v3.26.1
Cost of sales - Narrative (Details) - ZAR (R)
R in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of performance obligations [line items]      
Cost of providing defined contribution retirement benefits R 1,769 R 1,774 R 1,752
Section 45X tax credits 4,403 R 0 R 0
Section 45X credits for 2023      
Disclosure of performance obligations [line items]      
Section 45X tax credits 2,472    
Section 45X credits for 2024      
Disclosure of performance obligations [line items]      
Section 45X tax credits 1,931    
Section 45X credit, related to 2023, primary mining      
Disclosure of performance obligations [line items]      
Section 45X tax credits 1,245    
Section 45X credit, related to 2023, recycling      
Disclosure of performance obligations [line items]      
Section 45X tax credits 1,227    
Section 45X Credit, related to 2024, primary mining      
Disclosure of performance obligations [line items]      
Section 45X tax credits 1,220    
Section 45X credit, related to 2024, recycling      
Disclosure of performance obligations [line items]      
Section 45X tax credits R 711