CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest income:
Loans, including loans held for sale	$ 17,662	$ 18,222	$ 17,544
Investment securities	1,628	1,575	1,329
Other	107	101	91
Total interest income	19,397	19,898	18,964
Interest expense:
Deposits	1,088	1,241	1,403
Securitized debt obligations	145	183	271
Senior and subordinated notes	299	315	345
Other borrowings	47	53	356
Total interest expense	1,579	1,792	2,375
Net interest income	17,818	18,106	16,589
Provision for credit losses	3,541	3,453	4,415
Net interest income after provision for credit losses	14,277	14,653	12,174
Non-interest income:
Service charges and other customer-related fees	1,867	2,118	2,106
Interchange fees, net	2,021	1,896	1,647
Total other-than-temporary impairment	(23)	(37)	(38)
Less: Portion of other-than-temporary impairment recorded in AOCI	(1)	(4)	(14)
Net other-than-temporary impairment recognized in earnings	(24)	(41)	(52)
Bargain purchase gain	0	0	594
Other	608	305	512
Total non-interest income	4,472	4,278	4,807
Non-interest expense:
Salaries and associate benefits	4,593	4,480	3,991
Occupancy and equipment	1,745	1,541	1,358
Marketing	1,561	1,373	1,366
Professional services	1,216	1,347	1,417
Communications and data processing	798	897	807
Amortization of intangibles	532	671	609
Other	1,735	2,044	2,249
Total non-interest expense	12,180	12,353	11,797
Income from continuing operations before income taxes	6,569	6,578	5,184
Income tax provision	2,146	2,224	1,475
Income from continuing operations, net of tax	4,423	4,354	3,709
Income (loss) from discontinued operations, net of tax	5	(233)	(217)
Net income	4,428	4,121	3,492
Dividends and undistributed earnings allocated to participating securities	(18)	(17)	(15)
Preferred stock dividends	(67)	(53)	(15)
Net income available to common stockholders	$ 4,343	$ 4,051	$ 3,462
Basic earnings per common share:
Net income from continuing operations (in dollars per share)	$ 7.70	$ 7.39	$ 6.56
Loss from discontinued operations (in dollars per share)	$ 0.01	$ (0.40)	$ (0.39)
Net income per basic common share (in dollars per share)	$ 7.71	$ 6.99	$ 6.17
Diluted earnings per common share:
Net income from continuing operations (in dollars per share)	$ 7.58	$ 7.28	$ 6.49
Loss from discontinued operations (in dollars per share)	$ 0.01	$ (0.39)	$ (0.38)
Net income per diluted common share (in dollars per share)	$ 7.59	$ 6.89	$ 6.11
Dividends paid per common share (in dollars per share)	$ 1.20	$ 0.95	$ 0.20