 13,193.3 14,251.0
Gross tax losses 46.8 52.3 746.7 768.0
Gross tax losses not recognised 0.0 0.0 0.0 0.0
Gold Fields Holdings Company Limited | South African taxation        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 0.0 0.0 0.0 0.0
Gross tax losses 9.0 3.6 143.3 53.0
Gross tax losses not recognised 9.0 3.6 R 143.3 R 53.0
Exploration entities        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Total tax losses 227.6 231.2    
Exploration entities | Expiring between 1 and 2 years        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Total tax losses 3.1 3.8    
Exploration entities | Expiring between 2 and 5 years        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Total tax losses 4.3 1.9    
Exploration entities | Expiring between 5 and 10 years        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Total tax losses 1.2 2.6    
Exploration entities | Expiring after 10 years        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Total tax losses 180.4 180.4    
Exploration entities | No expiry        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Total tax losses 38.6 42.5    
Exploration entities | International operations        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 0.0 0.0    
Gross tax losses 227.6 231.2    
Gross tax losses not recognised 227.6 231.2    
Minera Gold Fields Salares Norte | International operations        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 458.3 0.0    
Gross tax losses 87.6 205.8    
Gross tax losses not recognised 0.0 205.8    
Gold Fields La Cima SA | International operations        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 0.0 0.0    
Gross tax losses 45.8 0.0    
Gross tax losses not recognised 45.8 0.0    
Abosso Goldfields Limited | Expiring in 3 years        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Tax losses expiration value 31.5 8.9    
Abosso Goldfields Limited | Expiring in 4 years        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Tax losses expiration value 46.9 35.1    
Abosso Goldfields Limited | Expiring in 5 years        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Tax losses expiration value 0.0 85.5    
Abosso Goldfields Limited | International operations        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 0.0 0.0    
Gross tax losses 31.5 44.5    
Gross tax losses not recognised 31.5 35.6    
Gold Fields Ghana Limited | International operations        
Disclosure of Estimated Amount Available for Set Off Against Future Income Pretax [Line Items]        
Gross unredeemed capital expenditure 0.0 0.0    
Gross tax losses 46.9 85.0    
Gross tax losses not recognised $ 46.9 $ 85.0