Consolidated Statement of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Fee revenue:
Servicing fees	$ 1,399	$ 1,272	$ 2,770	$ 2,559
Management fees	504	444	997	908
Foreign exchange trading services	286	325	632	769
Securities finance	109	92	208	184
Software and processing fees	216	245	390	357
Total fee revenue	2,514	2,378	4,997	4,777
Net interest income:
Interest income	467	674	938	1,542
Interest expense	0	115	4	319
Net interest income	467	559	934	1,223
Other income:
Gains (losses) from sales of available-for-sale securities, net	0	0	0	2
Other income	53	0	53	0
Total other income	53	0	53	2
Total revenue	3,034	2,937	5,984	6,002
Provision for credit losses	(15)	52	(24)	88
Expenses:
Compensation and employee benefits	1,077	1,051	2,319	2,259
Information systems and communications	398	376	819	761
Transaction processing services	263	233	533	487
Occupancy	100	109	209	218
Acquisition and restructuring costs	11	12	21	23
Amortization of other intangible assets	63	58	121	116
Other	199	243	421	473
Total expenses	2,111	2,082	4,443	4,337
Income before income tax expense	938	803	1,565	1,577
Income tax expense	175	109	283	249
Net income	763	694	1,282	1,328
Net income available to common shareholders	728	662	1,217	1,242
Net income available to common shareholders	$ 728	$ 662	$ 1,217	$ 1,242
Earnings per common share:
Basic (in USD per share)	$ 2.11	$ 1.88	$ 3.49	$ 3.52
Diluted (in USD per share)	$ 2.07	$ 1.86	$ 3.44	$ 3.48
Average common shares outstanding (in thousands):
Basic (in shares)	345,889	352,157	348,303	352,952
Diluted (in shares)	351,582	356,413	353,434	357,028
Cash dividends declared (in USD per share)	$ 0.52	$ 0.52	$ 1.04	$ 1.04