Line of Business Information (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	Investment Servicing						Investment Management						Other				Total
(Dollars in millions)	2023			2022			2023			2022			2023		2022		2023			2022
Servicing fees	$	1,217		$	1,368		$	—		$	—		$	—	$	—	$	1,217		$	1,368
Management fees	—			—			457			520			—		—		457			520
Foreign exchange trading services	321			342			21			17			—		—		342			359
Securities finance	103			93			6			3			—		—		109			96
Software and processing fees	165			201			—			—			—		—		165			201
Other fee revenue	28			46			17			(17)			—		—		45			29
Total fee revenue	1,834			2,050			501			523			—		—		2,335			2,573
Net interest income	762			509			4			—			—		—		766			509
Total other income	—			(1)			—			—			—		—		—			(1)
Total revenue	2,596			2,558			505			523			—		—		3,101			3,081
Provision for credit losses	44			—			—			—			—		—		44			—
Total expenses	1,978			1,925			386			389			5		13		2,369			2,327
Income before income tax expense	$	574		$	633		$	119		$	134		$	(5)	$	(13)	$	688		$	754
Pre-tax margin	22		%	25		%	24		%	26		%					22		%	24		%