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Mining and Income Taxation - Summary of Components of Mining and Income Tax (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of Components of Mining and Income Tax [Line Items]      
Dividend withholding tax $ (29.5) $ (5.9) $ (2.9)
– deferred taxation 23.7 (66.0) 15.0
– current taxation (448.6) (366.5) (190.6)
Total mining and income taxation (424.9) (432.5) (175.6)
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Taxation on profit before taxation at maximum South African statutory mining tax rate (426.5) (400.5) (119.1)
EuroNav NV 45.9 45.6 17.9
Non-deductible share-based payments (4.3) (4.9) (7.0)
Non-deductible exploration expense (9.6) (0.4) (17.0)
Deferred tax assets not recognised on impairment of investments (2020: reversal of impairment and 2019: impairment) (10.5) 21.2 (3.3)
Non-deductible interest paid (22.2) (31.2) (29.9)
Share of results of equity accounted investees, net of taxation (10.9) (0.9) 1.1
Non-taxable fair value (loss)/gain on Maverix warrants (1.4) 0.4 1.4
Non-taxable profit on disposal of Maverix (2018: dilution of Gold Fields' interest in Maverix) 0.0 0.0 5.0
Dividend withholding tax (29.5) (5.9) (2.9)
Net non-deductible expenditure and non-taxable income (26.7) (0.7) (10.5)
Deferred tax on unremitted earnings at Tarkwa and Cerro Corona 15.7 1.3 (4.5)
Deferred taxation movement on Peruvian Nuevo Sol devaluation against US Dollar (8.6) (7.5) 0.1
Various Peruvian non-deductible expenses (7.9) (5.8) (6.6)
Deferred tax assets recognised at Salares Norte 96.7 12.8 0.0
Prior year adjustments (6.4) (0.2) (1.0)
Other 0.1 (4.8) 4.0
Total mining and income taxation $ (424.9) $ (432.5) $ (175.6)
South African statutory mining tax rate 34.00% 34.00% 34.00%
Loss on financial instruments $ 100.4 $ 238.9 $ 238.0
Deferred taxation 260.6 240.0  
Deferred tax assets not recognized      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax assets at Cerro Cerona, Damang and Ghanaian 12.2    
Cerro Corona      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax assets not recognised (12.2) (0.1) (3.3)
Damang and Tarkwa      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax assets not recognised (6.6) (50.9) 0.0
Cerro Cerona and Damang      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Loss on financial instruments 45.8    
Cerro Cerona and Damang | Deferred tax assets not recognized      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax assets at Cerro Cerona, Damang and Ghanaian 3.4 0.1 3.3
Deferred tax asset losses on financial instruments 15.6    
Ghanaian operations | Deferred tax assets not recognized      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax assets at Cerro Cerona, Damang and Ghanaian 6.6 50.9  
Deferred tax asset losses on financial instruments 41.0    
Deferred taxation 14.0    
Ghanaian operations | Deferred tax assets recognized      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax asset losses are ring fenced for tax purposes 120.6    
Deferred taxation 7.4    
Deferred tax assets provision for expected credit loss 41.1    
Tarkwa | Deferred tax assets not recognized      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred taxation 9.9    
Tarkwa | Deferred tax assets recognized      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax assets provision for expected credit loss $ 29.0    
Salaries Norte      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Total project progress 62.50%    
Construction progress 55.00%    
Salaries Norte | Deferred tax assets recognized      
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Deferred tax assets assessed losses recognised $ 12.8    
South African taxation      
Disclosure of Components of Mining and Income Tax [Line Items]      
– company and capital gains taxation (3.8) (4.5) (2.9)
Dividend withholding tax (24.3) 0.0 0.0
prior year adjustment - current taxation 0.8 (0.5) 0.2
– deferred taxation (27.4) (25.8) (0.3)
– prior year adjustment - deferred taxation (3.4) 0.0 0.0
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Dividend withholding tax (24.3) 0.0 0.0
Foreign taxation      
Disclosure of Components of Mining and Income Tax [Line Items]      
Dividend withholding tax 0.0 (5.2) (2.7)
prior year adjustment - current taxation (3.5) (0.1) (1.1)
– deferred taxation 54.6 (40.2) 15.3
– current taxation (417.9) (356.2) (184.1)
Total mining and income taxation (424.9) (432.5) (175.6)
Major items causing the Group's income taxation to differ from the maximum South African statutory mining tax rate of 34.0% (2020: 34.0% and 2019: 34.0%) were:      
Dividend withholding tax 0.0 (5.2) (2.7)
Total mining and income taxation $ (424.9) $ (432.5) $ (175.6)