Quarterly report pursuant to Section 13 or 15(d)

Federal Funds Sold or Purchased, Securities Financing Agreements and Short-term Borrowings - Repurchase Agreements and Securities Loaned Transactions Accounted for as Secured Borrowings (Details)

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Federal Funds Sold or Purchased, Securities Financing Agreements and Short-term Borrowings - Repurchase Agreements and Securities Loaned Transactions Accounted for as Secured Borrowings (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Remaining Contractual Maturity    
Securities sold under agreements to repurchase $ 287,396 $ 284,303
Securities loaned 22,295 44,775
Other 12,956 13,235
Total $ 322,647 342,313
Maximum agreement maturity period (less than) 3 years  
Overnight and Continuous    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase $ 126,298 126,694
Securities loaned 17,203 39,772
Other 12,956 13,235
Total 156,457 179,701
30 Days or Less    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 84,943 86,879
Securities loaned 1,277 363
Other 0 0
Total 86,220 87,242
After 30 Days Through 90 Days    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 44,351 43,216
Securities loaned 1,838 2,352
Other 0 0
Total 46,189 45,568
Greater than 90 Days    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 31,804 27,514
Securities loaned 1,977 2,288
Other 0 0
Total $ 33,781 $ 29,802