Quarterly report pursuant to Section 13 or 15(d)

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

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Federal Funds Sold or Purchased, Securities Financing Agreements and Short-term Borrowings (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Amount        
Average liability amount during year $ 207,634 $ 257,323 $ 215,131 $ 251,231
Rate        
Average liability rate during year (percent) 1.09% 0.92% 1.12% 0.99%
Federal funds purchased and securities loaned or sold under agreements to repurchase        
Amount        
Average liability amount during year $ 177,883 $ 219,613 $ 184,500 $ 218,112
Maximum month-end liability balance during year $ 192,536 $ 235,232 $ 196,631 $ 235,232
Rate        
Average liability rate during year (percent) 0.93% 0.83% 1.00% 0.92%
Short-term borrowings        
Amount        
Average liability amount during year $ 29,751 $ 37,710 $ 30,631 $ 33,119
Maximum month-end liability balance during year $ 31,935 $ 40,110 $ 33,051 $ 40,110
Rate        
Average liability rate during year (percent) 2.02% 1.44% 1.85% 1.47%
Federal funds sold and securities borrowed or purchased under agreements to resell        
Amount        
Average asset outstanding amount $ 214,254 $ 210,127 $ 215,476 $ 212,781
Maximum month-end asset outstanding amount $ 222,489 $ 217,701 $ 225,015 $ 226,502
Rate        
Average asset outstanding rate (percent) 0.50% 0.52% 0.50% 0.49%