Consolidated Statement of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fee revenue:
Servicing fees	$ 5,016	$ 4,922	$ 5,087
Management fees	2,124	1,876	1,939
Foreign exchange trading services	1,401	1,265	1,376
Securities finance	438	426	416
Software and processing fees	888	811	789
Other fee revenue	289	180	(1)
Total fee revenue	10,156	9,480	9,606
Net interest income:
Interest income	11,977	9,180	4,088
Interest expense	9,054	6,421	1,544
Net interest income	2,923	2,759	2,544
Other income:
Gains (losses) from sales of available-for-sale securities, net	(79)	(294)	(2)
Total other income	(79)	(294)	(2)
Total revenue	13,000	11,945	12,148
Provision for credit losses	75	46	20
Expenses:
Compensation and employee benefits	4,697	4,744	4,428
Information systems and communications	1,829	1,703	1,630
Transaction processing services	998	957	971
Occupancy	437	426	394
Acquisition and restructuring costs	0	(15)	65
Amortization of other intangible assets	230	239	238
Other	1,339	1,529	1,075
Total expenses	9,530	9,583	8,801
Income before income tax expense	3,395	2,316	3,327
Income tax expense	708	372	553
Net income	2,687	1,944	2,774
Net income available to common shareholders -basic	2,483	1,821	2,660
Net income available to common shareholders - diluted	$ 2,483	$ 1,821	$ 2,660
Earnings per common share:
Basic (in USD per share)	$ 8.33	$ 5.65	$ 7.28
Diluted (in USD per share)	$ 8.21	$ 5.58	$ 7.19
Average common shares outstanding (in thousands):
Basic (in shares)	297,883	322,337	365,214
Diluted (in shares)	302,226	326,568	370,109
Cash dividends declared (in USD per share)	$ 2.90	$ 2.64	$ 2.40