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Segment report - Segment information (Details) - ZAR (R) R in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2018
Income Statement |  |  |
Turnover | R 102,944 | R 88,153 | R 181,461
Earnings before interest and tax (EBIT) | 20,791 | 11,786 | 17,747
Operating Business Units |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 3,425 | 215 | 1,561
Mining |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 2,661 | 2,864 | 5,244
Exploration And Production International |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 764 | (2,649) | (3,683)
Strategic Business Units |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 16,240 | 12,178 | 22,852
Energy |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 9,565 | 5,748 | 14,081
Base Chemicals |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 3,076 | 2,541 | 918
Performance Chemicals |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 3,599 | 3,889 | 7,853
Group Functions |  |  |
Income Statement |  |  |
Earnings before interest and tax (EBIT) | 1,126 | (607) | (6,666)
Group performance |  |  |
Income Statement |  |  |
Turnover | 114,013 | 98,720 | 202,807
Group performance | Operating Business Units |  |  |
Income Statement |  |  |
Turnover | 12,584 | 11,973 | 23,995
Group performance | Mining |  |  |
Income Statement |  |  |
Turnover | 9,906 | 10,015 | 19,797
Group performance | Exploration And Production International |  |  |
Income Statement |  |  |
Turnover | 2,678 | 1,958 | 4,198
Group performance | Strategic Business Units |  |  |
Income Statement |  |  |
Turnover | 101,403 | 86,740 | 178,760
Group performance | Energy |  |  |
Income Statement |  |  |
Turnover | 43,623 | 32,746 | 69,773
Group performance | Base Chemicals |  |  |
Income Statement |  |  |
Turnover | 23,011 | 22,017 | 43,979
Group performance | Performance Chemicals |  |  |
Income Statement |  |  |
Turnover | 34,769 | 31,977 | 65,008
Group performance | Group Functions |  |  |
Income Statement |  |  |
Turnover | 26 | 7 | 52
Intersegmental turnover |  |  |
Income Statement |  |  |
Turnover | R (11,069) | R (10,567) | R (21,346)

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