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DERIVATIVE INSTRUMENTS - Summary of Balance Sheet Classification of Derivative Fair Value Amounts, as well as Gross Asset and Liability Fair Value Amounts (Detail) - USD ($) $ in Millions | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | $ 28,250 | $ 43,927
Derivative asset, fair value, gross asset including not subject to master netting arrangement | 479 | 1,207
Derivative liability, fair value, gross liability including not subject to master netting arrangement | (974) | (1,998)
Asset derivatives fair value | 331 | 1,080
Liability derivatives fair value | (842) | (1,852)
Other assets |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 9,509 | 18,329
Asset derivatives fair value | 479 | 1,207
Liability derivatives fair value | 0 | 0
Other liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 18,741 | 25,598
Asset derivatives fair value | 0 | 0
Liability derivatives fair value | (974) | (1,998)
Cash flow hedges |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 75 | 75
Asset derivatives fair value | 0 | 0
Liability derivatives fair value | (9) | (10)
Cash flow hedges | Foreign currency swaps |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 75 | 75
Asset derivatives fair value | 0 | 0
Liability derivatives fair value | (9) | (10)
Fair value hedges |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 14,938 | 15,189
Asset derivatives fair value | 0 | 2
Liability derivatives fair value | (431) | (791)
Fair value hedges | Foreign currency forwards |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 9,278 | 10,965
Asset derivatives fair value | 0 | 0
Liability derivatives fair value | (411) | (759)
Fair value hedges | Foreign currency options |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 5,660 | 4,224
Asset derivatives fair value | 0 | 2
Liability derivatives fair value | (20) | (32)
Net investment hedge |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 612 | 1,052
Asset derivatives fair value | 18 | 46
Liability derivatives fair value | (4) | (19)
Net investment hedge | Foreign currency forwards |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 48 | 209
Asset derivatives fair value | 1 | 5
Liability derivatives fair value | 0 | (2)
Net investment hedge | Foreign currency options |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 564 | 843
Asset derivatives fair value | 17 | 41
Liability derivatives fair value | (4) | (17)
Non-qualifying strategies |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 12,625 | 27,611
Asset derivatives fair value | 461 | 1,159
Liability derivatives fair value | (530) | (1,178)
Non-qualifying strategies | Foreign currency swaps |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 5,387 | 6,266
Asset derivatives fair value | 301 | 490
Liability derivatives fair value | (187) | (220)
Non-qualifying strategies | Foreign currency forwards |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 7,124 | 21,218
Asset derivatives fair value | 159 | 667
Liability derivatives fair value | (343) | (956)
Non-qualifying strategies | Foreign currency options |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 25 | 41
Asset derivatives fair value | 0 | 0
Liability derivatives fair value | 0 | (2)
Non-qualifying strategies | Credit default swaps |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 89 | 86
Asset derivatives fair value | 1 | 2
Liability derivatives fair value | $ 0 | $ 0

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