Goodwill and Identifiable Intangible Assets (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Goodwill and intangible assets
Goodwill	$ 3,323	$ 3,495
Identifiable Intangible Assets	1,864	2,027
Investment Banking - Underwriting [Member]
Goodwill and intangible assets
Goodwill	125	125
Institutional Client Services - Fixed Income, Currency and Commodities Client Execution [Member]
Goodwill and intangible assets
Goodwill	5	159
Identifiable Intangible Assets	525	608
Institutional Client Services - Equities Client Execution [Member]
Goodwill and intangible assets
Goodwill	2,361	2,361
Identifiable Intangible Assets	687	718
Institutional Client Services - Securities Services [Member]
Goodwill and intangible assets
Goodwill	117	117
Investing and Lending [Member]
Goodwill and intangible assets
Goodwill	154	172
Identifiable Intangible Assets	538	579
Investment Management [Member]
Goodwill and intangible assets
Goodwill	561	561
Identifiable Intangible Assets	$ 114	$ 122