Consolidated Statement of Income - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Fee revenue:
Servicing fees	$ 1,259,000,000	$ 1,297,000,000	$ 2,476,000,000	$ 2,665,000,000
Management fees	461,000,000	490,000,000	918,000,000	1,010,000,000
Foreign exchange trading services	303,000,000	331,000,000	645,000,000	690,000,000
Securities finance	117,000,000	107,000,000	226,000,000	203,000,000
Software and processing fees	221,000,000	188,000,000	386,000,000	389,000,000
Other fee revenue	58,000,000	(43,000,000)	103,000,000	(14,000,000)
Total fee revenue	2,419,000,000	2,370,000,000	4,754,000,000	4,943,000,000
Net interest income:
Interest income	2,232,000,000	704,000,000	4,259,000,000	1,225,000,000
Interest expense	1,541,000,000	120,000,000	2,802,000,000	132,000,000
Net interest income	691,000,000	584,000,000	1,457,000,000	1,093,000,000
Other income:
Gains (losses) from sales of available-for-sale securities, net	0	(1,000,000)	0	(2,000,000)
Total other income (loss)	0	(1,000,000)	0	(2,000,000)
Total revenue	3,110,000,000	2,953,000,000	6,211,000,000	6,034,000,000
Provision for credit losses	(18,000,000)	10,000,000	26,000,000	10,000,000
Expenses:
Compensation and employee benefits	1,123,000,000	1,046,000,000	2,415,000,000	2,278,000,000
Information systems and communications	405,000,000	392,000,000	819,000,000	815,000,000
Transaction processing services	235,000,000	240,000,000	474,000,000	504,000,000
Occupancy	103,000,000	96,000,000	197,000,000	191,000,000
Acquisition and restructuring costs	0	12,000,000	0	21,000,000
Amortization of other intangible assets	60,000,000	60,000,000	120,000,000	121,000,000
Other	286,000,000	262,000,000	556,000,000	505,000,000
Total expenses	2,212,000,000	2,108,000,000	4,581,000,000	4,435,000,000
Income before income tax expense	916,000,000	835,000,000	1,604,000,000	1,589,000,000
Income tax expense	153,000,000	88,000,000	292,000,000	238,000,000
Net income	763,000,000	747,000,000	1,312,000,000	1,351,000,000
Net income available to common shareholders, basic	726,000,000	712,000,000	1,251,000,000	1,295,000,000
Net income available to common shareholders, diluted	$ 726,000,000	$ 712,000,000	$ 1,251,000,000	$ 1,295,000,000
Earnings per common share:
Basic (in USD per share)	$ 2.20	$ 1.94	$ 3.73	$ 3.53
Diluted (in USD per share)	$ 2.17	$ 1.91	$ 3.68	$ 3.48
Average common shares outstanding (in thousands):
Basic (in shares)	329,383	367,375	335,212	366,961
Diluted (in shares)	333,540	372,123	339,473	372,080
Cash dividends declared (in USD per share)	$ 0.63	$ 0.57	$ 1.26	$ 1.14