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Property, plant and equipment- Segmentation and capital commitment (Details) - ZAR (R) R in Millions | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
--- | --- | --- | ---
Property, plant and equipment |  |  |
Capital commitments | R 63,276 | R 90,736 | R 137,286
Mining |  |  |
Property, plant and equipment |  |  |
Capital commitments | 2,640 | 3,099 | 3,563
Exploration And Production International |  |  |
Property, plant and equipment |  |  |
Capital commitments | 18,811 | 19,431 | 23,648
Energy |  |  |
Property, plant and equipment |  |  |
Capital commitments | 10,320 | 10,327 | 9,588
Base Chemicals |  |  |
Property, plant and equipment |  |  |
Capital commitments | 16,781 | 29,722 | 51,449
Performance Chemicals |  |  |
Property, plant and equipment |  |  |
Capital commitments | 14,125 | 27,396 | 48,422
Group Functions |  |  |
Property, plant and equipment |  |  |
Capital commitments | 599 | 761 | R 616
Property, plant and equipment |  |  |
Property, plant and equipment |  |  |
Capital commitments | 63,276 | 90,736 |
Property, plant and equipment | Mining |  |  |
Property, plant and equipment |  |  |
Capital commitments | 2,640 | 3,099 |
Property, plant and equipment | Exploration And Production International |  |  |
Property, plant and equipment |  |  |
Capital commitments | 18,811 | 19,431 |
Property, plant and equipment | Energy |  |  |
Property, plant and equipment |  |  |
Capital commitments | 10,466 | 10,327 |
Property, plant and equipment | Base Chemicals |  |  |
Property, plant and equipment |  |  |
Capital commitments | 16,857 | 29,722 |
Property, plant and equipment | Performance Chemicals |  |  |
Property, plant and equipment |  |  |
Capital commitments | 14,148 | 27,396 |
Property, plant and equipment | Group Functions |  |  |
Property, plant and equipment |  |  |
Capital commitments | 354 | 761 |
Property, plant and equipment | Lake Charles Chemicals Project |  |  |
Property, plant and equipment |  |  |
Capital commitments | 15,433 | 46,051 |
Property, plant and equipment | Mozambique exploration and development |  |  |
Property, plant and equipment |  |  |
Capital commitments | 17,108 | 18,883 |
Property, plant and equipment | Sixth Fine Ash Dam (environmental) |  |  |
Property, plant and equipment |  |  |
Capital commitments | 3,720 | 5,072 |
Property, plant and equipment | Shutdown and major statutory maintenance |  |  |
Property, plant and equipment |  |  |
Capital commitments | 6,172 | 5,144 |
Property, plant and equipment | Renewal projects |  |  |
Property, plant and equipment |  |  |
Capital commitments | 3,060 | 2,242 |
Property, plant and equipment | China Ethoxylation Plant |  |  |
Property, plant and equipment |  |  |
Capital commitments | 577 | 1,109 |
Property, plant and equipment | Air separation unit |  |  |
Property, plant and equipment |  |  |
Capital commitments | 470 | 886 |
Property, plant and equipment | Refurbishment of equipment |  |  |
Property, plant and equipment |  |  |
Capital commitments | 445 | 359 |
Property, plant and equipment | Mine geographical expansions |  |  |
Property, plant and equipment |  |  |
Capital commitments | 426 | 331 |
Property, plant and equipment | Impumelelo Colliery to maintain Brandspruit Colliery operation |  |  |
Property, plant and equipment |  |  |
Capital commitments | 357 | 622 |
Property, plant and equipment | High-density polyethylene plant |  |  |
Property, plant and equipment |  |  |
Capital commitments |  | 622 |
Property, plant and equipment | Shondoni Colliery to maintain Middelbult Colliery operation |  |  |
Property, plant and equipment |  |  |
Capital commitments | 79 | 557 |
Property, plant and equipment | Canadian shale gas asset |  |  |
Property, plant and equipment |  |  |
Capital commitments | 73 | 237 |
Property, plant and equipment | Coal tar filtration east and west project |  |  |
Property, plant and equipment |  |  |
Capital commitments | 779 | 706 |
Property, plant and equipment | Other capital commitments |  |  |
Property, plant and equipment |  |  |
Capital commitments | 14,577 | 7,915 |
Within one year | Property, plant and equipment |  |  |
Property, plant and equipment |  |  |
Capital commitments | 38,150 | 59,236 |
One to five years | Property, plant and equipment |  |  |
Property, plant and equipment |  |  |
Capital commitments | R 25,126 | R 31,500 |

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