Consolidated Statement of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Common stock dividends (in dollars per share)	$ 0.49	$ 0.48
Series A
Preferred stock dividends declared (in dollars per share)	1,667.221	1,462.428
Series B
Preferred stock dividends declared (in dollars per share)	390.264	339.357
Series J
Preferred stock dividends declared (in dollars per share)	662.50	662.50
Series K
Preferred stock dividends declared (in dollars per share)	343.75	343.75
Series L
Preferred stock dividends declared (in dollars per share)	234.375	234.375
Series M
Preferred stock dividends declared (in dollars per share)	250.00	250.00
Series N
Preferred stock dividends declared (in dollars per share)	231.25	231.25
Series O
Preferred stock dividends declared (in dollars per share)	$ 281.25	$ 281.25