CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Common stock, per share (in dollars per share)	$ 0.35	$ 0.33	$ 0.70	$ 0.66
Stockholders' Equity Attributable to Parent	$ 19,226	$ 17,809	$ 19,226	$ 17,809
Common Stock
Stockholders' Equity Attributable to Parent	2,051	2,051	2,051	2,051
Preferred Stock
Stockholders' Equity Attributable to Parent	2,116	2,116	2,116	2,116
Capital Surplus
Stockholders' Equity Attributable to Parent	3,764	3,708	3,764	3,708
Retained Earnings
Stockholders' Equity Attributable to Parent	23,542	22,366	23,542	22,366
Accumulated Other Comprehensive Loss
Stockholders' Equity Attributable to Parent	(4,901)	(5,166)	(4,901)	(5,166)
Treasury Stock
Stockholders' Equity Attributable to Parent	$ (7,346)	$ (7,266)	$ (7,346)	$ (7,266)
Series H Preferred Stock
Preferred stock, per share (in dollars per share)	$ 543.27	$ 637.50	$ 1,088.36	$ 637.50
Series I Preferred Stock
Preferred stock, per share (in dollars per share)	586.04	414.06	1,173.9	828.12
Series J Preferred Stock
Preferred stock, per share (in dollars per share)	549.41	523.71	1,100.42	1,016.46
Series K Preferred Stock
Preferred stock, per share (in dollars per share)	309.38	309.38	618.75	618.75
Series L Preferred Stock
Preferred stock, per share (in dollars per share)	281.25	281.25	562.50	562.50
Class B, Series A Preferred Stock
Preferred stock, per share (in dollars per share)	$ 15.00	$ 15.00	$ 30.00	$ 30.00