Consolidated Statement of Income - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Fee revenue:
Servicing fees	$ 5,365	$ 5,073	$ 5,153
Management fees	1,616	1,292	1,174
Trading services	1,071	1,099	1,146
Securities finance	606	562	496
Processing fees and other	247	90	309
Total fee revenue	8,905	8,116	8,278
Net interest income:
Interest income	2,908	2,512	2,488
Interest expense	604	428	400
Net interest income	2,304	2,084	2,088
Gains (losses) related to investment securities, net:
Gains (losses) from sales of available-for-sale securities, net	(39)	10	(5)
Losses from other-than-temporary impairment	0	(2)	(1)
Losses reclassified (from) to other comprehensive income	0	(1)	0
Gains (losses) related to investment securities, net	(39)	7	(6)
Total revenue	11,170	10,207	10,360
Provision for loan losses	2	10	12
Expenses:
Compensation and employee benefits	4,394	4,353	4,061
Information systems and communications	1,167	1,105	1,022
Transaction processing services	838	800	793
Occupancy	461	440	444
Acquisition and restructuring costs	266	209	25
Professional services	340	379	490
Amortization of other intangible assets	214	207	197
Other	589	584	1,018
Total expenses	8,269	8,077	8,050
Income before income tax expense (benefit)	2,899	2,120	2,298
Income tax expense (benefit)	722	(22)	318
Net income from non-controlling interest	0	1	0
Net income	2,177	2,143	1,980
Net income available to common shareholders	$ 1,993	$ 1,968	$ 1,848
Earnings per common share:
Basic (in USD per share)	$ 5.32	$ 5.03	$ 4.53
Diluted (in USD per share)	$ 5.24	$ 4.97	$ 4.47
Average common shares outstanding (in thousands):
Basic (in shares)	374,793	391,485	407,856
Diluted (in shares)	380,213	396,090	413,638
Cash dividends declared (in USD per share)	$ 1.6	$ 1.44	$ 1.32