Loans - Consumer, Excluding Credit Card Loans, PCI Loans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	$ 832,792	$ 747,508	$ 724,177
Consumer, excluding credit card
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	344,355	294,979	$ 288,449
Consumer, excluding credit card | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	211,798	162,719
Consumer, excluding credit card | Residential real estate | California
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	56,208	39,227
Consumer, excluding credit card | Residential real estate | New York
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	30,609	27,717
Consumer, excluding credit card | Residential real estate | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	14,944	10,772
Consumer, excluding credit card | Residential real estate | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	11,660	8,044
Consumer, excluding credit card | Residential real estate | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	9,586	8,522
Consumer, excluding credit card | Residential real estate | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	8,157	6,475
Consumer, excluding credit card | Residential real estate | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	5,627	4,241
Consumer, excluding credit card | Residential real estate | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	5,298	4,439
Consumer, excluding credit card | Residential real estate | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	3,295	2,908
Consumer, excluding credit card | Residential real estate | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	2,899	2,655
Consumer, excluding credit card | Residential real estate | All other
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	63,515	47,719
Consumer, excluding credit card | Residential real estate | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	4,714	5,175
Consumer, excluding credit card | Residential real estate | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	223	390
Consumer, excluding credit card | Residential real estate | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	109	171
Consumer, excluding credit card | Residential real estate | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	1,618	2,742
Consumer, excluding credit card | Residential real estate | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	725	1,180
Consumer, excluding credit card | Residential real estate | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	7,696	9,383
Consumer, excluding credit card | Residential real estate | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	2,405	3,394
Consumer, excluding credit card | Residential real estate | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	171,889	115,997
Consumer, excluding credit card | Residential real estate | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	11,731	12,177
Consumer, excluding credit card | Residential real estate | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	4,750	5,388
Consumer, excluding credit card | Residential real estate | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	6,286	7,779
Consumer, excluding credit card | Mortgages | Prime mortgage
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	162,549	104,921
Consumer, excluding credit card | Mortgages | Prime mortgage | California
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	46,745	28,133
Consumer, excluding credit card | Mortgages | Prime mortgage | New York
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	20,941	16,550
Consumer, excluding credit card | Mortgages | Prime mortgage | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	11,379	6,654
Consumer, excluding credit card | Mortgages | Prime mortgage | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	8,986	4,935
Consumer, excluding credit card | Mortgages | Prime mortgage | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	6,763	5,106
Consumer, excluding credit card | Mortgages | Prime mortgage | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	5,395	3,361
Consumer, excluding credit card | Mortgages | Prime mortgage | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	4,097	2,410
Consumer, excluding credit card | Mortgages | Prime mortgage | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	3,081	1,805
Consumer, excluding credit card | Mortgages | Prime mortgage | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	1,866	1,203
Consumer, excluding credit card | Mortgages | Prime mortgage | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	1,166	615
Consumer, excluding credit card | Mortgages | Prime mortgage | All other
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	52,130	34,149
Consumer, excluding credit card | Mortgages | Prime mortgage | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	1,469	1,136
Consumer, excluding credit card | Mortgages | Prime mortgage | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	56	97
Consumer, excluding credit card | Mortgages | Prime mortgage | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	65	72
Consumer, excluding credit card | Mortgages | Prime mortgage | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	249	478
Consumer, excluding credit card | Mortgages | Prime mortgage | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	190	282
Consumer, excluding credit card | Mortgages | Prime mortgage | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	3,013	2,686
Consumer, excluding credit card | Mortgages | Prime mortgage | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	597	838
Consumer, excluding credit card | Mortgages | Prime mortgage | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	140,942	82,350
Consumer, excluding credit card | Mortgages | Prime mortgage | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	5,280	4,872
Consumer, excluding credit card | Mortgages | Prime mortgage | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	3,666	4,091
Consumer, excluding credit card | Mortgages | Prime mortgage | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	5,560	6,879
Consumer, excluding credit card | Mortgages | Subprime mortgage
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	3,690	5,056
Consumer, excluding credit card | Mortgages | Subprime mortgage | California
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	518	718
Consumer, excluding credit card | Mortgages | Subprime mortgage | New York
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	521	677
Consumer, excluding credit card | Mortgages | Subprime mortgage | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	145	207
Consumer, excluding credit card | Mortgages | Subprime mortgage | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	142	177
Consumer, excluding credit card | Mortgages | Subprime mortgage | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	414	632
Consumer, excluding credit card | Mortgages | Subprime mortgage | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	172	227
Consumer, excluding credit card | Mortgages | Subprime mortgage | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	79	109
Consumer, excluding credit card | Mortgages | Subprime mortgage | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	74	112
Consumer, excluding credit card | Mortgages | Subprime mortgage | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	79	121
Consumer, excluding credit card | Mortgages | Subprime mortgage | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	81	112
Consumer, excluding credit card | Mortgages | Subprime mortgage | All other
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	1,465	1,964
Consumer, excluding credit card | Mortgages | Subprime mortgage | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	189	237
Consumer, excluding credit card | Mortgages | Subprime mortgage | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	2	4
Consumer, excluding credit card | Mortgages | Subprime mortgage | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	12	28
Consumer, excluding credit card | Mortgages | Subprime mortgage | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	25	76
Consumer, excluding credit card | Mortgages | Subprime mortgage | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	101	207
Consumer, excluding credit card | Mortgages | Subprime mortgage | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	146	382
Consumer, excluding credit card | Mortgages | Subprime mortgage | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	399	703
Consumer, excluding credit card | Mortgages | Subprime mortgage | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	1,299	1,624
Consumer, excluding credit card | Mortgages | Subprime mortgage | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	1,517	1,795
Consumer, excluding credit card | Mortgages | Subprime mortgage | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	376	489
Consumer, excluding credit card | Mortgages | Subprime mortgage | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	$ 174	271
Consumer, excluding credit card | Residential real estate - PCI
Loans and Leases Receivable Disclosure [Line Items]
Remaining weighted-average life	9 years
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	$ 40,998	46,696
Related allowance for loan losses	2,742	3,325
Total loans	$ 42,665	$ 49,137
% of 30 plus days past due to total loans	11.21%	13.33%
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 23,490	$ 26,964
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,581	2,944
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,150	1,332
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	636	731
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,621	4,257
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,157	1,345
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,433	1,674
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	703	802
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	448	531
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	185	209
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	7,261	8,348
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,325	2,896
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	192	395
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	199	401
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,305	2,190
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,055	1,850
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	4,833	7,142
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,443	4,975
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	18,903	18,677
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	10,410	10,611
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | Current
Loans and Leases Receivable Disclosure [Line Items]
Total loans	37,883	42,586
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,896	2,339
Consumer, excluding credit card | Residential real estate - PCI | Residential real estate | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,886	4,212
Consumer, excluding credit card | Residential real estate - PCI | Home equity
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	14,989	17,095
Related allowance for loan losses	1,708	1,758
Total loans	$ 15,342	$ 17,740
% of 30 plus days past due to total loans	6.22%	8.15%
Consumer, excluding credit card | Residential real estate - PCI | Home equity | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 9,205	$ 10,671
Consumer, excluding credit card | Residential real estate - PCI | Home equity | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	788	876
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	358	405
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	224	273
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,479	1,696
Consumer, excluding credit card | Residential real estate - PCI | Home equity | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	310	348
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	819	959
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	281	323
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	44	53
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	17	20
Consumer, excluding credit card | Residential real estate - PCI | Home equity | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,817	2,116
Consumer, excluding credit card | Residential real estate - PCI | Home equity | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	889	1,094
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	153	301
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	80	159
Consumer, excluding credit card | Residential real estate - PCI | Home equity | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	942	1,448
Consumer, excluding credit card | Residential real estate - PCI | Home equity | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	444	728
Consumer, excluding credit card | Residential real estate - PCI | Home equity | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,709	3,591
Consumer, excluding credit card | Residential real estate - PCI | Home equity | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,136	1,485
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	6,724	6,626
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,265	2,308
Consumer, excluding credit card | Residential real estate - PCI | Home equity | Current
Loans and Leases Receivable Disclosure [Line Items]
Total loans	14,387	16,295
Consumer, excluding credit card | Residential real estate - PCI | Home equity | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	322	445
Consumer, excluding credit card | Residential real estate - PCI | Home equity | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	633	1,000
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	8,893	10,220
Related allowance for loan losses	985	1,193
Total loans	$ 8,919	$ 10,249
% of 30 plus days past due to total loans	11.49%	13.05%
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 5,172	$ 5,965
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	580	672
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	263	301
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	94	92
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	586	689
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	238	279
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	194	225
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	143	167
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	141	166
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	45	48
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,463	1,645
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	498	611
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	10	22
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	28	52
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	120	268
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	152	284
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	816	1,405
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	614	969
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	4,243	4,211
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,438	2,427
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | Current
Loans and Leases Receivable Disclosure [Line Items]
Total loans	7,894	8,912
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	424	500
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Prime mortgage | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	601	837
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	3,263	3,673
Related allowance for loan losses	0	180
Total loans	$ 4,051	$ 4,652
% of 30 plus days past due to total loans	20.22%	23.37%
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 1,005	$ 1,138
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	400	463
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	196	229
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	243	281
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	373	432
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	139	165
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	81	95
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	76	85
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	113	130
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	62	72
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,363	1,562
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	210	256
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	10	22
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	55	106
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	77	144
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	220	390
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	331	451
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	643	911
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	863	787
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,642	1,585
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | Current
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,232	3,565
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	439	536
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Subprime mortgage | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	380	551
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	13,853	15,708
Related allowance for loan losses	49	194
Total loans	$ 14,353	$ 16,496
% of 30 plus days past due to total loans	13.82%	16.26%
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 8,108	$ 9,190
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	813	933
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	333	397
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	75	85
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,183	1,440
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	470	553
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	339	395
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	203	227
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	150	182
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	61	69
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,618	3,025
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | No FICO or LTV Score [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	728	935
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Greater than 125% and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	19	50
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Greater than 125% and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	36	84
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | 101 percent to 125 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	166	330
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | 101 percent to 125 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	239	448
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | 80 percent to 100 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	977	1,695
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | 80 percent to 100 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,050	1,610
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Lower than 80 percent and refreshed FICO scores | Equal to or greater than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	7,073	7,053
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Lower than 80 percent and refreshed FICO scores | Less than 660
Loans and Leases Receivable Disclosure [Line Items]
Total loans	4,065	4,291
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | Current
Loans and Leases Receivable Disclosure [Line Items]
Total loans	12,370	13,814
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | 30–149 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	711	858
Consumer, excluding credit card | Residential real estate - PCI | Mortgages | Option ARMs | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 1,272	$ 1,824