v3.26.1
Equity Equity (Preferred Stock Dividends) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dividends Payable [Line Items]          
Dividends, Preferred Stock, Cash $ 31 $ 31 $ 76 $ 97  
Series A Preferred Stock          
Dividends Payable [Line Items]          
Dividends, Preferred Stock, Cash $ 7 $ 8 $ 14 $ 17  
Preferred Stock, Dividends Per Share, Declared $ 0.312 $ 0.351 $ 0.627 $ 0.706  
Series D Preferred Stock          
Dividends Payable [Line Items]          
Dividends, Preferred Stock, Cash $ 0 $ 0 $ 15 $ 15  
Preferred Stock, Dividends Per Share, Declared $ 0 $ 0 $ 29.375 $ 29.375  
Series E Preferred Stock          
Dividends Payable [Line Items]          
Dividends, Preferred Stock, Cash $ 12 $ 11 $ 23 $ 22  
Preferred Stock, Dividends Per Share, Declared $ 351.563 $ 351.563 $ 703.126 $ 703.126  
Series F Preferred Stock [Member]          
Dividends Payable [Line Items]          
Dividends, Preferred Stock, Cash $ 12 $ 12 $ 24 $ 24  
Preferred Stock, Dividends Per Share, Declared $ 296.875 $ 296.875 $ 593.750 $ 593.750  
Series G Preferred Stock          
Dividends Payable [Line Items]          
Dividends, Preferred Stock, Cash $ 0 $ 0 $ 0 $ 19  
Preferred Stock, Dividends Per Share, Declared $ 0 $ 0 $ 0 $ 19.250  
Preferred Stock, Dividend Rate, Percentage         3.85%