Equity (Dividends per Share) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Common stock, dividends (in USD per share)	$ 6.10	$ 5.75	$ 4.80
Series B Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	1.80	1.80	1.80
Series O Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	8,848	4,881	7,722
Series P Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)		6,181	6,125
Series R Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	6,808	4,850	4,850
Series S Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	5,000	5,000	5,000
Series T Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	3,400	3,400	869
Series U Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	6,000	3,317
Series V Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	6,200	$ 1,998
Series W Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Dividends (in USD per share)	$ 5,347