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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, 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 | 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 | 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
Share-based compensation | 8 | 8 | 0 | 6 | 0 | 2 | 0 | 0 | 0
Dividends | (119) | (118) | 0 | 0 | 0 | 0 | 0 | (118) | (1)
Comprensive income | 138 | 115 | 0 | 0 | 108 | 17 | 0 | (10) | 23
Balance as at End of Period at Dec. 31, 2020 | $ 4,088 | $ 3,930 | $ 546 | $ 204 | $ (334) | $ 22 | $ (260) | $ 3,752 | $ 158

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