Loans - Consumer, Excluding Credit Card Loans, PCI Loans (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	$ 756,971,000,000	$ 747,508,000,000	$ 721,160,000,000
Consumer, excluding credit card
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	304,917,000,000	294,979,000,000	287,930,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	16,638,000,000	17,095,000,000
Related allowance for loan losses	1,758,000,000	1,758,000,000
Total loans	17,086,000,000	17,740,000,000
% of 30 days past due to total loans	6.92%	8.15%
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	10,267,000,000	10,671,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	855,000,000	876,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	393,000,000	405,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,630,000,000	1,696,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	261,000,000	273,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	338,000,000	348,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	312,000,000	323,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	926,000,000	959,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	50,000,000	53,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	19,000,000	20,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,035,000,000	2,116,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Current and less than 30 days past due and still accruing
Loans and Leases Receivable Disclosure [Line Items]
Total loans	15,903,000,000	16,295,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Days Past Due, 30 to 149
Loans and Leases Receivable Disclosure [Line Items]
Total loans	368,000,000	445,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	815,000,000	1,000,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	423,000,000	513,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,985,000,000	2,245,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,995,000,000	4,171,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	5,923,000,000	5,824,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	217,000,000	273,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	928,000,000	1,073,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,590,000,000	1,647,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Home Equity | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,025,000,000	1,994,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	9,916,000,000	10,220,000,000
Related allowance for loan losses	1,138,000,000	1,193,000,000
Total loans	9,943,000,000	10,249,000,000
% of 30 days past due to total loans	12.28%	13.05%
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	5,811,000,000	5,965,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	648,000,000	672,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	290,000,000	301,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	657,000,000	689,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	90,000,000	92,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	261,000,000	279,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	164,000,000	167,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	217,000,000	225,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	162,000,000	166,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	47,000,000	48,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,596,000,000	1,645,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Current and less than 30 days past due and still accruing
Loans and Leases Receivable Disclosure [Line Items]
Total loans	8,722,000,000	8,912,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Days Past Due, 30 to 149
Loans and Leases Receivable Disclosure [Line Items]
Total loans	444,000,000	500,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	777,000,000	837,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	34,000,000	45,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	373,000,000	456,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,924,000,000	2,154,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,821,000,000	3,663,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	68,000,000	97,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	337,000,000	402,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,184,000,000	1,316,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Prime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,202,000,000	2,116,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	3,559,000,000	3,673,000,000
Related allowance for loan losses	180,000,000	180,000,000
Total loans	4,490,000,000	4,652,000,000
% of 30 days past due to total loans	21.58%	23.37%
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,108,000,000	1,138,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	440,000,000	463,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	219,000,000	229,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	416,000,000	432,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	270,000,000	281,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	155,000,000	165,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	84,000,000	85,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	91,000,000	95,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	125,000,000	130,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	70,000,000	72,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,512,000,000	1,562,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Current and less than 30 days past due and still accruing
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,521,000,000	3,565,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Days Past Due, 30 to 149
Loans and Leases Receivable Disclosure [Line Items]
Total loans	460,000,000	536,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	509,000,000	551,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	27,000,000	34,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	180,000,000	215,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	482,000,000	519,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	760,000,000	719,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	125,000,000	160,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	430,000,000	509,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	954,000,000	1,006,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Subprime Mortgage | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,532,000,000	1,490,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	15,243,000,000	15,708,000,000
Related allowance for loan losses	194,000,000	194,000,000
Total loans	15,946,000,000	16,496,000,000
% of 30 days past due to total loans	15.30%	16.26%
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	8,935,000,000	9,190,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	895,000,000	933,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	371,000,000	397,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,370,000,000	1,440,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	84,000,000	85,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	527,000,000	553,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	223,000,000	227,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	379,000,000	395,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	176,000,000	182,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	66,000,000	69,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,920,000,000	3,025,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Current and less than 30 days past due and still accruing
Loans and Leases Receivable Disclosure [Line Items]
Total loans	13,506,000,000	13,814,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Days Past Due, 30 to 149
Loans and Leases Receivable Disclosure [Line Items]
Total loans	795,000,000	858,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,645,000,000	1,824,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	72,000,000	89,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	471,000,000	575,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,198,000,000	2,418,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	6,750,000,000	6,593,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	113,000,000	150,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	634,000,000	771,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,784,000,000	1,996,000,000
Consumer, excluding credit card | Purchased Credit-Impaired, Option ARMs | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,924,000,000	3,904,000,000
Consumer, excluding credit card | Purchased Credit-Impaired
Loans and Leases Receivable Disclosure [Line Items]
Total retained loans	45,356,000,000	46,696,000,000
Related allowance for loan losses	3,270,000,000	3,325,000,000
Total loans	47,465,000,000	49,137,000,000
% of 30 days past due to total loans	12.25%	13.33%
Consumer, excluding credit card | Purchased Credit-Impaired | California
Loans and Leases Receivable Disclosure [Line Items]
Total loans	26,121,000,000	26,964,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | New York
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,838,000,000	2,944,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Illinois
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,273,000,000	1,332,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Florida
Loans and Leases Receivable Disclosure [Line Items]
Total loans	4,073,000,000	4,257,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Texas
Loans and Leases Receivable Disclosure [Line Items]
Total loans	705,000,000	731,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | New Jersey
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,281,000,000	1,345,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Arizona
Loans and Leases Receivable Disclosure [Line Items]
Total loans	783,000,000	802,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Washington
Loans and Leases Receivable Disclosure [Line Items]
Total loans	1,613,000,000	1,674,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Michigan
Loans and Leases Receivable Disclosure [Line Items]
Total loans	513,000,000	531,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Ohio
Loans and Leases Receivable Disclosure [Line Items]
Total loans	202,000,000	209,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | All other
Loans and Leases Receivable Disclosure [Line Items]
Total loans	8,063,000,000	8,348,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Current and less than 30 days past due and still accruing
Loans and Leases Receivable Disclosure [Line Items]
Total loans	41,652,000,000	42,586,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Days Past Due, 30 to 149
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,067,000,000	2,339,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | 150 days past due
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,746,000,000	4,212,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	556,000,000	681,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	3,009,000,000	3,491,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	8,599,000,000	9,262,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Equal to or Greater than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	17,254,000,000	16,799,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Greater than 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	523,000,000	680,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 101% and 125%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	2,329,000,000	2,755,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Between 80% and 100%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	5,512,000,000	5,965,000,000
Consumer, excluding credit card | Purchased Credit-Impaired | Refreshed FICO Scores Less than 660 | Current Estimated LTV Ratio Less than 80%
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 9,683,000,000	$ 9,504,000,000