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Long-term provisions - Expected timing of future cash flows and Business segmentation (Details) - ZAR (R) R in Millions | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
--- | --- | --- | ---
Provisions |  |  |
Total provisions | R 19,960 | R 17,727 | R 18,779
Short-term portion | (2,338) | (2,567) |
Long-term provisions | 17,622 | 15,160 |
Estimated undiscounted obligation | 101,100 | 102,952 |
Mining |  |  |
Provisions |  |  |
Long-term provisions | 1,439 | 1,324 |
Exploration And Production International |  |  |
Provisions |  |  |
Long-term provisions | 6,779 | 5,677 |
Energy |  |  |
Provisions |  |  |
Long-term provisions | 3,427 | 2,909 |
Base Chemicals |  |  |
Provisions |  |  |
Long-term provisions | 3,919 | 3,321 |
Performance Chemicals |  |  |
Provisions |  |  |
Long-term provisions | 2,038 | 1,909 |
Group Functions |  |  |
Provisions |  |  |
Long-term provisions | 20 | 20 |
Within one year |  |  |
Provisions |  |  |
Total provisions | 2,338 | 2,567 |
One to five years |  |  |
Provisions |  |  |
Total provisions | 3,291 | 3,715 |
More than five years |  |  |
Provisions |  |  |
Total provisions | R 14,331 | R 11,445 |

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