Consolidated Statements of Changes in Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		4 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Aug. 31, 2024	Aug. 31, 2023
Preferred Stock, Dividends Per Share, Declared (in dollars per share)	$ 2.81	$ 2.93	$ 2.96	$ 2.92
Preferred Stock, Dividends Per Share, Declared (in dollars per share)	$ 2.81	$ 2.93	$ 2.96	$ 2.92