v2.3.0.11
Commitments, Guarantees And Contingencies (Commitments By Period Of Expiration) (Details) (USD $)
In Millions
Jun. 30, 2011
Commitments $ 147,530
Investment Grade [Member] | Years To Maturity - Less Than 1 [Member] | Asset-Backed Securities [Member] | Commercial Paper [Member]
  
Commitments 138
Investment Grade [Member] | Years To Maturity - 1-3 [Member] | Asset-Backed Securities [Member] | Commercial Paper [Member]
  
Commitments 137
Investment Grade [Member] | Asset-Backed Securities [Member] | Commercial Paper [Member]
  
Commitments 275
U.S. Agency Securities [Member] | Settled Within Three Days [Member] | Forward Starting Reverse Repurchase Agreements [Member]
  
Commitments 67,500
Investment Grade [Member] | Years To Maturity - Less Than 1 [Member]
  
Commitments 14,074 [1]
Non-Investment Grade [Member] | Years To Maturity - Less Than 1 [Member]
  
Commitments 3,023
Years To Maturity - Less Than 1 [Member]
  
Commitments 90,271
Years To Maturity - Less Than 1 [Member] | Letters Of Credit And Other Financial Guarantees Obtained To Satisfy Collateral Requirements [Member]
  
Commitments 1,220
Years To Maturity - Less Than 1 [Member] | Investments [Member]
  
Commitments 1,255
Years To Maturity - Less Than 1 [Member] | Secondary Lending Commitments [Member]
  
Commitments 53 [2]
Years To Maturity - Less Than 1 [Member] | Commitments For Secured Lending Transactions [Member]
  
Commitments 278
Years To Maturity - Less Than 1 [Member] | Forward Starting Reverse Repurchase Agreements [Member]
  
Commitments 69,474 [3]
Years To Maturity - Less Than 1 [Member] | Commercial And Residential Mortgage-Related Commitments [Member]
  
Commitments 583
Years To Maturity - Less Than 1 [Member] | Underwriting Commitments [Member]
  
Commitments 76
Years To Maturity - Less Than 1 [Member] | Other Commitments [Member]
  
Commitments 235
Investment Grade [Member] | Years To Maturity - 1-3 [Member]
  
Commitments 20,494 [1]
Non-Investment Grade [Member] | Years To Maturity - 1-3 [Member]
  
Commitments 4,545
Years To Maturity - 1-3 [Member]
  
Commitments 26,198
Years To Maturity - 1-3 [Member] | Letters Of Credit And Other Financial Guarantees Obtained To Satisfy Collateral Requirements [Member]
  
Commitments 2
Years To Maturity - 1-3 [Member] | Investments [Member]
  
Commitments 359
Years To Maturity - 1-3 [Member] | Secondary Lending Commitments [Member]
  
Commitments 250 [2]
Years To Maturity - 1-3 [Member] | Commitments For Secured Lending Transactions [Member]
  
Commitments 322
Years To Maturity - 1-3 [Member] | Commercial And Residential Mortgage-Related Commitments [Member]
  
Commitments 14
Years To Maturity - 1-3 [Member] | Other Commitments [Member]
  
Commitments 212
Investment Grade [Member] | Years To Maturity - 3-5 [Member]
  
Commitments 18,138 [1]
Non-Investment Grade [Member] | Years To Maturity - 3-5 [Member]
  
Commitments 7,824
Years To Maturity - 3-5 [Member]
  
Commitments 26,452
Years To Maturity - 3-5 [Member] | Letters Of Credit And Other Financial Guarantees Obtained To Satisfy Collateral Requirements [Member]
  
Commitments 11
Years To Maturity - 3-5 [Member] | Investments [Member]
  
Commitments 87
Years To Maturity - 3-5 [Member] | Secondary Lending Commitments [Member]
  
Commitments 56 [2]
Years To Maturity - 3-5 [Member] | Commitments For Secured Lending Transactions [Member]
  
Commitments 231
Years To Maturity - 3-5 [Member] | Commercial And Residential Mortgage-Related Commitments [Member]
  
Commitments 103
Years To Maturity - 3-5 [Member] | Other Commitments [Member]
  
Commitments 2
Investment Grade [Member] | Years To Maturity - Over 5 [Member]
  
Commitments 508 [1]
Non-Investment Grade [Member] | Years To Maturity - Over 5 [Member]
  
Commitments 3,121
Years To Maturity - Over 5 [Member]
  
Commitments 4,609
Years To Maturity - Over 5 [Member] | Investments [Member]
  
Commitments 262
Years To Maturity - Over 5 [Member] | Secondary Lending Commitments [Member]
  
Commitments 130 [2]
Years To Maturity - Over 5 [Member] | Commercial And Residential Mortgage-Related Commitments [Member]
  
Commitments 588
Letters Of Credit And Other Financial Guarantees Obtained To Satisfy Collateral Requirements [Member]
  
Commitments 1,233
Investments [Member]
  
Commitments 1,963
Investment Grade [Member]
  
Commitments 53,214 [1]
Non-Investment Grade [Member]
  
Commitments 18,513
Secondary Lending Commitments [Member]
  
Commitments 489 [2]
Commitments For Secured Lending Transactions [Member]
  
Commitments 831
Forward Starting Reverse Repurchase Agreements [Member]
  
Commitments 69,474 [3]
Commercial And Residential Mortgage-Related Commitments [Member]
  
Commitments 1,288
Underwriting Commitments [Member]
  
Commitments 76
Other Commitments [Member]
  
Commitments $ 449
[1] This amount includes commitments to asset-backed commercial paper conduits of $275 million at June 30, 2011, of which $138 million have maturities of less than one year and $137 million of which have maturities of one to three years.
[2] These commitments are recorded at fair value within Financial instruments owned and Financial instruments sold, not yet purchased in the condensed consolidated statements of financial condition (see Note 3).
[3] The Company enters into forward starting securities purchased under agreements to resell (agreements that have a trade date at or prior to June 30, 2011 and settle subsequent to period-end) that are primarily secured by collateral from U.S. government agency securities and other sovereign government obligations. These agreements primarily settle within three business days and at June 30, 2011, $67.5 billion settled within three business days.