Quarterly report pursuant to Section 13 or 15(d)

Merger and Restructuring Activity (Details 1)

v2.3.0.15
Merger and Restructuring Activity (Details 1) (USD $)
In Millions
3 Months Ended 6 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Merger-related Restructuring Reserves        
Restructuring Reserve, Beginning Balance $ 169 $ 260 $ 336 $ 403
Exit costs and restructuring charges:        
Cash Payments and Other (18) (74) (294) (395)
Restructuring Reserve, Ending Balance 196 273 169 260
Merrill Lynch [Member]
       
Exit costs and restructuring charges:        
Exit costs and restructuring charges 45 87 127 199
Other [Member]
       
Exit costs and restructuring charges:        
Exit costs and restructuring charges     $ 0 $ 53