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Equity And Earnings Per Share (Diluted Table) (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Diluted earnings per share:      
Net income available for common stockholders $ 755 $ 600 $ 380
Weighted Average Shares Outstanding [Abstract]      
Weighted Average Number of Shares Outstanding, Basic 108,112,199 104,965,050 100,460,016
Potentially dilutive common shares:      
Issuable pursuant to employee incentive plans 890,739 881,827 839,593
Weighted Average Number of Shares Outstanding, Diluted 109,002,938 105,846,877 101,299,609
Earnings Per Share, Diluted $ 6.93 $ 5.67 $ 3.75
Common Class A [Member]      
Weighted Average Shares Outstanding [Abstract]      
Weighted Average Number of Shares Outstanding, Basic 108,112,099 104,964,950 100,459,916
Common Class B [Member]      
Weighted Average Shares Outstanding [Abstract]      
Weighted Average Number of Shares Outstanding, Basic 100 100 100