Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Sales and Trading Revenue (Details)

v3.10.0.1
Derivatives - Sales and Trading Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue $ 2,315 $ 1,956 $ 5,014 $ 4,287
Brokerage commissions and asset management fee revenue | Global Markets        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 420 514 897 1,000
Trading Securities        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 3,337 3,159 7,386 7,009
Trading Securities | Trading Account Profits        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 2,184 1,743 4,887 3,920
Trading Securities | Net Interest Income        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 595 697 1,271 1,577
Trading Securities | Other        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 558 719 1,228 1,512
Trading Securities | Interest rate risk        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 661 669 1,594 1,471
Trading Securities | Interest rate risk | Trading Account Profits        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 348 219 888 502
Trading Securities | Interest rate risk | Net Interest Income        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 314 375 639 817
Trading Securities | Interest rate risk | Other        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue (1) 75 67 152
Trading Securities | Foreign exchange risk        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 385 349 786 714
Trading Securities | Foreign exchange risk | Trading Account Profits        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 392 347 796 715
Trading Securities | Foreign exchange risk | Net Interest Income        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue (8) (1) (13) (4)
Trading Securities | Foreign exchange risk | Other        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 1 3 3 3
Trading Securities | Equity risk        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 1,293 1,096 2,770 2,179
Trading Securities | Equity risk | Trading Account Profits        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 1,097 775 2,249 1,447
Trading Securities | Equity risk | Net Interest Income        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue (202) (155) (327) (230)
Trading Securities | Equity risk | Other        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 398 476 848 962
Trading Securities | Credit risk        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 907 992 2,058 2,451
Trading Securities | Credit risk | Trading Account Profits        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 284 371 828 1,121
Trading Securities | Credit risk | Net Interest Income        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 487 473 959 984
Trading Securities | Credit risk | Other        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 136 148 271 346
Trading Securities | Other risk        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 91 53 178 194
Trading Securities | Other risk | Trading Account Profits        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 63 31 126 135
Trading Securities | Other risk | Net Interest Income        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue 4 5 13 10
Trading Securities | Other risk | Other        
Trading Activity, Gains and Losses, Net [Line Items]        
Sales and trading revenue $ 24 $ 17 $ 39 $ 49