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Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Preferred Stock, No Par Value $ 0 $ 0
Preferred Stock, Shares Authorized 4,000 4,000
Preferred Stock, Shares Issued 4,000 4,000
Common stock, par value $ 5 $ 5
Common stock, authorized shares 325,000,000 325,000,000
Common stock, issued shares 228,164,824 228,164,824
Shares in treasury 97,476,872 88,997,430