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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) - $ / shares
12 Months Ended
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