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Company statement of changes in equity - USD ($) $ in Millions | Total | Share capital [member] | Share premium account [Member] | Other reserves [Member] | Retained earnings [Member] | Rio Tinto plc [member] | Rio Tinto plc [member] Share capital [member] | Rio Tinto plc [member] Share premium account [Member] | Rio Tinto plc [member] Other reserves [Member] | Rio Tinto plc [member] Retained earnings [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Opening balance at Dec. 31, 2014 | $ 54,594 | $ 4,765 | $ 4,288 | $ 11,122 | $ 26,110 |  |  |  |  |
Profit/(loss) after tax for the year | (1,719) |  |  |  |  |  |  |  |  |
Dividends (note 11) | (4,391) |  |  |  | (4,076) |  |  |  |  |
Share buy-back |  |  |  |  | (1,946) |  |  |  |  |
Employee share options and other IFRS 2 charges to the income statement | 134 |  |  | 56 | 78 |  |  |  |  |
Closing balance at Dec. 31, 2015 | 44,128 | 4,174 | 4,300 | 9,139 | 19,736 | $ 24,970 | $ 224 | $ 4,300 | $ 11,988 | $ 8,458
Profit/(loss) after tax for the year | 4,776 |  |  |  |  | 6,875 |  |  |  | 6,875
Dividends (note 11) | (3,077) |  |  |  | (2,725) | (2,046) |  |  |  | (2,046)
Proceeds from issue of shares |  |  |  |  |  | 5 |  | 4 |  | 1
Employee share options and other IFRS 2 charges to the income statement | 125 |  |  | 61 | 64 | 58 |  |  |  | 58
Closing balance at Dec. 31, 2016 | 45,730 | 4,139 | 4,304 | 9,216 | 21,631 | 29,862 | 224 | 4,304 | 11,988 | 13,346
Profit/(loss) after tax for the year | 8,851 |  |  |  |  | 7,816 |  |  |  | 7,816
Dividends (note 11) | (4,653) |  |  |  | (4,250) | (3,255) |  |  |  | (3,255)
Proceeds from issue of shares |  |  |  |  |  | 2 |  | 2 |  |
Share buy-back | (2,397) |  |  |  | (2,312) | (1,828) | (4) |  | 4 | (1,828)
Employee share options and other IFRS 2 charges to the income statement | 98 |  |  | 41 | 57 | 45 |  |  |  | 45
Closing balance at Dec. 31, 2017 | $ 51,115 | $ 4,360 | $ 4,306 | $ 12,284 | $ 23,761 | $ 32,642 | $ 220 | $ 4,306 | $ 11,992 | $ 16,124

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