Leases Disclosure of Current and Non-Current Lease Liabilities (Details) - ZAR (R) R in Millions	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Presentation of leases for lessee [abstract]
Lease liabilities	R 436	R 506
Additions	392	250
Modifications	0	11
Acquisition of MAC Copper operations and related assets	277
Interest expense on lease liabilities	51	28
Lease payments made	(465)	(319)
Terminations	0	(10)
Translation	(25)	(30)
Lease liabilities	666	436
Current portion lease liabilities	(319)	(206)
Non-current portion of lease liabilities	R (347)	R (230)

Acquisition of MAC Copper operations and related assets

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- Definition

Increase (Decrease) Through Net Exchange Differences - Lease Liabilities

+ References

No definition available.

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- Definition

Increase In Lease Liabilities

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- Definition

Lease modifications

+ References

No definition available.

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- Definition

Termination Of Lease Liability

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- Definition

The cash outflow for leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of current lease liabilities. [Refer: Lease liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

+ References

+ Details

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- Definition

The amount of non-current lease liabilities. [Refer: Lease liabilities]

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- References

No definition available.

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