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Parent Only Statements - Balance Sheets Parentheticals (Details) - USD ($)
$ / shares in Units, $ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Nov. 30, 2020
Oct. 31, 2020
Condensed Financial Statements, Captions [Line Items]        
Preferred stock, par value/stated value (in dollars per share) $ 0.20 $ 0.20    
Preferred stock, shares authorized (in shares) 20,000,000 20,000,000    
Common stock, par value (in dollars per share) $ 0.20 $ 0.20    
Common stock, shares authorized (in shares) 1,125,000,000 1,125,000,000    
Common stock, shares issued (in shares) 432,000,000.0 456,700,000    
Accumulated other comprehensive income, tax $ 5,707 $ (10,908)    
Common stock held in treasury (In shares) 153,100,000 81,400,000    
Series B Preferred Stock        
Condensed Financial Statements, Captions [Line Items]        
Preferred stock, par value/stated value (in dollars per share) $ 100 $ 100    
Common stock, par value (in dollars per share)     $ 45  
Common stock, shares authorized (in shares)       2,000,000
Common stock, shares issued (in shares)     1,489,304  
Parent Company        
Condensed Financial Statements, Captions [Line Items]        
Preferred stock, par value/stated value (in dollars per share) $ 0.20 $ 0.20    
Preferred stock, shares authorized (in shares) 20,000,000 20,000,000    
Common stock, par value (in dollars per share) $ 0.20 $ 0.20    
Common stock, shares authorized (in shares) 1,125,000,000 1,125,000,000    
Common stock, shares issued (in shares) 432,000,000.0 456,700,000    
Accumulated other comprehensive income, tax $ 5,707 $ (10,908)    
Common stock held in treasury (In shares) 153,100,000 81,400,000    
Parent Company | Series B Preferred Stock        
Condensed Financial Statements, Captions [Line Items]        
Preferred stock, par value/stated value (in dollars per share) $ 100 $ 100    
Preferred stock, shares issued (in shares) 2,500,000 2,500,000