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Equity (Common Stock Changes In Number of Shares Issued, Held In Treasury and Outstanding) (Details) - shares
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Class of Stock [Line Items]    
Common Stock, Shares, Issued 85,310,598,000,000  
Common Stock, Shares, Issued 85,310,598,000,000  
Common Stock Issuable [Member]    
Class of Stock [Line Items]    
Common Stock, Shares, Issued 85,310,598 85,310,598
Treasury Stock, Shares, Acquired 0 0
Stock Based Compensation Shares [1] 0 0
Common Stock, Shares, Issued 85,310,598 85,310,598
Common Stock Held In Treasury [Member]    
Class of Stock [Line Items]    
Common Stock, Shares, Issued 18,634,390 18,139,868
Treasury Stock, Shares, Acquired (371,343) (219,116)
Stock Based Compensation Shares [1] (235,601) (36,639)
Common Stock, Shares, Issued 18,770,132 18,322,345
Common Stock Outstanding [Member]    
Class of Stock [Line Items]    
Common Stock, Shares, Issued 66,676,208 67,170,730
Treasury Stock, Shares, Acquired (371,343) (219,116)
Stock Based Compensation Shares [1] (235,601) (36,639)
Common Stock, Shares, Issued 66,540,466 66,988,253
[1] Represents net shares issued from treasury pursuant to the Company’s equity-based compensation programs.