Quarterly report pursuant to Section 13 or 15(d)

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

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Federal Funds Sold or Purchased, Securities Financing Agreements, Short-term Borrowings and Restricted Cash - Schedule (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Federal funds purchased and securities loaned or sold under agreements to repurchase        
Amount        
Average during period $ 220,741 $ 192,376 $ 212,214 $ 193,029
Maximum month-end balance during period $ 217,825 $ 195,028 $ 218,628 $ 206,493
Rate        
Average during period 0.29% 0.41% 0.26% 0.81%
Short-term borrowings        
Amount        
Average during period $ 20,862 $ 17,770 $ 20,714 $ 23,347
Maximum month-end balance during period $ 21,293 $ 19,530 $ 23,333 $ 30,118
Rate        
Average during period (0.19%) 0.08% (0.14%) 0.68%
Federal funds sold and securities borrowed or purchased under agreements to resell        
Amount        
Average during period $ 270,094 $ 384,221 $ 263,581 $ 325,356
Maximum month-end balance during period $ 278,684 $ 420,830 $ 278,684 $ 451,179
Rate        
Average during period 0.01% 0.06% (0.02%) 0.37%