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Long-term debt - Amortised cost summary (Details) - ZAR (R) R in Millions	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Long-term debt
Unamortised loan costs	R (392)	R (528)
Total long-term debt	102,645	117,031	R 124,068
Unsecured debt
Long-term debt
Long-term debt, before unamortised costs	R 103,037	R 117,559

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The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Long-term borrowings excluding leases

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