Quarterly report pursuant to Section 13 or 15(d)

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

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Federal Funds Sold or Purchased, Securities Financing Agreements, Short-term Borrowings and Restricted Cash - Securities Financing Agreements (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Securities borrowed or purchased under agreements to resell:    
Gross Assets $ 373,800 $ 348,472
Amounts Offset (125,563) (135,725)
Net Balance Sheet Amount 248,237 212,747
Financial Instruments (218,291) (165,720)
Net Assets 29,946 47,027
Securities loaned or sold under agreements to repurchase:    
Gross Liabilities 297,163 312,582
Amounts Offset (125,563) (135,725)
Net Balance Sheet Amount 171,600 176,857
Financial Instruments (151,842) (146,205)
Net Liabilities 19,758 30,652
Other:    
Gross Liabilities 24,446 22,711
Amounts Offset 0 0
Net Balance Sheet Amount 24,446 22,711
Financial Instruments (24,446) (22,711)
Net Liabilities 0 0
Total Securities Financing Agreements Liability:    
Gross Liabilities 321,609 335,293
Amounts Offset (125,563) (135,725)
Net Balance Sheet Amount 196,046 199,568
Financial Instruments (176,288) (168,916)
Net Liabilities 19,758 30,652
Loans and leases repurchase activity $ 11,100 $ 10,200