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Equity And Earnings Per Share (Basic Table) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Basic earnings per share:    
Net income available for common stockholders $ 73 $ 107
Weighted average shares of common stock outstanding:    
Weighted Average Number of Shares Outstanding, Basic 98,226,147 90,789,321
Basic earnings per share $ 0.74 $ 1.18
Common Class A [Member]    
Weighted average shares of common stock outstanding:    
Weighted Average Number of Shares Outstanding, Basic 98,226,047 90,789,221
Common Class B [Member]    
Weighted average shares of common stock outstanding:    
Weighted Average Number of Shares Outstanding, Basic 100 100