Quarterly report pursuant to Section 13 or 15(d)

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

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Federal Funds Sold or Purchased, Securities Financing Agreements, Short-term Borrowings and Restricted Cash - Remaining Contractual Maturity (Details)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2020
USD ($)
agreement
Dec. 31, 2019
USD ($)
agreement
Remaining Contractual Maturity    
Securities sold under agreements to repurchase $ 380,022 $ 299,384
Securities loaned 25,042 25,385
Other 12,644 15,346
Total $ 417,708 $ 340,115
Number of contractual agreements | agreement 0 0
Maximum agreement maturity period (less than) 3 years 3 years
Overnight and Continuous    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase $ 199,516 $ 129,455
Securities loaned 20,284 18,766
Other 12,644 15,346
Total 232,444 163,567
30 Days or Less    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 108,084 122,685
Securities loaned 16 3,329
Other 0 0
Total 108,100 126,014
After 30 Days Through 90 Days    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 23,509 25,322
Securities loaned 427 1,241
Other 0 0
Total 23,936 26,563
Greater than 90 Days    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 48,913 21,922
Securities loaned 4,315 2,049
Other 0 0
Total $ 53,228 $ 23,971