Line of Business Information (Tables)

6 Months Ended

Jun. 30, 2023

Segment Reporting [Abstract]

Summary of Line of Business Results

The following tables summarize our line of business results for the periods indicated. The "Other" columns represent amounts that are not allocated to our two lines of business, including repositioning charges, employee costs, acquisition costs, revenue-related recoveries and certain legal accruals.

	Three Months Ended June 30,
	Investment Servicing						Investment Management						Other				Total
(Dollars in millions)	2023			2022			2023			2022			2023		2022		2023			2022
Servicing fees	$	1,259		$	1,297		$	—		$	—		$	—	$	—	$	1,259		$	1,297
Management fees	—			—			461			490			—		—		461			490
Foreign exchange trading services	276			313			27			18			—		—		303			331
Securities finance	109			102			8			5			—		—		117			107
Software and processing fees	221			188			—			—			—		—		221			188
Other fee revenue	55			(12)			3			(31)			—		—		58			(43)
Total fee revenue	1,920			1,888			499			482			—		—		2,419			2,370
Net interest income	687			588			4			(4)			—		—		691			584
Total other income	—			(1)			—			—			—		—		—			(1)
Total revenue	2,607			2,475			503			478			—		—		3,110			2,953
Provision for credit losses	(18)			10			—			—			—		—		(18)			10
Total expenses	1,850			1,767			361			327			1		14		2,212			2,108
Income before income tax expense	$	775		$	698		$	142		$	151		$	(1)	$	(14)	$	916		$	835
Pre-tax margin	30		%	28		%	28		%	32		%					29		%	28		%
	Six Months Ended June 30,
	Investment Servicing						Investment Management						Other				Total
(Dollars in millions)	2023			2022			2023			2022			2023		2022		2023			2022
Servicing fees	$	2,476		$	2,665		$	—		$	—		$	—	$	—	$	2,476		$	2,665
Management fees	—			—			918			1,010			—		—		918			1,010
Foreign exchange trading services	597			655			48			35			—		—		645			690
Securities finance	212			195			14			8			—		—		226			203
Software and processing fees (1)	386			389			—			—			—		—		386			389
Other fee revenue	83			34			20			(48)					—		103			(14)
Total fee revenue	3,754			3,938			1,000			1,005			—		—		4,754			4,943
Net interest income	1,449			1,097			8			(4)			—		—		1,457			1,093
Total other income	—			(2)			—			—			—		—		—			(2)
Total revenue	5,203			5,033			1,008			1,001			—		—		6,211			6,034
Provision for credit losses	26			10			—			—			—		—		26			10
Total expenses	3,828			3,692			747			716			6		27		4,581			4,435
Income before income tax expense	$	1,349		$	1,331		$	261		$	285		$	(6)	$	(27)	1,604			$	1,589
Pre-tax margin	26		%	26		%	26		%	28		%					26		%	26		%