v3.26.1
Other investments (Details)
€ in Millions, R in Millions, $ in Millions
4 Months Ended 6 Months Ended 12 Months Ended
Apr. 24, 2026
Dec. 31, 2025
ZAR (R)
Jun. 30, 2025
Dec. 31, 2025
ZAR (R)
Dec. 31, 2024
ZAR (R)
Dec. 31, 2023
ZAR (R)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
$ / shares
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Sep. 30, 2023
ZAR (R)
Sep. 30, 2023
EUR (€)
Dec. 31, 2022
ZAR (R)
Mar. 22, 2022
ZAR (R)
Mar. 22, 2022
EUR (€)
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   R 4,271   R 4,271 R 3,507 [1] R 3,179                  
Proceeds on sale of assets held for sale       318 0 0                  
Financial assets measured at fair value   1,287   1,287 1,151 1,233             R 855    
Ioneer Limited                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Proportion of ownership     6.19%                        
Disposal price (in AUD per share) | $ / shares               $ 0.11              
Ioneer Limited | Assets and liabilities classified as held for sale                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Proceeds on sale of assets held for sale   186                          
Designated at FVTOCI investments: | Equity investments | Rand Mutual Assurance Company Limited                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   329   329 197 166                  
Designated at FVTOCI investments: | Equity investments | Furuya Metal Company Limited                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   444   R 444 515 500                  
Proportion of ownership       4.88%                      
Designated at FVTOCI investments: | Equity investments | Aldebaran                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   1,080   R 1,080 608 304                  
Proportion of ownership       14.34%                      
Designated at FVTOCI investments: | Equity investments | Aldebaran | Major ordinary share transactions                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Proportion of ownership 13.20%                            
Designated at FVTOCI investments: | Equity investments | Generation Mining Limited                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   325   R 325 64 106                  
Proportion of ownership       12.14%                      
Designated at FVTOCI investments: | Equity investments | Generation Mining Limited | Major ordinary share transactions                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Proportion of ownership 10.20%                            
Designated at FVTOCI investments: | Equity investments | Ioneer Limited                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   0   R 0 272 277                  
Designated at FVTOCI investments: | Equity investments | Other                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   12   12 8 22                  
Mandatorily measured at FVTPL investments: | Verkor SA                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments | $             $ 933   $ 904 $ 951          
Loan                     R 303 € 15   R 409 € 25
Financial assets measured at fair value   933   933 904 951                  
Gains (losses) on financial assets at fair value through profit or loss       29 46 93                  
Mandatorily measured at FVTPL investments: | EnHyWhere                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments | $             $ 18   $ 41 $ 107          
Mandatorily measured at FVTPL investments: | Other                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   865   865 562 452                  
Amortised cost investments                              
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]                              
Other investments   R 265   R 265 R 336 R 294                  
[1] Amount for 31 December 2024 was revised (see note 16.2)