v3.26.1
Impairments and reversal of impairments - Narrative (Details)
R in Millions
 6 Months Ended 12 Months Ended
Dec. 31, 2025
ZAR (R)
Jun. 30, 2025
ZAR (R)
R / oz
Dec. 31, 2024
ZAR (R)
Jun. 30, 2024
ZAR (R)
Dec. 31, 2025
ZAR (R)
Dec. 31, 2024
ZAR (R)
Dec. 31, 2023
ZAR (R)
R / oz
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         R 15,825 R 9,113 R 38,492
Impairment loss recognised in profit or loss         15,841 9,173 47,013
Impairment reversal of mining assets         1,924 0 0
Gains (losses) recognised when control of subsidiary is lost, net of tax         (461) (19) (1,384)
Mimosa              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment   R 535     535   1,864
Impairment loss recognised in profit or loss   64     64 0 R 423
Decrease in useful life             5.30%
Gains (losses) recognised when control of subsidiary is lost, net of tax   R 461         R (1,384)
Average PGM (4E) basket price (in ZAR per ounce) | R / oz   25,745         26,632
Discount rate used in current estimate of value in use   20.67%         31.20%
Recoverable amount   R 2,208         R 2,757
US PGM operations              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment   R 4,230       8,825  
Impairment loss recognised in profit or loss         4,230 8,825 38,900
Life-of-mine   67 years          
Recoverable amount   R 9,361 R 13,682 R 15,224   R 13,682 22,246
Keliber              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment R 2,460 R 5,344          
Impairment loss recognised in profit or loss         R 7,804    
Life-of-mine   20 years     20 years    
Recoverable amount 8,925 R 9,359     R 8,925    
Sandouville nickel refinery              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss recognised in profit or loss   221 221       1,606
Recoverable amount             0
Marikana Assets              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss recognised in profit or loss   112          
Klipfontein Assets              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss recognised in profit or loss   R 11          
Beatrix              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         R 449    
Life-of-mine         6 years    
Recoverable amount 9,341       R 9,341    
Driefontein              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         R 168    
Life-of-mine         11 years    
Recoverable amount 20,581       R 20,581    
Burnstone              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment loss recognised in profit or loss             1,115
Impairment reversal of mining assets         R 1,307    
Life-of-mine         23 years    
Recoverable amount R 13,039       R 13,039   3,799
Kloof              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         R 3,779    
Life-of-mine         1 year    
Mining assets              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         R 14,428   R 16,844
Impairment reversal of mining assets         1,877    
Mining assets | Mimosa              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Life-of-mine   8 years         11 years
Mining assets | US PGM operations              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment     1,292 R 7,499 4,230   R 10,222
Life-of-mine       45 years 6 months   35 years 46 years
Mining assets | US PGM operations | Non-current assets held for sale              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment     R 34        
Mining assets | Keliber              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         6,700    
Mining assets | Sandouville nickel refinery              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             R 1,430
Life-of-mine             23 years
Mining assets | Beatrix              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         418    
Mining assets | Driefontein              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         152    
Mining assets | Burnstone              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             R 1,115
Impairment reversal of mining assets         R 1,307    
Life-of-mine             25 years