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Group statement of changes in equity - USD ($)
$ in Millions
Total
Special Dividends
Share capital
Share premium
Other reserves
Retained earnings
Total
Non-controlling interests
Opening balance at Dec. 31, 2018 $ 49,823   $ 3,688 $ 4,312 $ 8,661 $ 27,025 $ 43,686 $ 6,137
Total comprehensive income [1] 2,691       229 3,661 3,890 (1,199)
Currency translation arising on Rio Tinto Limited's share capital (31)   (31)       (31)  
Dividends (7,042)         (6,843) (6,843) (199)
Share buy-back [2] (1,133)   (2)   2 (1,133) (1,133)  
Own shares purchased by Rio Tinto shareholders to satisfy share awards to employees [3] (8)       0 (8) (8)  
Change in equity interest held by Rio Tinto           45 45 (45)
Treasury shares reissued and other movements 1     1     1  
Equity issued to holders of non-controlling interests 43             43
Employee share options and other IFRS 2 charges to the income statement 71       31 40 71  
Closing balance at Jun. 30, 2019 $ 44,300   3,655 4,313 8,923 22,674 39,565 4,735
Dividends recognised as distributions to owners per share $ 1.800              
Dividends per share: proposed in the announcement of the results for the period (in USD per share) $ 1.510 $ 2.430            
Special dividends per share: proposed in the announcement of the results for the period   0.610            
Opening balance at Dec. 31, 2019 $ 45,242   3,655 4,313 9,177 23,387 40,532 4,710
Total comprehensive income [4] 2,310       (818) 3,107 2,289 21
Currency translation arising on Rio Tinto Limited's share capital (75)   (75)       (75)  
Dividends (3,927)         (3,607) (3,607) (320)
Share buy-back 1         (1) (1)  
Own shares purchased by Rio Tinto shareholders to satisfy share awards to employees [5] (30)       (12) (18) (30)  
Change in equity interest held by Rio Tinto           58 58 (58)
Treasury shares reissued and other movements 1     1     1  
Equity issued to holders of non-controlling interests 79             79
Employee share options and other IFRS 2 charges to the income statement 57       23 34 57  
Closing balance at Jun. 30, 2020 $ 43,656   $ 3,580 $ 4,314 $ 8,370 $ 22,960 $ 39,224 $ 4,432
Dividends recognised as distributions to owners per share $ 2.310              
Dividends per share: proposed in the announcement of the results for the period (in USD per share) $ 1.550 0            
Special dividends per share: proposed in the announcement of the results for the period   $ 0            
[1] Refer to Group statement of comprehensive income for further details.
[2] Total amount of US$1,133 million includes own shares purchased from owners of Rio Tinto plc as per the cash flow statement of US$988 million adjusted for the movement in a financial liability recognised in respect of irrevocable contracts in place as at 30 June 2019 and 31 December 2018 to cover the share buy-back programme.
[3] Net of contributions received from employees for share options.
[4] Refer to Group statement of comprehensive income for further details.
[5] Net of contributions received from employees for share awards to employees.