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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
TREASURY STOCK, AT COST:      
Purchases, shares 20,000.00 71,000,000 1,680,000
RETAINED EARNINGS:      
Cash dividends declared on common stock, per share $ 2.84 $ 1.98 $ 3.58