v3.26.1
Impairments and reversal of impairments - Mining assets and goodwill (Details) - ZAR (R)
R in Millions
 6 Months Ended 12 Months Ended
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         R (15,825) R (9,113) R (38,492)
Right-of-use assets         (16) (60)  
Impairment of intangible assets         0 0 (86)
Impairment of goodwill         0 0 (8,435)
Total impairment         (15,841) (9,173) (47,013)
Impairment reversal of mining assets         1,924 0 0
US PGM operations              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment   R (4,230)       (8,825)  
Right-of-use assets         0 0  
Impairment of intangible assets             0
Impairment of goodwill             (8,352)
Total impairment         (4,230) (8,825) (38,900)
Keliber              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment R (2,460) (5,344)          
Right-of-use assets         0    
Total impairment         (7,804)    
Kloof              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Right-of-use assets         (16)    
Impairment of intangible assets             0
Impairment of goodwill             0
Total impairment         (3,779)   (1,616)
Other              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment           (288)  
Right-of-use assets         0 (60)  
Impairment of intangible assets             0
Impairment of goodwill             (60)
Total impairment         (28) R (348) (87)
Beatrix              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         449    
Driefontein              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         168    
Burnstone              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment of intangible assets             0
Impairment of goodwill             0
Total impairment             (1,115)
Impairment reversal of mining assets         1,307    
Sandouville nickel refinery              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment of intangible assets             (86)
Impairment of goodwill             (23)
Total impairment   R (221) R (221)       (1,606)
Century zinc retreatment operation              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment of intangible assets             0
Impairment of goodwill             0
Total impairment             (3,689)
Mine development, infrastructure and other              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         (14,428)   (16,844)
Impairment reversal of mining assets         1,877    
Mine development, infrastructure and other | US PGM operations              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment     R (1,292) R (7,499) (4,230)   (10,222)
Mine development, infrastructure and other | Keliber              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         (6,700)    
Mine development, infrastructure and other | Kloof              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         (3,470)   (1,616)
Mine development, infrastructure and other | Other              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         (28)   (27)
Mine development, infrastructure and other | Beatrix              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         418    
Mine development, infrastructure and other | Driefontein              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         152    
Mine development, infrastructure and other | Burnstone              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             (1,115)
Impairment reversal of mining assets         1,307    
Mine development, infrastructure and other | Sandouville nickel refinery              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             (1,430)
Mine development, infrastructure and other | Century zinc retreatment operation              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             (2,434)
Land, mineral rights and rehabilitation              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         (1,397)   (21,236)
Impairment reversal of mining assets         47    
Land, mineral rights and rehabilitation | US PGM operations              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         0   (20,326)
Land, mineral rights and rehabilitation | Keliber              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         (1,104)    
Land, mineral rights and rehabilitation | Kloof              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         (293)   0
Land, mineral rights and rehabilitation | Other              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment         0   0
Land, mineral rights and rehabilitation | Beatrix              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         31    
Land, mineral rights and rehabilitation | Driefontein              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment reversal of mining assets         16    
Land, mineral rights and rehabilitation | Burnstone              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             0
Impairment reversal of mining assets         R 0    
Land, mineral rights and rehabilitation | Sandouville nickel refinery              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             (67)
Land, mineral rights and rehabilitation | Century zinc retreatment operation              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             (843)
Exploration and evaluation assets              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             (412)
Exploration and evaluation assets | US PGM operations              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             0
Exploration and evaluation assets | Kloof              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             0
Exploration and evaluation assets | Other              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             0
Exploration and evaluation assets | Burnstone              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             0
Exploration and evaluation assets | Sandouville nickel refinery              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             0
Exploration and evaluation assets | Century zinc retreatment operation              
Disclosure of impairment loss and reversal of impairment loss [line items]              
Impairment             R (412)