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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Dividends per share | $ 5.000245 | $ 8.227958 | $ 4.467623
Cash Dividend Paid [member] |  |  |
Dividends per share | $ 20.371278 |  |

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