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Shareholders' Equity - Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Class of Stock [Line Items]          
Aggregate (in shares) $ 16 $ 16 $ 37 $ 37  
Preferred Stock, shares authorized (in shares) 100,000,000   100,000,000   100,000,000
Preferred Stock          
Class of Stock [Line Items]          
Preferred Stock, shares issued (in shares) 625,000   625,000   625,000
Preferred Stock, shares outstanding (in shares) 625,000   625,000   625,000
Series A Preferred Stock          
Class of Stock [Line Items]          
Dividend rate, percentage     7.758%    
Preferred Stock, shares issued (in shares) 325,000   325,000   325,000
Preferred Stock, shares outstanding (in shares) 325,000   325,000   325,000
Per Share (usd per share) $ 38.790 $ 38.790 $ 77.580 $ 77.580  
Aggregate (in shares) $ 13 $ 13 $ 25 $ 25  
Series B Preferred Stock          
Class of Stock [Line Items]          
Dividend rate, percentage     5.35%    
Preferred Stock, shares issued (in shares) 300,000   300,000   300,000
Preferred Stock, shares outstanding (in shares) 300,000   300,000   300,000
Per Share (usd per share) $ 13.375 $ 13.375 $ 40.125 $ 40.125  
Aggregate (in shares) $ 4 $ 4 $ 12 $ 12