Annual report pursuant to Section 13 and 15(d)

Securitizations and Other Variable Interest Entities (Details)

v2.4.0.6
Securitizations and Other Variable Interest Entities (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Variable Interest Entity [Line Items]    
Investment securities $ 5,903 $ 6,684
Loans, notes and mortgages   20,646
Other assets 17,464 15,155
Total Assets 602,928 565,516
Long-term borrowings 92,249 106,929
Total Liabilities 538,528 506,476
Prime [Member] | Unconsolidated VIEs
    
Variable Interest Entity [Line Items]    
Maximum loss exposure 20 [1] 16 [1]
Prime [Member] | Unconsolidated VIEs | Senior securities held [Member]
    
Variable Interest Entity [Line Items]    
Trading assets 11 1
Investment securities 1 0
Prime [Member] | Unconsolidated VIEs | Subordinate securities held [Member]
    
Variable Interest Entity [Line Items]    
Trading assets 0 0
Residual interests held 8 8
Total Assets 20 [2] 9 [2]
Principal balance outstanding 457 [3] 191 [3]
Prime [Member] | Consolidated VIE
    
Variable Interest Entity [Line Items]    
Maximum loss exposure 0 [1] 1 [1]
Loans, notes and mortgages 0 0
Other assets 0 1
Total Assets 0 1
Long-term borrowings 0 0
Total Liabilities 0 0
Subprime [Member] | Unconsolidated VIEs
    
Variable Interest Entity [Line Items]    
Maximum loss exposure 55 [1] 52 [1]
Subprime [Member] | Unconsolidated VIEs | Senior securities held [Member]
    
Variable Interest Entity [Line Items]    
Trading assets 4 2
Investment securities 0 0
Subprime [Member] | Unconsolidated VIEs | Subordinate securities held [Member]
    
Variable Interest Entity [Line Items]    
Trading assets 3 8
Residual interests held 4 0
Total Assets 11 [2] 10 [2]
Principal balance outstanding 6,455 [3] 6,192 [3]
Subprime [Member] | Consolidated VIE
    
Variable Interest Entity [Line Items]    
Maximum loss exposure 9 [1] 0 [1]
Loans, notes and mortgages 185 0
Other assets 12 0
Total Assets 197 0
Long-term borrowings 188 0
Total Liabilities 188 0
Commercial Mortgage [Member] | Unconsolidated VIEs
    
Variable Interest Entity [Line Items]    
Maximum loss exposure 102 [1] 130 [1]
Commercial Mortgage [Member] | Unconsolidated VIEs | Senior securities held [Member]
    
Variable Interest Entity [Line Items]    
Trading assets 5 19
Investment securities 0 0
Commercial Mortgage [Member] | Unconsolidated VIEs | Subordinate securities held [Member]
    
Variable Interest Entity [Line Items]    
Trading assets 2 1
Residual interests held 38 42
Total Assets 45 [2] 62 [2]
Principal balance outstanding 17,258 [3] 24,545 [3]
Commercial Mortgage [Member] | Consolidated VIE
    
Variable Interest Entity [Line Items]    
Maximum loss exposure 0 [1] 0 [1]
Loans, notes and mortgages 0 0
Other assets 0 0
Total Assets 0 0
Long-term borrowings 0 0
Total Liabilities $ 0 $ 0
[1] Maximum loss exposure excludes liabilities for representations and warranties.
[2] Substantially all of the securities were in Level 2 in the fair value hierarchy.
[3] Principal balance outstanding includes those loans that Merrill Lynch transferred and with which it has continuing involvement.