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 $)
 3 Months Ended
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
On Balance Sheet Assets [Abstract]            
AFS Debt Securities $ 300,049,000,000   $ 276,151,000,000      
Other Assets 146,172,000,000   145,686,000,000      
Total assets 2,160,854,000,000   2,129,046,000,000 2,261,319,000,000    
Loans and leases 892,315,000,000   926,200,000,000      
Allowance for loan and lease losses (30,288,000,000) (32,211,000,000) (33,783,000,000) (37,312,000,000) (39,843,000,000) (41,885,000,000)
Loans held-for-sale 13,289,000,000   13,762,000,000      
On Balance Sheet Liabilities [Abstract]            
Commercial paper and other short-term borrowings 39,019,000,000   35,698,000,000      
Long-term debt 301,848,000,000   372,265,000,000      
Total liabilities 1,924,879,000,000   1,898,945,000,000      
Prime Residential Mortgage Trust Assets Deconsolidated During the Period 1,200,000,000          
Unconsolidated VIEs [Member] | Agency Securities [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 34,200,000,000 [1]   37,519,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Residual interests held 0 [2]   0 [2]      
Total assets 34,200,000,000   37,519,000,000      
Principal balance outstanding 975,420,000,000 [3]   1,198,766,000,000 [3]      
Unconsolidated VIEs [Member] | Prime Loan [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 2,246,000,000 [1]   2,375,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Residual interests held 12,000,000 [2]   8,000,000 [2]      
Total assets 1,660,000,000   2,129,000,000      
Principal balance outstanding 54,882,000,000 [3]   61,207,000,000 [3]      
Unconsolidated VIEs [Member] | Subprime Loan [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 262,000,000 [1]   289,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Residual interests held 0 [2]   9,000,000 [2]      
Total assets 207,000,000   246,000,000      
Principal balance outstanding 67,804,000,000 [3]   73,949,000,000 [3]      
Unconsolidated VIEs [Member] | Alt-A Loan [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 411,000,000 [1]   506,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Residual interests held 1,000,000 [2]   0 [2]      
Total assets 411,000,000   506,000,000      
Principal balance outstanding 93,254,000,000 [3]   101,622,000,000 [3]      
Unconsolidated VIEs [Member] | Commercial Mortgage Backed Securities [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 708,000,000 [1]   981,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Residual interests held 24,000,000 [2]   43,000,000 [2]      
Total assets 644,000,000   913,000,000      
Principal balance outstanding 68,174,000,000 [3]   76,645,000,000 [3]      
Consolidated VIEs [Member]
            
On Balance Sheet Assets [Abstract]            
Other Assets 4,113,000,000   4,769,000,000      
Total assets 140,094,000,000   151,761,000,000      
Loans and leases 128,386,000,000   140,194,000,000      
Allowance for loan and lease losses (4,074,000,000)   (5,066,000,000)      
Loans held-for-sale 2,163,000,000   1,635,000,000      
On Balance Sheet Liabilities [Abstract]            
Commercial paper and other short-term borrowings 4,449,000,000   5,777,000,000      
Long-term debt 38,456,000,000   49,054,000,000      
Other Liabilities 1,161,000,000   1,116,000,000      
Total liabilities 44,066,000,000   55,947,000,000      
Consolidated VIEs [Member] | Agency Securities [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 48,942,000,000 [1]   50,648,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Other Assets 536,000,000   495,000,000      
Total assets 48,942,000,000   50,648,000,000      
Loans and leases 48,413,000,000   50,159,000,000      
Allowance for loan and lease losses (7,000,000)   (6,000,000)      
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      
Other Liabilities 0   0      
Total liabilities 0   0      
Consolidated VIEs [Member] | Prime Loan [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 100,000,000 [1]   450,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Other Assets 1,000,000   63,000,000      
Total assets 308,000,000   1,361,000,000      
Loans and leases 307,000,000   1,298,000,000      
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 231,000,000   1,360,000,000      
Other Liabilities 0   0      
Total liabilities 231,000,000   1,360,000,000      
Consolidated VIEs [Member] | Subprime Loan [Member] | First Lien Mortgages [Member]
            
Variable Interest Entity [Line Items]            
Maximum loss exposure 404,000,000 [1]   419,000,000 [1]      
On Balance Sheet Assets [Abstract]            
Other Assets 46,000,000   59,000,000      
Total assets 1,538,000,000   1,573,000,000      
Loans and leases 865,000,000   892,000,000      
Allowance for loan and lease losses 0   0      
Loans held-for-sale 627,000,000   622,000,000      
On Balance Sheet Liabilities [Abstract]            
Commercial paper and other short-term borrowings 652,000,000   650,000,000      
Long-term debt 875,000,000   911,000,000      
Other Liabilities 0   57,000,000      
Total liabilities 1,527,000,000   1,618,000,000      
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      
Other Liabilities 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 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      
Other Liabilities 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 8,558,000,000 [2]   8,744,000,000 [2]      
AFS Debt Securities 25,642,000,000 [2]   28,775,000,000 [2]      
Senior Securities [Member] | Unconsolidated VIEs [Member] | Prime Loan [Member] | First Lien Mortgages [Member]
            
On Balance Sheet Assets [Abstract]            
Trading account assets 87,000,000 [2]   94,000,000 [2]      
AFS Debt Securities 1,539,000,000 [2]   2,001,000,000 [2]      
Senior 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 185,000,000 [2]   174,000,000 [2]      
Senior Securities [Member] | Unconsolidated VIEs [Member] | Alt-A Loan [Member] | First Lien Mortgages [Member]
            
On Balance Sheet Assets [Abstract]            
Trading account assets 281,000,000 [2]   343,000,000 [2]      
AFS Debt Securities 129,000,000 [2]   163,000,000 [2]      
Senior Securities [Member] | Unconsolidated VIEs [Member] | Commercial Mortgage Backed Securities [Member] | First Lien Mortgages [Member]
            
On Balance Sheet Assets [Abstract]            
Trading account assets 12,000,000 [2]   21,000,000 [2]      
AFS Debt Securities 585,000,000 [2]   846,000,000 [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 22,000,000 [2]   26,000,000 [2]      
Subordinate Securities [Member] | Unconsolidated VIEs [Member] | Subprime Loan [Member] | First Lien Mortgages [Member]
            
On Balance Sheet Assets [Abstract]            
Trading account assets 2,000,000 [2]   30,000,000 [2]      
AFS Debt Securities 11,000,000 [2]   30,000,000 [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 23,000,000 [2]   3,000,000 [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 18 – Mortgage Servicing Rights.
[2] As a holder of these securities, the Corporation receives scheduled principal and interest payments. During the three and six months ended June 30, 2012 and 2011, there were no OTTI losses recorded on those securities classified as AFS debt securities.
[3] Principal balance outstanding includes loans the Corporation transferred with which the Corporation has continuing involvement, which may include servicing the loans.