Line of Business Information (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Components of Other in Segment Reporting

The following is a summary of our line of business results "Other" column for the periods indicated.

	Years Ended December 31,
	Other
(Dollars in millions)	2020		2019		2018
Net repositioning charges	$	133	$	110	$	300
Net acquisition and restructuring costs	50		77		24
Accrual release	(9)		—		—
Legal and related expenses	—		172		50
Business exit costs	—		—		24
Total	$	174	$	359	$	398

Summary of Line of Business Results

The following is a summary of our line of business results for the periods indicated. The amounts in the “Other” columns were not allocated to our business lines. Prior reported results reflect reclassifications, for comparative purposes, related to management changes in methodologies associated with allocations of revenue and expenses to lines of business in 2020.

	Years Ended December 31,
	Investment Servicing									Investment Management									Other						Total
(Dollars in millions)	2020			2019			2018			2020			2019			2018			2020		2019		2018		2020			2019			2018
Servicing fees	$	5,167		$	5,074		$	5,429		$	—		$	—		$	—		$	—	$	—	$	(8)	$	5,167		$	5,074		$	5,421
Management fees	—			—			—			1,880			1,824			1,899			—		—		—		1,880			1,824			1,899
Foreign exchange trading services	1,299			974			1,071			64			84			82			—		—		—		1,363			1,058			1,153
Securities finance	342			462			543			14			9			—			—		—		—		356			471			543
Software and processing fees(1)(2)	706			691			443			27			29			(5)			—		—		—		733			720			438
Total fee revenue(1)	7,514			7,201			7,486			1,985			1,946			1,976			—		—		(8)		9,499			9,147			9,454
Net interest income	2,211			2,590			2,691			(11)			(24)			(20)			—		—		—		2,200			2,566			2,671
Total other income	4			43			6			—			—			—			—		—		—		4			43			6
Total revenue(1)	9,729			9,834			10,183			1,974			1,922			1,956			—		—		(8)		11,703			11,756			12,131
Provision for credit losses	88			10			15			—			—			—			—		—		—		88			10			15
Total expenses(1)	7,071			7,140			7,081			1,471			1,535			1,544			174		359		390		8,716			9,034			9,015
Income before income tax expense	$	2,570		$	2,684		$	3,087		$	503		$	387		$	412		$	(174)	$	(359)	$	(398)	$	2,899		$	2,712		$	3,101
Pre-tax margin	26		%	27		%	30		%	25		%	20		%	21		%							25		%	23		%	26		%
Average assets (in billions)	$	266.4		$	220.3		$	220.2		$	2.9		$	3.0		$	3.2								$	269.3		$	223.3		$	223.4

(1) Investment Servicing includes results from our acquisition of CRD on October 1, 2018.

(2) Investment Management includes other revenue items that are primarily driven by equity market movements.