v3.26.1
Impairments and reversal of impairments (Details)
R in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2025
ZAR (R)
R / oz
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 of mining assets   R (15,825) R (9,113) R (38,492)
Impairment reversal of mining assets   1,924 0 0
Impairment of intangible assets   0 0 (86)
Impairment of goodwill   0 0 (8,435)
Impairment of investment in equity-accounted investee   (15,841) (9,173) (47,013)
Other impairment   (26) 0 0
Total impairments and reversal of impairments   (14,007) (9,173) (47,454)
Gains (losses) recognised when control of subsidiary is lost, net of tax   (461) (19) (1,384)
Mining assets        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment of mining assets   (14,428)   (16,844)
Impairment reversal of mining assets   1,877    
Mimosa        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment of mining assets R (535) (535)   (1,864)
Impairment of investment in equity-accounted investee (64) (64) 0 (423)
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
Nominal discount rate 20.67%     31.20%
Recoverable amount R 2,208     R 2,757
Mimosa | Mining assets        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Life-of-mine 8 years     11 years
Right-of-use assets        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment of mining assets   (16) (60) R 0
Investment in equity-accounted investee        
Disclosure of impairment loss and reversal of impairment loss [line items]        
Impairment of investment in equity-accounted investee   (64) 0 (423)
Impairment of loan to equity-accounted investee   R 0 R 0 R (18)