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CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - shares
Jun. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Preferred stock, outstanding (in shares) 100,000 100,000
Common stock, outstanding (in shares) 1,082,934,567 1,080,564,947
Treasury stock (in shares) 149,199,930 149,051,634