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Finance Costs (Tables) | 12 Months Ended
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Jun. 30, 2019
Analysis of income and expense [abstract] |
Disclosure of Finance Costs |
| SA rand
Figures in million | 2019 |  | 2018 |  | 2017 |
Financial liabilities |  |  |
Borrowings | 402 |  | 227 |  | 110 |
Other creditors and liabilities | 2 |  | 1 |  | — |
Total finance costs from financial liabilities | 404 |  | 228 |  | 110 |
Non-financial liabilities |  |  |
Post-retirement benefits | 17 |  | 18 |  | 16 |
Time value of money component of silicosis provision | 79 |  | 76 |  | — |
Time value of money and inflation component of rehabilitation costs | 208 |  | 191 |  | 173 |
Total finance costs from non-financial liabilities | 304 |  | 285 |  | 189 |
Total finance costs before interest capitalised | 708 |  | 513 |  | 299 |
Interest capitalised (a) | (133 | ) | (183 | ) | (65 | )
Total finance costs | 575 |  | 330 |  | 234 |
(a) | The capitalisation rate used to determine capitalised borrowing costs is:
| 2019 |  | 2018 |  | 2017 |
| % |  | % |  | % |
Capitalisation rate | 10.4 | % | 10.5 | % | 4.2 | %
The change in the rate from 2017 to 2018 is due to the effect of the foreign exchange translation loss in 2018 compared with a gain of 2017 on the calculation of the rate.

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