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Goodwill And Net Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) (USD $)
In Millions
 6 Months Ended
Jun. 30, 2011
Dec. 31, 2010
Beginning Balance $ 6,739 [1]  
Foreign currency translation adjustments and other 5  
Ending Balance 6,744 [1]  
Goodwill, accumulated impairments 700 700
Goodwill before accumulated impairments 7,444 7,439
Institutional Securities [Member]
    
Beginning Balance 383 [1]  
Foreign currency translation adjustments and other 5  
Ending Balance 388 [1]  
Global Wealth Management Group [Member]
    
Beginning Balance 5,616 [1]  
Foreign currency translation adjustments and other    
Ending Balance 5,616 [1]  
Asset Management [Member]
    
Beginning Balance 740 [1]  
Foreign currency translation adjustments and other    
Ending Balance $ 740 [1]  
[1] The amount of the Company's goodwill before accumulated impairments of $700 million at June 30, 2011 and December 31, 2010, was $7,444 million and $7,439 million, respectively.