Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Sales and Trading Revenue (Details)

v3.8.0.1
Derivatives - Sales and Trading Revenue (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue $ 2,699 $ 2,331
Brokerage commissions and asset management fee revenue | Global Markets    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 476 524
Trading Securities    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 4,050 3,850
Trading Securities | Trading Account Profits    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 2,703 2,177
Trading Securities | Net Interest Income    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 676 880
Trading Securities | Other    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 671 793
Trading Securities | Interest rate risk    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 894 734
Trading Securities | Interest rate risk | Trading Account Profits    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 620 348
Trading Securities | Interest rate risk | Net Interest Income    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 206 310
Trading Securities | Interest rate risk | Other    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 68 76
Trading Securities | Foreign exchange risk    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 401 366
Trading Securities | Foreign exchange risk | Trading Account Profits    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 404 368
Trading Securities | Foreign exchange risk | Net Interest Income    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue (5) (3)
Trading Securities | Foreign exchange risk | Other    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 2 1
Trading Securities | Equity risk    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 1,478 1,083
Trading Securities | Equity risk | Trading Account Profits    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 1,154 672
Trading Securities | Equity risk | Net Interest Income    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue (125) (75)
Trading Securities | Equity risk | Other    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 449 486
Trading Securities | Credit risk    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 1,190 1,527
Trading Securities | Credit risk | Trading Account Profits    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 463 686
Trading Securities | Credit risk | Net Interest Income    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 591 644
Trading Securities | Credit risk | Other    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 136 197
Trading Securities | Other risk    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 87 140
Trading Securities | Other risk | Trading Account Profits    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 62 103
Trading Securities | Other risk | Net Interest Income    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue 9 4
Trading Securities | Other risk | Other    
Trading Activity, Gains and Losses, Net [Line Items]    
Sales and trading revenue $ 16 $ 33