Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - First Lien Mortgages VIE (Details)

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Securitizations and Other Variable Interest Entities - First Lien Mortgages VIE (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Dec. 31, 2011
Variable Interest Entity [Line Items]        
Unpaid principal balance of mortgage loans eligible for repurchase $ 8,200,000,000 $ 12,100,000,000    
On Balance Sheet Assets [Abstract]        
Other Assets 137,792,000,000 150,112,000,000    
Total assets 2,174,819,000,000 2,209,974,000,000 2,181,449,000,000  
Loans and leases 911,592,000,000 907,819,000,000    
Allowance for loan and lease losses (22,441,000,000) (24,179,000,000) (32,211,000,000) (33,783,000,000)
Loans held-for-sale 19,278,000,000 19,413,000,000    
On Balance Sheet Liabilities [Abstract]        
Commercial paper and other short-term borrowings 42,148,000,000 30,731,000,000    
Long-term debt 279,641,000,000 275,585,000,000    
Total liabilities 1,937,526,000,000 1,973,018,000,000    
Principal amount that would be payable to the securitization vehicles (8,200,000,000) (12,100,000,000)    
Unconsolidated VIEs [Member] | Agency Securities [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 26,834,000,000 [1] 28,591,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Residual interests held 0 [2] 0 [2]    
Other Assets 674,000,000 [2] 1,551,000,000 [2]    
Total assets 26,834,000,000 28,591,000,000    
Principal balance outstanding 667,970,000,000 [3] 797,315,000,000 [3]    
Unconsolidated VIEs [Member] | Prime Loan [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,926,000,000 [1] 2,038,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Residual interests held 16,000,000 [2] 18,000,000 [2]    
Other Assets 59,000,000 [2] 64,000,000 [2]    
Total assets 1,410,000,000 1,507,000,000    
Principal balance outstanding 42,945,000,000 [3] 45,819,000,000 [3]    
Unconsolidated VIEs [Member] | Subprime Loan [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 434,000,000 [1] 410,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Residual interests held 4,000,000 [2] 9,000,000 [2]    
Other Assets 1,000,000 [2] 1,000,000 [2]    
Total assets 276,000,000 246,000,000    
Principal balance outstanding 50,898,000,000 [3] 53,822,000,000 [3]    
Unconsolidated VIEs [Member] | Alt-A Loan [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 366,000,000 [1] 367,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Residual interests held 0 [2] 0 [2]    
Other Assets 234,000,000 [2] 239,000,000 [2]    
Total assets 366,000,000 367,000,000    
Principal balance outstanding 67,679,000,000 [3] 71,990,000,000 [3]    
Unconsolidated VIEs [Member] | Commercial Mortgage Backed Securities [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 682,000,000 [1] 702,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Residual interests held 39,000,000 [2] 40,000,000 [2]    
Other Assets 0 [2] 0 [2]    
Total assets 635,000,000 646,000,000    
Principal balance outstanding 60,302,000,000 [3] 56,733,000,000 [3]    
Consolidated VIEs [Member]
        
On Balance Sheet Assets [Abstract]        
Other Assets 4,728,000,000 4,654,000,000    
Total assets 130,183,000,000 134,431,000,000    
Loans and leases 116,236,000,000 123,227,000,000    
Allowance for loan and lease losses (3,310,000,000) (3,658,000,000)    
Loans held-for-sale 3,229,000,000 1,969,000,000    
On Balance Sheet Liabilities [Abstract]        
Commercial paper and other short-term borrowings 2,539,000,000 3,731,000,000    
Long-term debt 31,461,000,000 34,256,000,000    
Other Liabilities 345,000,000 360,000,000    
Total liabilities 34,345,000,000 38,347,000,000    
Consolidated VIEs [Member] | Agency Securities [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 45,453,000,000 [1] 46,959,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Other Assets 918,000,000 972,000,000    
Total assets 45,453,000,000 46,959,000,000    
Loans and leases 44,539,000,000 45,991,000,000    
Allowance for loan and lease losses (4,000,000) (4,000,000)    
Loans held-for-sale 0 0    
On Balance Sheet Liabilities [Abstract]        
Commercial paper and other short-term borrowings 0 0    
Long-term debt 0 0    
Total liabilities 0 0    
Consolidated VIEs [Member] | Prime Loan [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 107,000,000 [1] 104,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Other Assets 5,000,000 10,000,000    
Total assets 287,000,000 293,000,000    
Loans and leases 282,000,000 283,000,000    
Allowance for loan and lease losses 0 0    
Loans held-for-sale 0 0    
On Balance Sheet Liabilities [Abstract]        
Commercial paper and other short-term borrowings 0 0    
Long-term debt 203,000,000 212,000,000    
Total liabilities 203,000,000 212,000,000    
Consolidated VIEs [Member] | Subprime Loan [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 391,000,000 [1] 390,000,000 [1]    
On Balance Sheet Assets [Abstract]        
Other Assets 86,000,000 91,000,000    
Total assets 1,607,000,000 1,727,000,000    
Loans and leases 759,000,000 722,000,000    
Allowance for loan and lease losses 0 0    
Loans held-for-sale 762,000,000 914,000,000    
On Balance Sheet Liabilities [Abstract]        
Commercial paper and other short-term borrowings 767,000,000 741,000,000    
Long-term debt 793,000,000 941,000,000    
Total liabilities 1,560,000,000 1,682,000,000    
Consolidated VIEs [Member] | Alt-A Loan [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 0 [1] 0 [1]    
On Balance Sheet Assets [Abstract]        
Other Assets 0 0    
Total assets 0 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Loans held-for-sale 0 0    
On Balance Sheet Liabilities [Abstract]        
Commercial paper and other short-term borrowings 0 0    
Long-term debt 0 0    
Total liabilities 0 0    
Consolidated VIEs [Member] | Commercial Mortgage Backed Securities [Member] | First Lien Mortgages [Member]
        
Variable Interest Entity [Line Items]        
Maximum loss exposure 1,369,000,000 [1] 0 [1]    
On Balance Sheet Assets [Abstract]        
Other Assets 0 0    
Total assets 1,369,000,000 0    
Loans and leases 0 0    
Allowance for loan and lease losses 0 0    
Loans held-for-sale 1,369,000,000 0    
On Balance Sheet Liabilities [Abstract]        
Commercial paper and other short-term borrowings 0 0    
Long-term debt 0 0    
Total liabilities 0 0    
Senior Securities [Member] | Unconsolidated VIEs [Member] | Agency Securities [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 968,000,000 [2] 619,000,000 [2]    
AFS Debt Securities 25,192,000,000 [2] 26,421,000,000 [2]    
Senior Securities [Member] | Unconsolidated VIEs [Member] | Prime Loan [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 12,000,000 [2] 16,000,000 [2]    
AFS Debt Securities 1,302,000,000 [2] 1,388,000,000 [2]    
Senior Securities [Member] | Unconsolidated VIEs [Member] | Subprime Loan [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 36,000,000 [2] 14,000,000 [2]    
AFS Debt Securities 218,000,000 [2] 210,000,000 [2]    
Senior Securities [Member] | Unconsolidated VIEs [Member] | Alt-A Loan [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 1,000,000 [2] 0 [2]    
AFS Debt Securities 131,000,000 [2] 128,000,000 [2]    
Senior Securities [Member] | Unconsolidated VIEs [Member] | Commercial Mortgage Backed Securities [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 5,000,000 [2] 12,000,000 [2]    
AFS Debt Securities 575,000,000 [2] 581,000,000 [2]    
Subordinate Securities [Member] | Unconsolidated VIEs [Member] | Agency Securities [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 0 [2] 0 [2]    
AFS Debt Securities 0 [2] 0 [2]    
Subordinate Securities [Member] | Unconsolidated VIEs [Member] | Prime Loan [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 0 [2] 0 [2]    
AFS Debt Securities 21,000,000 [2] 21,000,000 [2]    
Subordinate Securities [Member] | Unconsolidated VIEs [Member] | Subprime Loan [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 9,000,000 [2] 3,000,000 [2]    
AFS Debt Securities 8,000,000 [2] 9,000,000 [2]    
Subordinate Securities [Member] | Unconsolidated VIEs [Member] | Alt-A Loan [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 0 [2] 0 [2]    
AFS Debt Securities 0 [2] 0 [2]    
Subordinate Securities [Member] | Unconsolidated VIEs [Member] | Commercial Mortgage Backed Securities [Member] | First Lien Mortgages [Member]
        
On Balance Sheet Assets [Abstract]        
Trading account assets 16,000,000 [2] 13,000,000 [2]    
AFS Debt Securities $ 0 [2] $ 0 [2]    
[1] Maximum loss exposure excludes the liability for representations and warranties obligations and corporate guarantees and also excludes servicing advances and MSRs. For more information, see Note 8 – Representations and Warranties Obligations and Corporate Guarantees and Note 19 – Mortgage Servicing Rights.
[2] As a holder of these securities, the Corporation receives scheduled principal and interest payments. During the three months ended March 31, 2013 and 2012, there were no OTTI losses recorded on those securities classified as AFS debt securities.
[3] Not included in the table above are all other assets of $8.2 billion and $12.1 billion, representing the unpaid principal balance of mortgage loans eligible for repurchase from unconsolidated residential mortgage securitization vehicles, principally guaranteed by GNMA, and all other liabilities of $8.2 billion and $12.1 billion, representing the principal amount that would be payable to the securitization vehicles if the Corporation were to exercise the repurchase option, at March 31, 2013 and December 31, 2012.