v2.3.0.11
Collateralized Transactions (Cash And Securities Deposited With Clearing Organizations Or Segregated Under Federal And Other Regulations Or Requirements) (Details) (USD $)
In Millions
Jun. 30, 2011
Dec. 31, 2010
Collateralized Transactions    
Cash deposited with clearing organizations or segregated under federal and other regulations or requirements $ 25,504 $ 19,180
Securities 12,175 [1] 18,935 [1]
Total $ 37,679 $ 38,115
[1] Securities deposited with clearing organizations or segregated under federal and other regulations or requirements are sourced from Federal funds sold and securities purchased under agreements to resell and Financial instruments owned in the condensed consolidated statements of financial condition.