v3.26.1
Financial risk management and financial instruments - Expected Credit Losses (Details) - ZAR (R)
R in Millions
Jun. 30, 2026
Jun. 30, 2025
Detail on expected credit losses recognised    
Financial assets R 93,127 R 85,517
Trade receivable | Lifetime | Gross carrying amount    
Detail on expected credit losses recognised    
Financial assets 32,028 30,370
Trade receivable | Lifetime | Gross carrying amount | Simplified approach for trade receivables    
Detail on expected credit losses recognised    
Financial assets 31,431 29,959
Trade receivable | Lifetime | Gross carrying amount | Simplified approach for trade receivables, low risk    
Detail on expected credit losses recognised    
Financial assets 25,463 28,585
Trade receivable | Lifetime | Gross carrying amount | Simplified approach for trade receivables, medium risk    
Detail on expected credit losses recognised    
Financial assets 5,968 1,374
Trade receivable | Lifetime | Gross carrying amount | Credit impaired    
Detail on expected credit losses recognised    
Financial assets 597 411
Trade receivable | Lifetime | Expected credit loss    
Detail on expected credit losses recognised    
Financial assets (222) (238)
Trade receivable | Lifetime | Expected credit loss | Simplified approach for trade receivables    
Detail on expected credit losses recognised    
Financial assets (12) (93)
Trade receivable | Lifetime | Expected credit loss | Simplified approach for trade receivables, low risk    
Detail on expected credit losses recognised    
Financial assets (8) (86)
Trade receivable | Lifetime | Expected credit loss | Simplified approach for trade receivables, medium risk    
Detail on expected credit losses recognised    
Financial assets (4) (7)
Trade receivable | Lifetime | Expected credit loss | Credit impaired    
Detail on expected credit losses recognised    
Financial assets (210) (145)
Other receivables | Gross carrying amount    
Detail on expected credit losses recognised    
Financial assets 4,860 4,275
Other receivables | Expected credit loss    
Detail on expected credit losses recognised    
Financial assets (548) (663)
Other receivables | Lifetime | Gross carrying amount    
Detail on expected credit losses recognised    
Financial assets 1,104 1,850
Other receivables | Lifetime | Gross carrying amount | Significant increase in credit risk since initial recognition    
Detail on expected credit losses recognised    
Financial assets 536 1,122
Other receivables | Lifetime | Gross carrying amount | Credit impaired    
Detail on expected credit losses recognised    
Financial assets 568 728
Other receivables | Lifetime | Expected credit loss    
Detail on expected credit losses recognised    
Financial assets (547) (661)
Other receivables | Lifetime | Expected credit loss | Significant increase in credit risk since initial recognition    
Detail on expected credit losses recognised    
Financial assets (5) (3)
Other receivables | Lifetime | Expected credit loss | Credit impaired    
Detail on expected credit losses recognised    
Financial assets (542) (658)
Other receivables | 12-months | Gross carrying amount    
Detail on expected credit losses recognised    
Financial assets 3,756 2,425
Other receivables | 12-months | Expected credit loss    
Detail on expected credit losses recognised    
Financial assets (1) (2)
Long-term receivables    
Detail on expected credit losses recognised    
Financial assets 2,768 2,884
Long-term receivables | Gross carrying amount    
Detail on expected credit losses recognised    
Financial assets 2,843 3,635
Long-term receivables | Expected credit loss    
Detail on expected credit losses recognised    
Financial assets (75) (83)
Long-term receivables | Lifetime | Gross carrying amount    
Detail on expected credit losses recognised    
Financial assets 1,691 568
Long-term receivables | Lifetime | Gross carrying amount | Significant increase in credit risk since initial recognition    
Detail on expected credit losses recognised    
Financial assets 1,453 399
Long-term receivables | Lifetime | Gross carrying amount | Credit impaired    
Detail on expected credit losses recognised    
Financial assets 238 169
Long-term receivables | Lifetime | Expected credit loss    
Detail on expected credit losses recognised    
Financial assets (75) (55)
Long-term receivables | Lifetime | Expected credit loss | Significant increase in credit risk since initial recognition    
Detail on expected credit losses recognised    
Financial assets (30) (5)
Long-term receivables | Lifetime | Expected credit loss | Credit impaired    
Detail on expected credit losses recognised    
Financial assets (45) (50)
Long-term receivables | 12-months | Gross carrying amount    
Detail on expected credit losses recognised    
Financial assets R 1,152 3,067
Long-term receivables | 12-months | Expected credit loss    
Detail on expected credit losses recognised    
Financial assets   R (28)