CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
INTEREST INCOME:
Interest and fees on loans and leases	$ 5,010	$ 4,249	$ 3,653
Interest and fees on loans held for sale, at fair value	37	18	15
Interest and fees on other loans held for sale	10	10	6
Investment securities	672	625	584
Interest-bearing deposits in banks	29	18	8
Total interest income	5,758	4,920	4,266
INTEREST EXPENSE:
Deposits	785	441	270
Federal funds purchased and securities sold under agreements to repurchase	6	3	2
Other short-term borrowed funds	57	31	40
Long-term borrowed funds	378	272	196
Total interest expense	1,226	747	508
Net interest income	4,532	4,173	3,758
Provision for credit losses	326	321	369
Net interest income after provision for credit losses	4,206	3,852	3,389
NONINTEREST INCOME:
Service charges and fees	513	516	522
Card fees	244	233	203
Capital markets fees	179	194	136
Trust and investment services fees	171	158	146
Mortgage banking fees	152	108	112
Letter of credit and loan fees	128	121	112
Foreign exchange and interest rate products	126	109	103
Securities gains, net	19	11	16
Net securities impairment losses recognized in earnings	(3)	(7)	(12)
Other income	67	91	159
Total noninterest income	1,596	1,534	1,497
NONINTEREST EXPENSE:
Salaries and employee benefits	1,880	1,766	1,714
Outside services	447	404	377
Occupancy	333	319	307
Equipment expense	275	263	263
Amortization of software	189	180	170
Other operating expense	495	542	521
Total noninterest expense	3,619	3,474	3,352
Income before income tax expense	2,183	1,912	1,534
Income tax expense	462	260	489
NET INCOME	1,721	1,652	1,045
Net income available to common stockholders	$ 1,692	$ 1,638	$ 1,031
Weighted-average common shares outstanding:
Basic (in shares)	478,822,072	502,157,440	522,093,545
Diluted (in shares)	480,430,741	503,685,091	523,930,718
Per common share information:
Basic earnings (in dollars per share)	$ 3.54	$ 3.26	$ 1.97
Diluted earnings (in dollars per share)	$ 3.52	$ 3.25	$ 1.97