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Net finance costs - Finance costs (Details) - ZAR (R) R in Millions | 12 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
Disclosure of detailed information about borrowings |  |  |  |
Borrowing costs incurred before amortisation of loan costs and notional interest |  | R 10,712 | R 9,005 | R 6,871
Amortisation of loan costs |  | 161 | 212 | 132
Notional interest |  | 1,198 | 1,116 | 633
Total finance costs |  | 12,071 | 10,333 | 7,636
Amounts capitalised to assets under construction, a class of Property, plant and equipment |  | (1,644) | (1,074) | (740)
Finance costs per income statement |  | 10,427 | 9,259 | 6,896
Total finance costs before amortisation of loan costs and notional interest |  | 10,712 | 9,005 | 6,871
Add: modification gain |  |  |  | 74
Add: amortisation of modification gain |  |  | 194 |
Less: unwinding of loan costs |  |  | (144) |
Less: interest accrued on long-term debt, lease liabilities and short-term debt |  | (2,071) | (1,966) | (1,463)
Less: interest raised on tax payable |  | (3) | (6) | (4)
Finance costs per the statement of cash flows | [1] | 8,638 | 7,083 | 5,478
Debt and interest rate swap |  |  |  |
Disclosure of detailed information about borrowings |  |  |  |
Borrowing costs incurred before amortisation of loan costs and notional interest |  | 8,952 | 7,408 | 5,419
Total finance costs before amortisation of loan costs and notional interest |  | 8,952 | 7,408 | 5,419
Secured and unsecured debt |  |  |  |
Disclosure of detailed information about borrowings |  |  |  |
Borrowing costs incurred before amortisation of loan costs and notional interest |  | 8,952 | 7,408 | 5,066
Total finance costs before amortisation of loan costs and notional interest |  | 8,952 | 7,408 | 5,066
Interest rate swap |  |  |  |
Disclosure of detailed information about borrowings |  |  |  |
Borrowing costs incurred before amortisation of loan costs and notional interest |  |  |  | 353
Total finance costs before amortisation of loan costs and notional interest |  |  |  | 353
Lease liabilities |  |  |  |
Disclosure of detailed information about borrowings |  |  |  |
Borrowing costs incurred before amortisation of loan costs and notional interest |  | 1,557 | 1,451 | 1,357
Total finance costs before amortisation of loan costs and notional interest |  | 1,557 | 1,451 | 1,357
Other |  |  |  |
Disclosure of detailed information about borrowings |  |  |  |
Borrowing costs incurred before amortisation of loan costs and notional interest |  | 203 | 146 | 95
Total finance costs before amortisation of loan costs and notional interest |  | R 203 | R 146 | R 95
[1] | Included in finance costs paid are amounts capitalised to assets under construction a class of Property, plant and equipment (refer to note 16).

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- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Borrowing costs incurred before amortisation of loan costs and notional interest + References No definition available. + Details
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