Quarterly report pursuant to Section 13 or 15(d)

Segment and Geographic Information (Details)

v2.4.0.6
Segment and Geographic Information (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Revenue from External Customers and Long-lived Assets [Line Items]    
Revenues, Net of Interest Expense $ 6,317 $ 4,765
Net gain (loss) due to changes in credit spreads on carrying values of certain long-term borrowings 124 [1] (624) [1]
Total Non-U.S.
    
Revenue from External Customers and Long-lived Assets [Line Items]    
Revenues, Net of Interest Expense 2,451 2,541
Net gain (loss) due to changes in credit spreads on carrying values of certain long-term borrowings (34) 2,100
Europe, Middle East, and Africa
    
Revenue from External Customers and Long-lived Assets [Line Items]    
Revenues, Net of Interest Expense 1,366 1,453
Pacific Rim
    
Revenue from External Customers and Long-lived Assets [Line Items]    
Revenues, Net of Interest Expense 688 720
Latin America
    
Revenue from External Customers and Long-lived Assets [Line Items]    
Revenues, Net of Interest Expense 319 262
Canada
    
Revenue from External Customers and Long-lived Assets [Line Items]    
Revenues, Net of Interest Expense 78 106
United States [Member]
    
Revenue from External Customers and Long-lived Assets [Line Items]    
Revenues, Net of Interest Expense $ 3,866 [2],[3] $ 2,224 [2],[3]
[1] At March 31, 2013 and December 31, 2012, Merrill Lynch's cumulative DVA reduced the derivative liabilities balance by $0.5 billion and $0.4 billion
[2] U.S. results for the three months ended March 31, 2013 and March 31, 2012 included net losses of $34 million and $2.1 billion, respectively, due to the impact of changes in Merrill Lynch's credit spreads on the carrying values of certain long-term borrowings, primarily structured notes.
[3] Corporate net revenues and adjustments are reflected in the U.S. region.