Consolidated Statement of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Fee revenue:
Servicing fees	$ 5,167	$ 5,074	$ 5,421
Management fees	1,880	1,824	1,899
Foreign exchange trading services	1,363	1,058	1,153
Securities finance	356	471	543
Software and processing fees	733	720	438
Total fee revenue	9,499	9,147	9,454
Net interest income:
Interest income	2,575	3,941	3,662
Interest expense	375	1,375	991
Net interest income	2,200	2,566	2,671
Other income:
Gains (losses) from sales of available-for-sale securities, net	4	(1)	9
Other income	0	44	(3)
Total other income	4	43	6
Total revenue	11,703	11,756	12,131
Provision for credit losses	88	10	15
Expenses:
Compensation and employee benefits	4,450	4,541	4,780
Information systems and communications	1,550	1,465	1,324
Transaction processing services	978	983	985
Occupancy	489	470	500
Acquisition and restructuring costs	50	77	24
Amortization of other intangible assets	234	236	226
Other	965	1,262	1,176
Total expenses	8,716	9,034	9,015
Income before income tax expense	2,899	2,712	3,101
Income tax expense	479	470	508
Net income	2,420	2,242	2,593
Net income available to common shareholders	$ 2,257	$ 2,009	$ 2,404
Earnings per common share:
Basic (in USD per share)	$ 6.40	$ 5.43	$ 6.46
Diluted (in USD per share)	$ 6.32	$ 5.38	$ 6.39
Average common shares outstanding (in thousands):
Basic (in shares)	352,865	369,911	371,983
Diluted (in shares)	357,106	373,666	376,476
Cash dividends declared (in USD per share)	$ 2.08	$ 1.98	$ 1.78