Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Offsetting Assets (Details)

v3.10.0.1
Derivatives - Offsetting Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Offsetting Assets [Line Items]    
Derivative assets, after netting $ 33,300 $ 25,600
Other gross derivative assets 12,300 12,200
Derivative assets 45,617 37,762
Less: Financial instruments collateral (18,400) (11,200)
Total net derivative assets 27,200 26,600
Over-the-counter    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 299,800 320,700
Less: Legally enforceable master netting agreements and cash collateral received (270,100) (296,900)
Exchange-traded    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 14,500 9,800
Less: Legally enforceable master netting agreements and cash collateral received (11,900) (8,600)
Over-the-counter cleared    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 10,700 8,900
Less: Legally enforceable master netting agreements and cash collateral received (9,700) (8,300)
Interest rate contracts | Over-the-counter    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 165,900 211,700
Interest rate contracts | Over-the-counter cleared    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 2,700 1,900
Foreign exchange risk | Over-the-counter    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 95,200 78,700
Foreign exchange risk | Over-the-counter cleared    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 1,100 900
Equity contracts | Over-the-counter    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 27,200 18,300
Equity contracts | Exchange-traded    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 13,500 9,100
Commodity contracts | Over-the-counter    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 3,600 2,900
Commodity contracts | Exchange-traded    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 1,000 700
Credit derivatives    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 58 46
Credit derivatives | Over-the-counter    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting 7,900 9,100
Credit derivatives | Over-the-counter cleared    
Offsetting Assets [Line Items]    
Total gross derivative assets, before netting $ 6,900 $ 6,100