R millions   Reviewed  
6 months to  
31 December  
2018
  
    Reviewed  
6 months to  
31 December  
2017  
    Audited  
Annual  
30 June  
2018  
   
Bombela & Middle East   1 656       1 399       1 326      
Power & Water   873       1 039       956      
Underground Mining   2 702       1 763       1 995      
Oil & Gas   2 019       2 411       2 334      
Corporate & Properties6   355       381       460      
Continuing operations   7 605       6 993       7 071      
Discontinued operations7   213       337       222      
    7 818       7 330       7 293      
Reconciliation of segmental liabilities                          
Total liabilities   8 030       7 979       7 542      
Deferred taxation liabilities   (71)     (68)     (75)    
Current taxation liabilities   (39)     (58)     (63)    
Bank overdrafts   (102)     (523)     (111)    
    7 818       7 330       7 293      
6 Corporate segmental assets and liabilities include the inter-segment eliminations of group balances and transactions. 
7 Discontinued operations includes the close out of retained assets and liabilities, following the sale of Genrec operations and the Southern African Infrastructure & Building businesses in prior financial years.