XML 87 R116.htm IDEA: XBRL DOCUMENT
v3.19.3

Property, Plant and Equipment - Mining assets (Narrative) (Details) - ZAR (R) R in Millions | 12 Months Ended |
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017 | Mar. 01, 2018
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Depreciation expense | R 4,054 | R 2,570 | R 2,519 |
Life-of-mine plans (term) | 5 years |  |  |
Moab Khotsong |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Fair value of property, plant and equipment acquired | R 0 | 3,691 |  | R 3,691
Mining assets |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Stripping activities | 1,208 | 261 |  |
Depreciation expense, capitalised stripping costs | R 13 | R 4 |  |
Mining assets | Moab Khotsong |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Fair value of property, plant and equipment acquired |  |  |  | 3,554
Other non-mining assets | Moab Khotsong |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Fair value of property, plant and equipment acquired |  |  |  | R 137
Hidden Valley |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Post-tax real discount rate | 10.13% | 9.91% | 11.92% |
Transferred to mining assets | R 607 | R 2,707 |  |
Tshepong |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Transferred to mining assets |  | R 410 |  |
Bottom of range | Moab Khotsong |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Post-tax real discount rate |  |  |  | 8.20%
Bottom of range | South African operations |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Post-tax real discount rate | 8.90% | 8.35% | 8.98% |
Top of range | Moab Khotsong |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Post-tax real discount rate |  |  |  | 11.30%
Top of range | South African operations |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Post-tax real discount rate | 11.10% | 10.25% | 11.81% |
Had the group only used proved and probable reserves in its calculations |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |
Depreciation expense | R 4,116 | R 2,753 | R 2,727 |

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