Line of Business Information (Tables)

3 Months Ended

Mar. 31, 2016

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” column represents 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, except where otherwise noted)	2016			2015			2016			2015			2016			2015			2016			2015
Servicing fees	$	1,242		$	1,268		$	—		$	—		$	—		$	—		$	1,242		$	1,268
Management fees	—			—			270			301			—			—			270			301
Trading services	262			315			10			9			—			—			272			324
Securities finance	134			101			—			—			—			—			134			101
Processing fees and other	45			59			7			2			—			—			52			61
Total fee revenue	1,683			1,743			287			312			—			—			1,970			2,055
Net interest revenue	511			545			1			1			—			—			512			546
Gains (losses) related to investment securities, net	2			(1		)	—			—			—			—			2			(1		)
Total revenue	2,196			2,287			288			313			—			—			2,484			2,600
Provision for loan losses	4			4			—			—			—			—			4			4
Total expenses	1,687			1,836			256			256			107			5			2,050			2,097
Income before income tax expense	$	505		$	447		$	32		$	57		$	(107	)	$	(5	)	$	430		$	499
Pre-tax margin	23		%	20		%	11		%	18		%							17		%	19		%