Line of Business Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Summary of Line of Business Results

The following is a summary of our line of business results for the periods indicated. The "Other" columns represent costs incurred that are not allocated to a specific line of business, including certain severance and restructuring costs, acquisition costs and certain provisions for legal contingencies.

	Three Months Ended March 31,
	Investment Servicing						Investment Management						Other						Total
(Dollars in millions)	2020			2019			2020			2019			2020			2019			2020			2019
Servicing fees	$	1,287		$	1,251		$	—		$	—		$	—		$	—		$	1,287		$	1,251
Management fees	—			—			449			420			—			—			449			420
Foreign exchange trading services	434			246			25			34			—			—			459			280
Securities finance	89			117			3			1			—			—			92			118
Software and processing fees	137			180			(25		)	11			—			—			112			191
Total fee revenue	1,947			1,794			452			466			—			—			2,399			2,260
Net interest income	663			679			1			(6		)	—			—			664			673
Total other income	2			(1		)	—			—			—			—			2			(1		)
Total revenue	2,612			2,472			453			460			—			—			3,065			2,932
Provision for credit losses	36			4			—			—			—			—			36			4
Total expenses	1,859			1,864			385			406			11			23			2,255			2,293
Income before income tax expense	$	717		$	604		$	68		$	54		$	(11	)	$	(23	)	$	774		$	635
Pre-tax margin	27		%	24		%	15		%	12		%							25		%	22		%