Equity Equity (Preferred Stock Dividends) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Dividends Payable [Line Items]
Dividends, Preferred Stock, Cash	$ 31	$ 34	$ 97	$ 101
Series A Preferred Stock
Dividends Payable [Line Items]
Dividends, Preferred Stock, Cash	$ 8	$ 10	$ 17	$ 20
Preferred Stock, Dividends Per Share, Declared	$ 0.351	$ 0.430	$ 0.706	$ 0.850
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	$ 11	$ 12	$ 22	$ 23
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	$ 19	$ 19
Preferred Stock, Dividends Per Share, Declared	$ 0	$ 0	$ 19.250	$ 19.250