Quarterly report pursuant to Section 13 or 15(d)

Federal Funds Sold or Purchased, Securities Financing Agreements and Short-term Borrowings Offsetting Assets and Liabilities (Details)

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Federal Funds Sold or Purchased, Securities Financing Agreements and Short-term Borrowings Offsetting Assets and Liabilities (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Offsetting Assets And Liabilities [Abstract]    
Securities borrowed or purchased under agreements to resell, gross asset $ 315,751 $ 366,238
Securities borrowed or purchased under agreements to resell, amounts offset (103,744) (146,914)
Securities Borrowed or Purchased Under Agreements to Resell 212,007 219,324
Securities borrowed or purchased under agreements to resell, financial Instruments (171,277) (173,593)
Securities borrowed or purchased under agreements to resell, net asset 40,730 45,731
Securities loaned or sold under agreements to repurchase, gross liability 329,867 439,022
Securities loaned or sold under agreements to repurchase, amounts offset (103,744) (146,914)
Securities loaned or sold under agreements to repurchase, net balance sheet amount 226,123 292,108
Securities loaned or sold under agreements to repurchase, financial instruments (180,918) (217,817)
Securities loaned or sold under agreements to repurchase, net liability 45,205 74,291
Other, gross liability 9,180 12,306
Other, amounts offset 0 0
Other, net balance sheet amount 9,180 12,306
Other, financial instruments (9,180) (12,302)
Other, net liability 0 4
Total, gross liability 339,047 451,328
Total, amounts offset (103,744) (146,914)
Total, net balance sheet amount 235,303 304,414
Total, financial instruments (190,098) (230,119)
Total, net liability $ 45,205 $ 74,295