v3.25.3
Derivative Financial Instruments - Disclosure of Derivative Financial Assets and Liabilities (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets R 568 R 1,011  
Non-current 236 453  
Current 332 558  
Derivative financial liabilities (7,747) (2,111)  
Non-current (2,688) (609)  
Current (5,059) (1,502)  
Net derivative financial instruments (7,179) (1,100)  
Unrealised losses included in other reserves, net of tax (5,727) (1,389) R (753)
Unrealised losses included in other reserves, net of tax (6,094) (1,252) (753)
Realised losses included in revenue (4,594) (1,265) (184)
Unrealised losses on gold contracts recognised in other comprehensive income (10,350) (1,734) (1,782)
Gains/(losses) on derivatives 85 572 (124)
Day one loss amortisation (144) (119) (70)
Total gains/(losses) on derivatives (59) 453 (194)
Hedge effectiveness      
Changes in the fair value of the hedging instrument used as the basis for recognising hedge ineffectiveness (9,751) (1,734)  
Changes in the fair value of the hedged item used as the basis for recognising hedge ineffectiveness 9,751 1,734  
Deferred taxation thereon (936) 39  
US$ silver contracts      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 3 3  
Non-current 3 3  
Current 0 0  
Derivative financial liabilities (148) (63)  
Non-current (39) (21)  
Current (109) (42)  
Net derivative financial instruments (145) (60)  
Unrealised losses included in other reserves, net of tax 0 0  
Realised losses included in revenue 0 0 0
Unrealised losses on gold contracts recognised in other comprehensive income 0 0 0
Gains/(losses) on derivatives (150) (98) 21
Day one loss amortisation 0 0 0
Total gains/(losses) on derivatives (150) (98) 21
Hedge effectiveness      
Changes in the fair value of the hedging instrument used as the basis for recognising hedge ineffectiveness 0 0  
Changes in the fair value of the hedged item used as the basis for recognising hedge ineffectiveness 0 0  
Foreign exchange hedging contracts      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 288 523  
Non-current 24 98  
Current 264 425  
Derivative financial liabilities 0 0  
Non-current 0 0  
Current 0 0  
Net derivative financial instruments 288 523  
Unrealised losses included in other reserves, net of tax 0 0  
Realised losses included in revenue 0 0 0
Unrealised losses on gold contracts recognised in other comprehensive income 0 0 0
Gains/(losses) on derivatives 235 670 (145)
Day one loss amortisation 0 0 0
Total gains/(losses) on derivatives 235 670 (145)
Hedge effectiveness      
Changes in the fair value of the hedging instrument used as the basis for recognising hedge ineffectiveness 0 0  
Changes in the fair value of the hedged item used as the basis for recognising hedge ineffectiveness 0 0  
Rand Gold Forward Hedging Contracts      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 30 282  
Non-current 14 172  
Current 16 110  
Derivative financial liabilities (4,279) (1,799)  
Non-current (675) (510)  
Current (3,604) (1,289)  
Net derivative financial instruments (4,249) (1,517)  
Unrealised losses included in other reserves, net of tax (3,405) (1,192)  
Realised losses included in revenue (3,910) (1,215) (209)
Unrealised losses on gold contracts recognised in other comprehensive income (6,674) (1,580) (1,748)
Gains/(losses) on derivatives 0 0 0
Day one loss amortisation (83) (114) (66)
Total gains/(losses) on derivatives (83) (114) (66)
Hedge effectiveness      
Changes in the fair value of the hedging instrument used as the basis for recognising hedge ineffectiveness (6,674) (1,580)  
Changes in the fair value of the hedged item used as the basis for recognising hedge ineffectiveness 6,674 1,580  
US$ Gold Forward Hedging Contracts      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 5 30  
Non-current 3 27  
Current 2 3  
Derivative financial liabilities (716) (236)  
Non-current (166) (77)  
Current (550) (159)  
Net derivative financial instruments (711) (206)  
Unrealised losses included in other reserves, net of tax (731) (197)  
Realised losses included in revenue (459) (50) 25
Unrealised losses on gold contracts recognised in other comprehensive income (970) (310) (34)
Gains/(losses) on derivatives 0 0 0
Day one loss amortisation (11) (11) (4)
Total gains/(losses) on derivatives (11) (11) (4)
Hedge effectiveness      
Changes in the fair value of the hedging instrument used as the basis for recognising hedge ineffectiveness (970) (310)  
Changes in the fair value of the hedged item used as the basis for recognising hedge ineffectiveness 970 310  
Rand Gold Collars Contracts      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 207 155  
Non-current 164 135  
Current 43 20  
Derivative financial liabilities (2,082) (9)  
Non-current (1,492) 0  
Current (590) (9)  
Net derivative financial instruments (1,875) 146  
Unrealised losses included in other reserves, net of tax (1,468) 123  
Realised losses included in revenue (178) 0 0
Unrealised losses on gold contracts recognised in other comprehensive income (2,155) 141 0
Gains/(losses) on derivatives 0 0 0
Day one loss amortisation (40) 5 0
Total gains/(losses) on derivatives (40) 5 0
Hedge effectiveness      
Changes in the fair value of the hedging instrument used as the basis for recognising hedge ineffectiveness (1,596) 141  
Changes in the fair value of the hedged item used as the basis for recognising hedge ineffectiveness 1,596 (141)  
US Gold Collars Contracts      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 35 18  
Non-current 28 18  
Current 7 0  
Derivative financial liabilities (522) (4)  
Non-current (316) (1)  
Current (206) (3)  
Net derivative financial instruments (487) 14  
Unrealised losses included in other reserves, net of tax (490) 14  
Realised losses included in revenue (47) 0 0
Unrealised losses on gold contracts recognised in other comprehensive income (551) 15 0
Gains/(losses) on derivatives 0 0 0
Day one loss amortisation (10) 1 0
Total gains/(losses) on derivatives (10) 1 R 0
Hedge effectiveness      
Changes in the fair value of the hedging instrument used as the basis for recognising hedge ineffectiveness (511) 15  
Changes in the fair value of the hedged item used as the basis for recognising hedge ineffectiveness R 511 R (15)