Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Other Asset Backed (Details)

v2.4.0.8
Securitizations and Other Variable Interest Entities - Other Asset Backed (Details) (USD $)
 3 Months Ended 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Mar. 31, 2014
Collateralized Debt Obligations [Member]
Dec. 31, 2013
Collateralized Debt Obligations [Member]
Mar. 31, 2014
Resecuritization Trusts [Member]
Mar. 31, 2013
Resecuritization Trusts [Member]
Mar. 31, 2014
Municipal Bonds [Member]
Dec. 31, 2013
Municipal Bonds [Member]
Mar. 31, 2014
Automobile And Other Securitization Trusts [Member]
Dec. 31, 2013
Automobile And Other Securitization Trusts [Member]
Mar. 31, 2014
Automobile Loan [Member]
Dec. 31, 2013
Automobile Loan [Member]
Mar. 31, 2014
Student Loan [Member]
Dec. 31, 2013
Student Loan [Member]
Mar. 31, 2014
Other Loan and Receivable [Member]
Dec. 31, 2013
Other Loan and Receivable [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Resecuritization Trusts [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Resecuritization Trusts [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Resecuritization Trusts [Member]
Senior Debt Securities [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Resecuritization Trusts [Member]
Senior Debt Securities [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Resecuritization Trusts [Member]
Subordinated Debt Securities [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Resecuritization Trusts [Member]
Subordinated Debt Securities [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Municipal Bonds [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Municipal Bonds [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Municipal Bonds [Member]
Senior Debt Securities [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Municipal Bonds [Member]
Senior Debt Securities [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Municipal Bonds [Member]
Subordinated Debt Securities [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Municipal Bonds [Member]
Subordinated Debt Securities [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Senior Debt Securities [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Senior Debt Securities [Member]
Mar. 31, 2014
Unconsolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Subordinated Debt Securities [Member]
Dec. 31, 2013
Unconsolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Subordinated Debt Securities [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Resecuritization Trusts [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Resecuritization Trusts [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Municipal Bonds [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Municipal Bonds [Member]
Mar. 31, 2014
Consolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Dec. 31, 2013
Consolidated VIEs [Member]
Automobile And Other Securitization Trusts [Member]
Variable Interest Entity [Line Items]                                                                                      
Maximum loss exposure       $ 2,100,000,000 $ 2,100,000,000                         $ 11,174,000,000 $ 11,913,000,000         $ 2,123,000,000 $ 2,192,000,000         $ 82,000,000 $ 81,000,000             $ 503,000,000 $ 164,000,000 $ 2,575,000,000 $ 2,667,000,000 $ 93,000,000 $ 94,000,000
On Balance Sheet Assets [Abstract]                                                                                      
Trading account assets                                       1,296,000,000 [1],[2] 971,000,000 [1],[2] 0 [1],[2] 0 [1],[2]     9,000,000 [1],[2] 53,000,000 [1],[2] 0 [1],[2] 0 [1],[2]     0 [1],[2] 1,000,000 [1],[2] 4,000,000 [1],[2] 0 [1],[2]     944,000,000 319,000,000 2,592,000,000 2,684,000,000 0 0
Loans and leases 916,217,000,000 928,233,000,000                                                                   104,556,000,000 109,118,000,000 0 0 0 0 650,000,000 680,000,000
Debt securities carried at fair value                                       9,807,000,000 [1],[2] 10,866,000,000 [1],[2] 71,000,000 [1],[2] 71,000,000 [1],[2]     0 [1],[2] 0 [1],[2] 0 [1],[2] 0 [1],[2]     68,000,000 [1],[2] 70,000,000 [1],[2] 0 [1],[2] 0 [1],[2]                
Residual interests held                                   0 [3] 5,000,000 [3]         0 [3] 0 [3]         0 [3] 0 [3]                        
All other Assets 121,821,000,000 124,090,000,000                               0 0         0 0         10,000,000 10,000,000         3,970,000,000 4,577,000,000 0 0 0 0 57,000,000 61,000,000
Total assets 2,149,851,000,000 [4] 2,102,273,000,000 [4] 2,174,819,000,000 [4]                             11,174,000,000 11,913,000,000         9,000,000 53,000,000         82,000,000 81,000,000         115,281,000,000 121,002,000,000 944,000,000 319,000,000 2,592,000,000 2,684,000,000 707,000,000 741,000,000
Unconsolidated, Total assets of VIEs                                   29,881,000,000 [5] 40,924,000,000 [5]         3,536,000,000 [5] 3,643,000,000 [5]         978,000,000 [5] 1,788,000,000 [5]                        
On Balance Sheet Liabilities [Abstract]                                                                                      
Short-term borrowings 51,409,000,000 45,999,000,000                                                                   1,176,000,000 1,150,000,000 0 0 1,176,000,000 1,073,000,000 0 0
Long-term debt 254,785,000,000 249,674,000,000                                                                   18,338,000,000 19,448,000,000 441,000,000 155,000,000 17,000,000 17,000,000 613,000,000 646,000,000
All other Liabilities                                                                       179,000,000 253,000,000 0 0 0 0 1,000,000 1,000,000
Total liabilities 1,917,963,000,000 1,869,588,000,000                                                                   19,693,000,000 20,851,000,000 441,000,000 155,000,000 1,193,000,000 1,090,000,000 614,000,000 647,000,000
In Text Details [Abstract]                                                                                      
Transfers Of Financial Assets Accounted For As Sale Initial Fair Value Of Assets Obtained As Proceeds, in Period           2,100,000,000 6,900,000,000                                                                        
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Gain (Loss) on Sale           0                                                                          
Liquidity Commitments To Unconsolidated Securitization Trusts               2,100,000,000 2,100,000,000                                                                    
Weighted average remaining life of bonds held in the trusts in years 7 years 6 months                                                                                    
Qualitative and Quantitative Information, Transferor's Continuing Involvement, Principal Amount Outstanding, Continued Recognition, Amount                   $ 1,700,000,000 $ 2,500,000,000 $ 737,000,000 $ 877,000,000 $ 707,000,000 $ 741,000,000 $ 241,000,000 $ 911,000,000                                                    
[1] The retained senior and subordinate securities were valued using quoted market prices or observable market inputs (Level 2 of the fair value hierarchy).
[2] As a holder of these securities, the Corporation receives scheduled principal and interest payments. During the three months ended March 31, 2014 and 2013, there were no OTTI losses recorded on those securities classified as AFS debt securities.
[3] The retained residual interests are carried at fair value which was derived using model valuations (Level 2 of the fair value hierarchy).
[4] There were no material intersegment revenues.
[5] Total assets include loans the Corporation transferred with which the Corporation has continuing involvement, which may include servicing the loan.