v3.26.1
Financial instruments and risk management - Significant financial instruments measured at fair value (Details) - ZAR (R)
R in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
(Loss)/gain on financial instruments        
Financial assets measured at fair value R 1,287 R 1,151 R 1,233 R 855
Financial liabilities measured at fair value 0 0 1,570 R 0
Level 1 | Derivative financial instrument        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 1 | Gold hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 1 | Zinc hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 1 | Other hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 1 | Metals borrowing liability        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 1,667 855 0  
Level 1 | Contingent consideration        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 2 | Derivative financial instrument        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 3,810  
Level 2 | Gold hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 453 282 140  
Level 2 | Zinc hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 15 208 33  
Level 2 | Other hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 80 0 0  
Level 2 | Metals borrowing liability        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 2 | Contingent consideration        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 3 | Derivative financial instrument        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 3 | Gold hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 3 | Zinc hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 3 | Other hedge contracts        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 3 | Metals borrowing liability        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 0  
Level 3 | Contingent consideration        
(Loss)/gain on financial instruments        
Financial liabilities measured at fair value 0 0 1,570  
Environmental rehabilitation obligation funds | Level 1        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 0 0 0  
Environmental rehabilitation obligation funds | Level 2        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 3,915 3,750 3,212  
Environmental rehabilitation obligation funds | Level 3        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 0 0 0  
Trade receivables — PGM concentrate sales | Level 1        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 0 0 0  
Trade receivables — PGM concentrate sales | Level 2        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 1,286 965 3,407  
Trade receivables — PGM concentrate sales | Level 3        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 0 0 0  
Trade receivables — Zinc provisional price sales | Level 1        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 0 0 0  
Trade receivables — Zinc provisional price sales | Level 2        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 84 356 108  
Trade receivables — Zinc provisional price sales | Level 3        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 0 0 0  
Other investments | Level 1        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 1,968 1,517 1,241  
Other investments | Level 2        
(Loss)/gain on financial instruments        
Financial assets measured at fair value 752 504 411  
Other investments | Level 3        
(Loss)/gain on financial instruments        
Financial assets measured at fair value R 1,287 R 1,151 R 1,233