v3.26.3
Acquisitions and Business Combinations - Narrative (Details)
$ / shares in Units, R in Millions, $ in Millions
 4 Months Ended 8 Months Ended 12 Months Ended
Oct. 24, 2025
ZAR (R)
$ / lb
uSDollarPerAustralianDollar
$ / Ounce
$ / oz
Oct. 23, 2025
ZAR (R)
$ / shares
Oct. 24, 2025
ZAR (R)
$ / lb
ZAR_per_AUD
uSDollarPerAustralianDollar
$ / Ounce
$ / oz
Jun. 30, 2026
ZAR (R)
$ / lb
ZAR_per_AUD
Jun. 30, 2026
ZAR (R)
$ / lb
R / $
Jun. 30, 2026
USD ($)
$ / lb
R / $
Jun. 30, 2025
ZAR (R)
$ / lb
R / $
Jun. 30, 2024
ZAR (R)
R / $
Oct. 23, 2025
USD ($)
Disclosure of detailed information about business combination [line items]                  
Acquisition-related costs         R (1,379)   R (40) R 0  
Total corporate, administration and other expenditure1         R 1,967   R 1,600 R 1,593  
Closing Price Of Copper Assumption | $ / lb       4.78 4.78 4.78 4.25    
Revenue of combined entity as if combination occurred at beginning of period         R 101,900        
Profit (loss) of combined entity as if combination occurred at beginning of period         R 30,800        
Average foreign exchange rate | R / $         16.89 16.89 18.15 18.70  
Australian Entities                  
Disclosure of detailed information about business combination [line items]                  
Applicable taxation rate 30.00%                
Floor                  
Disclosure of detailed information about business combination [line items]                  
Average foreign exchange rate | ZAR_per_AUD     11.49            
Cap                  
Disclosure of detailed information about business combination [line items]                  
Average foreign exchange rate | ZAR_per_AUD       11.45          
MAC Copper                  
Disclosure of detailed information about business combination [line items]                  
Proportion of ownership interest in subsidiary         100.00% 100.00%      
Cash Transferred Per Acquiree Share | $ / shares   $ 12.25              
Cash consideration paid R 17,480 $ 17,480 R 17,480           $ 1,000
Acquisition-related costs         R (1,400)        
Total corporate, administration and other expenditure1         R 94        
Revenue of acquiree since acquisition date       R 3,800          
Profit (loss) of acquiree since acquisition date       R 1,200          
MAC Copper | OR Royalties Inc.                  
Disclosure of detailed information about business combination [line items]                  
Refined silver production percentage payable under silver stream         100.00% 100.00%      
Percentage of the spot silver price per ounce used to derive ongoing payments for the silver stream         4.00% 4.00%      
Percentage of the spot copper price per tonne used to derive ongoing payments for the copper stream         4.00% 4.00%      
MAC Copper | Glencore Operations Australia (Pty) Limited                  
Disclosure of detailed information about business combination [line items]                  
Percentage Used To Derive Net Smelter Return Royalty Under The Royalty Deed         1.50% 1.50%      
Total Contingent Consideration Payable Under The Sale and Purchase Agreement | $           $ 150      
MAC Copper | Floor | OR Royalties Inc.                  
Disclosure of detailed information about business combination [line items]                  
Refined copper production percentage payable under copper stream         2.25% 2.25%      
MAC Copper | Cap | OR Royalties Inc.                  
Disclosure of detailed information about business combination [line items]                  
Refined copper production percentage payable under copper stream         4.875% 4.875%      
MAC Copper | The copper price averages more than US$4.50/lb for 24 continuous months at any stage during the LOM of CSA mine [Member] | Glencore Operations Australia (Pty) Limited                  
Disclosure of detailed information about business combination [line items]                  
Contingent Consideration Payable | $           $ 75      
MAC Copper | The copper price averages more than US$4.25/lb for 18 continuous months at any stage during the LOM of CSA mine [Member] | Glencore Operations Australia (Pty) Limited                  
Disclosure of detailed information about business combination [line items]                  
Contingent Consideration Payable | $           $ 75      
CSA                  
Disclosure of detailed information about business combination [line items]                  
Discount rate applied to cash flow projections 7.75%   7.75% 7.00% 7.00% 7.00%      
CSA | Floor                  
Disclosure of detailed information about business combination [line items]                  
Closing Price Of Copper Assumption | $ / lb 4.75   4.75            
Silver price (in USD per oz) | $ / oz 32.31   32.31            
Real Zinc Prices | $ / lb 1.27   1.27            
Average Foreign Exchange Rate Assumption US$/AS$ | uSDollarPerAustralianDollar 0.66   0.66            
CSA | Cap                  
Disclosure of detailed information about business combination [line items]                  
Closing Price Of Copper Assumption | $ / lb 5.35   5.35            
Silver price (in USD per oz) | $ / Ounce 51.02   51.02            
Real Zinc Prices | $ / lb 1.33   1.33            
Average Foreign Exchange Rate Assumption US$/AS$ | uSDollarPerAustralianDollar 0.69   0.69