Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Other (Details)

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Securitizations and Other Variable Interest Entities - Other (Details) (USD $)
 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2014
Collateralized Debt Obligations [Member]
Dec. 31, 2013
Collateralized Debt Obligations [Member]
Mar. 31, 2014
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2013
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Mar. 31, 2014
Investment Vehicles [Member]
Dec. 31, 2013
Investment Vehicles [Member]
Mar. 31, 2014
Other Asset Back Financing Arrangement [Member]
Dec. 31, 2013
Other Asset Back Financing Arrangement [Member]
Mar. 31, 2014
Customer Vehicles [Member]
Dec. 31, 2013
Customer Vehicles [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Investment Vehicles [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Leveraged Lease Trusts [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Leveraged Lease Trusts [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Investment Vehicles [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Real Estate Vehicles [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Real Estate Vehicles [Member]
Mar. 31, 2014
Mortgage servicing rights [Member]
Investment Vehicles [Member]
Dec. 31, 2013
Mortgage servicing rights [Member]
Investment Vehicles [Member]
Mar. 31, 2014
Collateralized Debt Obligation Financing Facilities [Member]
Collateralized Debt Obligations [Member]
Dec. 31, 2013
Collateralized Debt Obligation Financing Facilities [Member]
Collateralized Debt Obligations [Member]
Mar. 31, 2014
Customer Vehicles [Member]
Dec. 31, 2013
Customer Vehicles [Member]
Mar. 31, 2014
Investment Vehicles [Member]
Dec. 31, 2013
Investment Vehicles [Member]
Variable Interest Entity [Line Items]                                                                        
C D O Financing Facilities Long Term Debt                                                             $ 1,300,000,000 $ 1,300,000,000        
Maximum loss exposure         2,100,000,000 2,100,000,000 21,153,000,000 22,239,000,000 4,300,000,000 4,200,000,000 481,000,000 1,100,000,000 5,000,000,000 5,900,000,000     9,689,000,000 9,716,000,000         11,464,000,000 12,523,000,000         2,500,000,000 2,500,000,000            
On Balance Sheet Assets [Abstract]                                                                        
Trading account assets             4,191,000,000 5,189,000,000                 3,759,000,000 3,769,000,000         432,000,000 1,420,000,000                        
Derivative assets 45,302,000,000 47,495,000,000         715,000,000 742,000,000             23,000,000 185,000,000 1,000,000 3,000,000         714,000,000 739,000,000                        
Debt securities carried at fair value             1,568,000,000 1,944,000,000                 0 0         1,568,000,000 1,944,000,000                        
Loans and leases 916,217,000,000 928,233,000,000         4,835,000,000 4,879,000,000             104,556,000,000 109,118,000,000 4,525,000,000 4,609,000,000         310,000,000 270,000,000                        
Allowance for loan and lease losses (16,618,000,000) (17,428,000,000) (22,441,000,000) (24,179,000,000)     (5,000,000) (6,000,000)             (2,614,000,000) (2,674,000,000) (5,000,000) (6,000,000)         0 0                        
Loans held-for-sale 12,317,000,000 11,362,000,000         754,000,000 1,083,000,000             1,294,000,000 1,384,000,000 690,000,000 998,000,000         64,000,000 85,000,000                        
All other Assets 121,821,000,000 124,090,000,000         7,885,000,000 7,901,000,000             3,970,000,000 4,577,000,000 1,701,000,000 1,734,000,000         6,184,000,000 6,167,000,000                        
Total assets 2,149,851,000,000 [1] 2,102,273,000,000 [1] 2,174,819,000,000 [1]       19,943,000,000 21,732,000,000             115,281,000,000 121,002,000,000 10,671,000,000 11,107,000,000 1,100,000,000 1,200,000,000 3,600,000,000 3,800,000,000 9,272,000,000 10,625,000,000 5,400,000,000 5,500,000,000 5,900,000,000 5,800,000,000                
On Balance Sheet Liabilities [Abstract]                                                                        
Short-term borrowings 51,409,000,000 45,999,000,000         0 77,000,000             1,176,000,000 1,150,000,000 0 77,000,000         0 0                        
Long-term debt 254,785,000,000 249,674,000,000         4,355,000,000 [2] 4,487,000,000 [2]             18,338,000,000 19,448,000,000 4,307,000,000 [2] 4,487,000,000 [2]         48,000,000 [2] 0 [2]                 1,400,000,000 1,200,000,000 780,000,000 780,000,000
All other Liabilities             2,557,000,000 2,631,000,000             179,000,000 253,000,000 63,000,000 93,000,000         2,494,000,000 2,538,000,000                        
Total liabilities 1,917,963,000,000 1,869,588,000,000         6,912,000,000 7,195,000,000             19,693,000,000 20,851,000,000 4,370,000,000 4,657,000,000         2,542,000,000 2,538,000,000                        
Consolidated, Total assets of VIEs                                 10,671,000,000 11,107,000,000                     1,600,000,000 1,900,000,000            
Unconsolidated, Total assets of VIEs                                             34,965,000,000 38,505,000,000                        
Total assets of VIEs             45,636,000,000 49,612,000,000                                                        
In Text Details [Abstract]                                                                        
Liquidity Commitments To Unconsolidated Securitization Trusts                         589,000,000 748,000,000                                            
Notional Amount Of Liquidity Exposure         $ 1,300,000,000                                                              
Financing provided for asset-backed financing arrangements, percentage                     75.00%                                                  
[1] There were no material intersegment revenues.
[2] Includes $1.3 billion, $1.4 billion and $780 million of long-term debt at March 31, 2014 and $1.3 billion, $1.2 billion and $780 million of long-term debt at December 31, 2013 issued by consolidated CDO vehicles, customer vehicles and investment vehicles, respectively, which has recourse to the general credit of the Corporation.