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Equity And Earnings Per Share (Diluted Table) (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Diluted earnings per share:      
Net income available for common stockholders $ 380 $ 308 $ 195
Weighted Average Shares Outstanding [Abstract]      
Weighted Average Number of Shares Outstanding, Basic 100,460,016 94,167,572 79,939,289
Potentially dilutive common shares:      
Issuable pursuant to employee incentive plans 839,593 842,308 699,619
Weighted Average Number of Shares Outstanding, Diluted 101,299,609 95,009,880 80,638,908
Earnings Per Share, Diluted $ 3.75 $ 3.24 $ 2.42
Common Class A [Member]      
Weighted Average Shares Outstanding [Abstract]      
Weighted Average Number of Shares Outstanding, Basic 100,459,916 94,167,472 79,939,189
Common Class B [Member]      
Weighted Average Shares Outstanding [Abstract]      
Weighted Average Number of Shares Outstanding, Basic 100 100 100