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Consolidated Statements of Changes in Equity - USD ($) $ in Millions | Total | Attributable to the shareholders of the Company [Member] | Share capital [Member] | Share premium [Member] | Cumulative translation adjustment [Member] | Capital reserves [Member] | Treasury shares, at cost [Member] | Retained earnings [Member] | Non-controlling interests [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance as at Start of Period at Dec. 31, 2016 | $ 2,659 | $ 2,574 | $ 544 | $ 174 | $ (481) | $ 79 | $ (260) | $ 2,518 | $ 85
Share-based compensation | 16 | 16 | 1 | 12 | 0 | 3 | 0 | 0 | 0
Dividends | (178) | (177) | 0 | 0 | 0 | 0 | 0 | (177) | (1)
Comprensive income (loss) | 433 | 446 | 0 | 0 | 148 | (52) | 0 | 350 | (13)
Balance as at End of Period at Dec. 31, 2017 | 2,930 | 2,859 | 545 | 186 | (333) | 30 | (260) | 2,691 | 71
Share-based compensation | 19 | 19 | 1 | 7 | 0 | 11 | 0 | 0 | 0
Dividends | (242) | (241) | 0 | 0 | 0 | 0 | 0 | (241) | (1)
Capitalization of subsidiary debt | 73 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 73
Comprensive income (loss) | 1,135 | 1,144 | 0 | 0 | (91) | (58) | 0 | 1,293 | (9)
Balance as at End of Period at Dec. 31, 2018 | 3,915 | 3,781 | 546 | 193 | (424) | (17) | (260) | 3,743 | 134
Share-based compensation | 12 | 12 | 0 | 5 | 0 | 7 | 0 | 0 | 0
Dividends | (275) | (273) | 0 | 0 | 0 | 0 | 0 | (273) | (2)
Comprensive income (loss) | 409 | 405 | 0 | 0 | (18) | 13 | 0 | 410 | 4
Balance as at End of Period at Dec. 31, 2019 | $ 4,061 | $ 3,925 | $ 546 | $ 198 | $ (442) | $ 3 | $ (260) | $ 3,880 | $ 136

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