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Changes in Capital Structure - Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 09, 2023
Mar. 31, 2023
Mar. 31, 2022
Class of Stock [Line Items]      
Proceeds from issuance of preferred stock   $ 636 $ 0
Series A Preferred Stock | Preferred Stock      
Class of Stock [Line Items]      
Issuance of Series A Preferred Stock (in shares) 650,000 650,000  
Preferred stock, dividend rate, percentage 10.25%    
Proceeds from issuance of preferred stock $ 636    
Series A Preferred Stock | Preferred Stock | US Treasury (UST) Interest Rate      
Class of Stock [Line Items]      
Preferred stock, dividend rate, floor 1.00%    
Preferred stock, dividend rate, basis spread on variable rate 5.92%    
Preferred stock, liquidation preference (in usd per share) $ 1,000