XML 396 R157.htm IDEA: XBRL DOCUMENT v3.22.2.2
Long-term provisions - Environmental provisions, Risk-free rates and Impact of changes to discount rates (Details) - ZAR (R)
R in Millions
Jun. 30, 2022
Jun. 30, 2021
Provisions    
Provisions R 18,015 R 17,361
Share Appreciation Right (SARs)    
Provisions    
Intrinsic value of share appreciation rights vested but not yet exercised 0 0
Environmental    
Provisions    
Provisions 17,207 16,196
Investments restricted for mining rehabilitation purposes 700 676
Indemnities for mining rehabilitation purposes R 2,314 R 2,190
Assumed percentage change in discount rate 1.00% 1.00%
Increase in the discount rate R (4,405) R (4,352)
amount capitalised to property, plant and equipment (1,237) (1,250)
income recognised in income statement (3,168) (3,102)
Decrease in the discount rate 5,474 5,266
amount capitalised to property, plant and equipment 1,646 1,787
expense recognised in income statement R 3,828 R 3,479
Environmental | South Africa | Minimum    
Provisions    
Risk-free interest rate used to discount estimated cash flows related to provisions 6.60% 4.20%
Environmental | South Africa | Maximum    
Provisions    
Risk-free interest rate used to discount estimated cash flows related to provisions 10.10% 10.30%
Environmental | Europe | Minimum    
Provisions    
Risk-free interest rate used to discount estimated cash flows related to provisions 0.60% 0.00%
Environmental | Europe | Maximum    
Provisions    
Risk-free interest rate used to discount estimated cash flows related to provisions 2.40% 0.50%
Environmental | United States | Minimum    
Provisions    
Risk-free interest rate used to discount estimated cash flows related to provisions 2.20% 0.20%
Environmental | United States | Maximum    
Provisions    
Risk-free interest rate used to discount estimated cash flows related to provisions 3.30% 1.80%