Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Percentage of income taxes receivable or payable	1.00%		1.00%
Preferred Series E [Member]
Preferred stock per share dividend amount	$ 16.125	$ 16.125	$ 48.375	$ 48.375
Preferred Series F [Member]
Preferred stock per share dividend amount	128.125	128.125	384.375	384.375
Preferred Series G [Member]
Preferred stock per share dividend amount	125	125	375	375
Preferred Series I [Member]
Preferred stock per share dividend amount	87.5	87.5	262.5	269.31
Preferred Series H [Member]
Preferred stock per share dividend amount	0.3516	0.3516	1.0547	0.7031
Retained Earnings [Member]
Common stock per share dividend amount	$ 1.3	$ 1.2	$ 3.9	$ 3.6