Annual report pursuant to Section 13 and 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
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Federal funds purchased and securities loaned or sold under agreements to repurchase    
Amount    
Average during year $ 183,818 $ 213,497
Maximum month-end balance during year $ 196,631 $ 235,232
Rate    
Average during year (percent) 0.97% 0.89%
Short-term borrowings    
Amount    
Average during year $ 29,440 $ 32,798
Maximum month-end balance during year $ 33,051 $ 40,110
Rate    
Average during year (percent) 1.95% 1.49%
Federal funds sold and securities borrowed or purchased under agreements to resell    
Amount    
Average during year $ 216,161 $ 211,471
Maximum month-end asset outstanding amount $ 225,015 $ 226,502
Rate    
Average asset outstanding rate (percent) 0.52% 0.47%