Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Other (Details)

v2.4.0.6
Securitizations and Other Variable Interest Entities - Other (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Jun. 30, 2012
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2011
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Jun. 30, 2012
Investment Vehicles [Member]
Dec. 31, 2011
Investment Vehicles [Member]
Jun. 30, 2012
Other Asset Back Financing Arrangement [Member]
Dec. 31, 2011
Other Asset Back Financing Arrangement [Member]
Jun. 30, 2012
Consolidated VIEs [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Jun. 30, 2012
Consolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Jun. 30, 2012
Consolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Investment Vehicles [Member]
Jun. 30, 2012
Consolidated VIEs [Member]
Leveraged Lease Trusts [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Leveraged Lease Trusts [Member]
Jun. 30, 2012
Unconsolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2011
Unconsolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Jun. 30, 2012
Unconsolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2011
Unconsolidated VIEs [Member]
Investment Vehicles [Member]
Jun. 30, 2012
Unconsolidated VIEs [Member]
Real Estate Vehicles [Member]
Dec. 31, 2011
Unconsolidated VIEs [Member]
Real Estate Vehicles [Member]
Variable Interest Entity [Line Items]                                                    
Maximum loss exposure             $ 12,238 $ 14,715 $ 2,200 $ 4,400 $ 4,100 $ 4,700     $ 5,473 $ 7,429         $ 6,765 $ 7,286        
On Balance Sheet Assets [Abstract]                                                    
Trading account assets             110 0             110 0         0 0        
Derivative assets 59,939   73,023       896 834         1,007 1,634 452 394         444 440        
AFS Debt Securities 300,049   276,151       56 62             0 0         56 62        
Loans and leases 892,315   926,200       4,986 5,511         128,386 140,194 4,765 5,154         221 357        
Allowance for loan and lease losses (30,288) (32,211) (33,783) (37,312) (39,843) (41,885) (5) (9)         (4,074) (5,066) (5) (8)         0 (1)        
Loans held-for-sale 13,289   13,762       530 704         2,163 1,635 95 106         435 598        
Other Assets 146,172   145,686       5,834 7,632         4,113 4,769 224 1,809         5,610 5,823        
Total assets 2,160,854   2,129,046 2,261,319     12,407 14,734         140,094 151,761 5,641 7,455 961 2,600 4,600 4,800 6,766 7,279 4,900 5,500 5,300 5,400
On Balance Sheet Liabilities [Abstract]                                                    
Derivative liabilities 51,515   59,520       14 0             4 0         10 0        
Long-term debt 301,848   372,265       120 10         38,456 49,054 120 10         0 0        
Other Liabilities             2,360 2,399         1,161 1,116 767 694         1,593 1,705        
Total liabilities 1,924,879   1,898,945       2,494 2,409         44,066 55,947 891 704         1,603 1,705        
Consolidated, Total assets of VIEs                             5,641 7,455                    
Unconsolidated, Total assets of VIEs                                         10,302 11,055        
Total assets of VIEs             $ 15,943 $ 18,510                                    
In Text Details [Abstract]                                                    
Financing provided for asset-backed financing arrangements, percentage                     75.00%