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Property, Plant and Equipment - Disclosure of Movement in Property, Plant and Equipment (Details) - ZAR (R) | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | R 30,969,000,000 |  |
Additions | 4,687,000,000 | R 4,280,000,000 | R 3,686,000,000
Balance at end of year | 27,749,000,000 | 30,969,000,000 |
Mining assets |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 24,203,000,000 |  |
Balance at end of year | 20,549,000,000 | 24,203,000,000 |
Mining assets | Cost |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 49,741,000,000 | 40,570,000,000 |
Fully depreciated assets no longer in use derecognised | 302,000,000 | 0 |
Additions | 4,113,000,000 | 2,546,000,000 |
Disposals | 16,000,000 | 68,000,000 |
Scrapping of assets | 117,000,000 | 2,000,000 |
Adjustment to rehabilitation asset | (439,000,000) | (175,000,000) |
Transfers and other movements | 801,000,000 | 3,117,000,000 |
Translation | (152,000,000) | 199,000,000 |
Balance at end of year | 53,629,000,000 | 49,741,000,000 | 40,570,000,000
Mining assets | Accumulated depreciation and impairments |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | (25,538,000,000) | (19,263,000,000) |
Fully depreciated assets no longer in use derecognised | (302,000,000) | 0 |
Impairment | 3,880,000,000 | 3,460,000,000 |
Disposals | (16,000,000) | (67,000,000) |
Scrapping of assets | (96,000,000) | (1,000,000) |
Depreciation | 4,184,000,000 | 2,789,000,000 |
Translation | 108,000,000 | (94,000,000) |
Balance at end of year | (33,080,000,000) | (25,538,000,000) | (19,263,000,000)
Mining assets under construction |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 2,528,000,000 |  |
Balance at end of year | 2,964,000,000 | 2,528,000,000 |
Mining assets under construction | Cost |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 2,528,000,000 | 3,104,000,000 |
Additions | 1,070,000,000 | 1,988,000,000 |
Depreciation capitalised | 50,000,000 | 312,000,000 |
Finance costs capitalised | 133,000,000 | 183,000,000 |
Transfers and other movements | (802,000,000) | (3,123,000,000) |
Translation | (15,000,000) | 64,000,000 |
Balance at end of year | 2,964,000,000 | 2,528,000,000 | 3,104,000,000
Pre-production revenue | 0 | 1,288,000,000 |
Undeveloped properties |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 3,974,000,000 |  |
Balance at end of year | 3,965,000,000 | 3,974,000,000 |
Undeveloped properties | Cost |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 5,446,000,000 | 5,442,000,000 |
Translation | (9,000,000) | 4,000,000 |
Balance at end of year | 5,437,000,000 | 5,446,000,000 | 5,442,000,000
Undeveloped properties | Accumulated depreciation and impairments |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | (1,472,000,000) | (14,000,000) |
Impairment | 0 | 1,458,000,000 |
Balance at end of year | (1,472,000,000) | (1,472,000,000) | (14,000,000)
Other non-mining assets |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 264,000,000 |  |
Balance at end of year | 271,000,000 | 264,000,000 |
Other non-mining assets | Cost |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | 609,000,000 | 441,000,000 |
Fully depreciated assets no longer in use derecognised | 9,000,000 | 0 |
Additions | 59,000,000 | 37,000,000 |
Transfers and other movements | 1,000,000 | (6,000,000) |
Translation | (2,000,000) | 0 |
Balance at end of year | 658,000,000 | 609,000,000 | 441,000,000
Other non-mining assets | Accumulated depreciation and impairments |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Balance at beginning of year | (345,000,000) | (236,000,000) |
Fully depreciated assets no longer in use derecognised | (9,000,000) | 0 |
Impairment | 12,000,000 | 51,000,000 |
Depreciation | 39,000,000 | 56,000,000 |
Translation | 0 | (2,000,000) |
Balance at end of year | (387,000,000) | (345,000,000) | R (236,000,000)
Moab Khotsong | Mining assets | Cost |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Acquisitions | 0 | 3,554,000,000 |
Moab Khotsong | Other non-mining assets | Cost |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Acquisitions | 0 | 137,000,000 |
Hidden Valley | Mining assets | Cost |  |  |
Reconciliation of changes in property, plant and equipment |  |  |
Depreciation capitalised | R 173,000,000 | R 12,000,000 |

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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_v&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_viii&doctype=Standard -URIDate 2018-03-16 + Details
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