CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Dividends declared, quarterly, per share (in dollars per share)	$ 0.45	$ 0.375
Dividends paid, quarterly, per share (in dollars per share)	$ 0.45	$ 0.375
Preferred stock	$ 1,981		$ 2,324
Series A preferred stock
Preferred stock	$ 723	$ 430	$ 1,000	$ 486