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Property, plant and equipment - Significant capital commitment (Details) - Property, plant and equipment - ZAR (R) R in Millions | 12 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Property, plant and equipment |  |
Capital commitments | R 45,284 | R 39,888
Shutdown and major statutory maintenance |  |
Property, plant and equipment |  |
Capital commitments | 7,963 | 6,439
Capital expenditure | 6,082 | 2,583
Environmental projects to sustain operations |  |
Property, plant and equipment |  |
Capital commitments | 3,449 | 3,033
Capital expenditure | 1,520 | 1,806
Clean fuels II |  |
Property, plant and equipment |  |
Capital commitments | 2,632 | 1,483
Capital expenditure | 893 | 237
Environmental projects to expand operations |  |
Property, plant and equipment |  |
Capital commitments | 640 |
Mozambique exploration and development |  |
Property, plant and equipment |  |
Capital commitments | 11,448 | 10,786
Capital expenditure | 1,377 | 234
Lake Charles Chemicals Project |  |
Property, plant and equipment |  |
Capital commitments |  | 798
Capital expenditure | R 99 | R 684

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