v3.26.1
Related-party transactions - Narrative (Details) - ZAR (R)
R in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of transactions between related parties [line items]            
Impairment loss recognised in profit or loss       R 15,841 R 9,173 R 47,013
Reldan Mexico            
Disclosure of transactions between related parties [line items]            
Percentage of voting equity interests acquired 72.00%       72.00%  
Purchases of goods, related party transactions       R 484 R 372  
Rand Refinery            
Disclosure of transactions between related parties [line items]            
Proportion of ownership interest in associate       44.40%    
Dividends received R 0 R 221 R 116 R 0 221 233
Financial instruments credit-impaired | Other trade and non-trade receivables            
Disclosure of transactions between related parties [line items]            
Impairment loss recognised in profit or loss       92 R 161 R 21
Financial instruments credit-impaired | Other trade and non-trade receivables | Blue Ridge Platinum Pty Ltd            
Disclosure of transactions between related parties [line items]            
Impairment loss recognised in profit or loss       R 118