v3.8.0.1

Fair Value of Assets and Liabilities (Derivative Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | $ 1,205 | $ 1,367
Netting | (9,600) | (11,716)
Total derivative liabilities | 643 | 345
Netting | (5,312) | (5,945)
Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 8,424 | 9,330
Total derivative liabilities | 3,804 | 4,518
Currency |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 165 | 375
Total derivative liabilities | 262 | 893
Credit |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 21 | 1
Total derivative liabilities | 5 | 25
Currency/Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 1,588 | 3,174
Total derivative liabilities | 1,149 | 365
Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 607 | 203
Total derivative liabilities | 735 | 489
Commodity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 27 | 55
Total derivative liabilities | 3 | 7
Level 1 | Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 25 | 55
Total derivative liabilities | 1 | 1
Level 1 | Currency |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 1 | Credit |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 1 | Currency/Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 1 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 2 | 0
Total derivative liabilities | 2 | 6
Level 1 | Commodity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 10,768 | 13,022
Total derivative liabilities | 5,949 | 6,281
Level 2 | Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 8,399 | 9,269
Total derivative liabilities | 3,800 | 4,515
Level 2 | Currency |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 165 | 375
Total derivative liabilities | 262 | 893
Level 2 | Credit |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 21 | 1
Total derivative liabilities | 5 | 25
Level 2 | Currency/Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 1,588 | 3,174
Total derivative liabilities | 1,149 | 365
Level 2 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 595 | 203
Total derivative liabilities | 733 | 483
Level 2 | Commodity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 10 | 6
Total derivative liabilities | 3 | 2
Level 3 | Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 6
Total derivative liabilities | 3 | 2
Level 3 | Currency |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 3 | Credit |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 3 | Currency/Interest Rate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | 0 | 0
Level 3 | Equity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 10 | 0
Total derivative liabilities | 0 | 0
Level 3 | Commodity |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total derivative assets | 0 | 0
Total derivative liabilities | $ 0 | $ 0

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