Equity attributable   Non-    
    Share   Share   Other   Retained   to owners   controlling    
Rm   capital   premium   reserves   profit   of the parent   interests   Total
                             
Balance as at December 2014 (Audited)    2.2    733.4    550.5    4,048.3    5,334.4    192.8    5,527.2
Dividends declared          (914.1)    (914.1)    (52.7)    (966.8)
Total comprehensive income        (16.2)    1,112.8    1,096.6    56.4    1,153.0
Changes in non-controlling interests        (18.7)      (18.7)    (41.4)    (60.1)
IFRS 2 charge and Share Trust transactions        218.5    (23.6)    194.9      194.9
Treasury shares acquired      (58.3)    1.2      (57.1)      (57.1)
Balance as at December 2015 (Audited)    2.2    675.1    735.3    4,223.4    5,636.0    155.1    5,791.1
Dividends declared          (404.4)    (404.4)    (48.5)    (452.9)
Total comprehensive income        (364.6)    1,308.2    943.6    14.4    958.0
Changes in non-controlling interests        (132.3)      (132.3)    (45.4)    (177.7)
IFRS 2 charge and Share Trust transactions        198.5    (28.1)    170.4      170.4
Treasury shares acquired      (106.1)    0.9      (105.2)      (105.2)
                             
Year ended December 2016 (Reviewed)    2.2    569.0    437.8    5,099.1    6,108.1    75.6    6,183.7