v3.26.1
Environmental rehabilitation obligation and other provisions - Assumptions used to calculate the provision (Details)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
European operations      
Disclosure of other provisions [line items]      
Inflation rate 2.50% 2.50% 2.10%
Discount rate     3.10%
Discount period     23 years
European operations | Minimum      
Disclosure of other provisions [line items]      
Discount rate 2.10% 2.30%  
Discount period 1 year 2 years  
European operations | Maximum      
Disclosure of other provisions [line items]      
Discount rate 3.80% 3.00%  
Discount period 26 years 23 years  
Australian operations      
Disclosure of other provisions [line items]      
Inflation rate 2.50% 2.50% 2.80%
Discount rate 4.30% 3.90% 3.70%
Discount period     40 months
Australian operations | Minimum      
Disclosure of other provisions [line items]      
Discount period 1 year 5 years  
Australian operations | Maximum      
Disclosure of other provisions [line items]      
Discount period 18 years 19 years  
Total SA gold | South Africa      
Disclosure of other provisions [line items]      
Inflation rate 6.50% 7.00% 7.00%
Total SA gold | South Africa | Minimum      
Disclosure of other provisions [line items]      
Discount rate 6.30% 8.30% 8.90%
Discount period 1 year 1 year 1 year
Total SA gold | South Africa | Maximum      
Disclosure of other provisions [line items]      
Discount rate 9.10% 11.10% 12.30%
Discount period 26 years 25 years 25 years
PGM operations | South Africa      
Disclosure of other provisions [line items]      
Inflation rate 6.50% 7.00% 7.00%
PGM operations | South Africa | Minimum      
Disclosure of other provisions [line items]      
Discount rate 6.30% 8.30% 8.90%
Discount period 1 year 1 year 1 year
PGM operations | South Africa | Maximum      
Disclosure of other provisions [line items]      
Discount rate 8.90% 11.10% 12.30%
Discount period 45 years 45 years 48 years
PGM operations | United States      
Disclosure of other provisions [line items]      
Inflation rate 3.50% 3.50% 3.50%
Discount rate 4.80% 4.80% 4.00%
PGM operations | United States | Minimum      
Disclosure of other provisions [line items]      
Discount period 31 years 25 years 31 years
PGM operations | United States | Maximum      
Disclosure of other provisions [line items]      
Discount period 66 years 35 years 46 years