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
 3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Remaining Contractual Maturity    
Securities sold under agreements to repurchase $ 304,978 $ 280,236
Securities loaned 24,490 18,792
Other 16,102 14,448
Total $ 345,570 313,476
Maximum agreement maturity period (less than) 3 years  
Overnight and Continuous    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase $ 134,495 129,853
Securities loaned 18,164 8,564
Other 16,102 14,448
Total 168,761 152,865
30 Days or Less    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 82,101 77,780
Securities loaned 760 6,602
Other 0 0
Total 82,861 84,382
After 30 Days Through 90 Days    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 36,219 31,851
Securities loaned 1,430 1,473
Other 0 0
Total 37,649 33,324
Greater than 90 Days    
Remaining Contractual Maturity    
Securities sold under agreements to repurchase 52,163 40,752
Securities loaned 4,136 2,153
Other 0 0
Total $ 56,299 $ 42,905