CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
INTEREST INCOME:
Interest and fees on loans and leases (related party balances of $17, $18, $53 and $54, respectively)	$ 812	$ 754	$ 2,381	$ 2,235
Interest and fees on loans held for sale, at fair value	3	2	8	4
Interest and fees on other loans held for sale	3	0	7	22
Investment securities	154	155	468	458
Interest-bearing deposits in banks	2	2	4	4
Total interest income	974	913	2,868	2,723
INTEREST EXPENSE:
Deposits	65	41	177	108
Deposits held for sale	0	0	0	4
Federal funds purchased and securities sold under agreements to repurchase (related party balances of $1, $3, $6 and $16, respectively)	4	9	13	25
Other short-term borrowed funds (related party balances of $13, $16, $38 and $60, respectively)	17	21	51	70
Long-term borrowed funds (related party balances of $19, $17, $59 and $42, respectively)	32	22	95	55
Total interest expense	118	93	336	262
Net interest income	856	820	2,532	2,461
Provision for credit losses	76	77	211	247
Net interest income after provision for credit losses	780	743	2,321	2,214
NONINTEREST INCOME:
Service charges and fees (related party balances of $0, $1, $2 and $4, respectively)	145	144	419	430
Card fees	60	58	172	175
Trust and investment services fees	41	39	118	120
Mortgage banking fees	18	21	81	55
Capital markets fees (related party balances of $2, $4, $8 and $9, respectively)	21	22	73	66
Foreign exchange and trade finance fees (related party balances of $5, $59, $21 and $52, respectively)	22	26	67	70
Bank-owned life insurance income	14	13	40	36
Securities gains, net	2	2	19	27
Net impairment losses recognized in earnings	(2)	(1)	(5)	(7)
Other income (related party balances of ($75), $5, ($125) and ($130), respectively)	32	17	76	367
Total noninterest income	353	341	1,060	1,339
NONINTEREST EXPENSE:
Salaries and employee benefits	404	409	1,234	1,281
Outside services (related party balances of $3, $3, $8 and $19, respectively)	89	106	267	314
Occupancy (related party balances of $0, $0, $1 and $0, respectively)	75	77	245	245
Equipment expense	62	58	190	187
Amortization of software	35	38	108	102
Other operating expense	133	122	405	439
Total noninterest expense	798	810	2,449	2,568
Income before income tax expense	335	274	932	985
Income tax expense	115	85	313	317
NET INCOME	220	189	619	668
Net income available to common stockholders	$ 213	$ 189	$ 612	$ 668
Weighted-average common shares outstanding:
Basic (in Shares)	530,985,255	559,998,324	538,279,222	559,998,324
Diluted (in Shares)	533,398,158	560,243,747	540,926,361	560,081,031
Per common share information:
Basic earnings (in Dollars per Share)	$ 0.40	$ 0.34	$ 1.14	$ 1.19
Diluted earnings (in Dollars per Share)	0.40	0.34	1.13	1.19
Dividends declared and paid (in Dollars per Share)	$ 0.10	$ 0.68	$ 0.30	$ 1.34