Line of Business Information (Tables)

6 Months Ended

Jun. 30, 2017

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 June 30,
	Investment Servicing							Investment Management						Other						Total
(Dollars in millions)	2017			2016				2017			2016			2017			2016			2017			2016
Servicing fees	$	1,339		$	1,239			$	—		$	—		$	—		$	—		$	1,339		$	1,239
Management fees	—			—				397			293			—			—			397			293
Trading services	272			254				17			13			—			—			289			267
Securities finance	179			156				—			—			—			—			179			156
Processing fees and other	32			103				(1		)	(5		)	—			—			31			98
Total fee revenue	1,822			1,752				413			301			—			—			2,235			2,053
Net interest income	576			520				(1		)	1			—			—			575			521
Gains (losses) related to investment securities, net	—			(1		)		—			—			—			—			—			(1		)
Total revenue	2,398			2,271				412			302			—			—			2,810			2,573
Provision for loan losses	3			4				—			—			—			—			3			4
Total expenses	1,649			1,599				311			244			71			17			2,031			1,860
Income before income tax expense	$	746		$	668			$	101		$	58		$	(71	)	$	(17	)	$	776		$	709
Pre-tax margin	31		%	29		%		25		%	19		%							28		%	28		%
	Six Months Ended June 30,
	Investment Servicing							Investment Management						Other						Total
(Dollars in millions)	2017			2016				2017			2016			2017			2016			2017			2016
Servicing fees	$	2,635		$	2,481			$	—		$	—		$	—		$	—		$	2,635		$	2,481
Management fees	—			—				779			563			—			—			779			563
Trading services	529			512				35			27			—			—			564			539
Securities finance	312			290				—			—			—			—			312			290
Processing fees and other	138			152				5			(2		)	—			—			143			150
Total fee revenue	3,614			3,435				819			588			—			—			4,433			4,023
Net interest income	1,085			1,032				—			1			—			—			1,085			1,033
Gains (losses) related to investment securities, net	(40		)	1				—			—			—			—			(40		)	1
Total revenue	4,659			4,468			—	819			589			—			—			5,478			5,057
Provision for loan losses	1			8				—			—			—			—			1			8
Total expenses	3,377			3,286				640			500			100			124			4,117			3,910
Income before income tax expense	$	1,281		$	1,174			$	179		$	89		$	(100	)	$	(124	)	$	1,360		$	1,139
Pre-tax margin	27		%	26		%		22		%	15		%							25		%	23		%