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DERIVATIVE INSTRUMENTS - Additional Information (Detail) ¥ in Billions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2016 USD ($) counterparties currency | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) counterparties currency | Sep. 30, 2015 USD ($) | Sep. 30, 2016 JPY (¥) counterparties currency | Dec. 31, 2015 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Derivative, collateral, right to reclaim cash | $ 259,000,000 | [1] |  | $ 259,000,000 | [1] |  |  | $ 3,000,000
Hedging activity, weighted-average period (in years) |  |  |  | 9 years |  |  |  |
Number of currencies related to foreign currency swaps | currency | 1 |  |  | 1 |  |  | 1 |
Number of counterparties | counterparties | 18 |  |  | 18 |  |  | 18 |
Number of counterparties that comprise majority of aggregate notional amount of swaps | counterparties | 5 |  |  | 5 |  |  | 5 |
Percentage of notional amount of swaps from certain number of counterparties | 61.00% |  |  | 61.00% |  |  | 61.00% |
Collateral Already Posted, Aggregate Fair Value | $ 259,000,000 |  |  | $ 259,000,000 |  |  |  | 20,000,000
Derivative, collateral, right to reclaim securities |  |  |  |  |  |  |  | 17,000,000
Derivative, Net Liability Position, Aggregate Fair Value | 227,000,000 |  |  | 227,000,000 |  |  |  | 26,000,000
Collateral obtained from third parties | 1,277,000,000 |  |  | 1,277,000,000 |  |  |  | 412,000,000
Notional Amount of Derivatives | 39,238,000,000 |  |  | 39,238,000,000 |  |  |  | 22,127,000,000
Foreign currency forwards |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Derivative, collateral, right to reclaim cash | 37,000,000 |  |  | 37,000,000 |  |  |  |
Non-qualifying strategies |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | 20,351,000,000 |  |  | 20,351,000,000 |  |  |  | 6,693,000,000
Derivative, Gain (Loss) on Derivative, Net | 95,000,000 |  | $ 18,000,000 | 22,000,000 |  | $ 21,000,000 |  |
Non-qualifying strategies | Foreign currency forwards |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | 13,565,000,000 |  |  | 13,565,000,000 |  |  |  | 11,000,000
Derivative, Gain (Loss) on Derivative, Net | 144,000,000 |  | 17,000,000 | 165,000,000 |  | 16,000,000 |  |
Net investment hedge |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 0 |  | $ 0 | 0 |  | $ 0 |  |
Notional Amount of Derivatives | 1,118,000,000 |  |  | 1,118,000,000 |  |  |  | 1,029,000,000
Net investment hedge | Foreign currency forwards |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | 292,000,000 |  |  | 292,000,000 |  |  |  | 763,000,000
Cash flow hedges |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | 75,000,000 |  |  | 75,000,000 |  |  |  | $ 75,000,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | 1,000,000 |  |  | 1,000,000 |  |  |  |
3.625% senior notes due November 2024 |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Debt instrument, principal amount | 750,000,000 |  |  | 750,000,000 |  |  |  |
3.25% senior notes due March 2025 |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Debt instrument, principal amount | 450,000,000 |  |  | 450,000,000 |  |  |  |
3.625% senior notes due June 2023 |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Debt instrument, principal amount | 700,000,000 |  |  | 700,000,000 |  |  |  |
2.65% senior notes due February 2017 |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Debt instrument, principal amount | 400,000,000 |  |  | 400,000,000 |  |  |  |
2.40% senior notes due March 2020 |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Debt instrument, principal amount | 550,000,000 |  |  | 550,000,000 |  |  |  |
4.00% senior notes due February 2022 |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Debt instrument, principal amount | 350,000,000 |  |  | 350,000,000 |  |  |  |
5.50% subordinated notes due September 2052 |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Debt instrument, principal amount | 500,000,000 |  |  | 500,000,000 |  |  |  |
February twenty sixteen profit repatriation | Foreign currency forwards |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | ¥ |  |  |  |  |  |  | ¥ 25.0 |
July twenty sixteen profit repatriation | Foreign currency forwards and options |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | ¥ |  |  |  |  |  |  | 51.1 |
September twenty sixteen profit repatriation | Foreign currency forwards and options |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | ¥ |  |  |  |  |  |  | 14.7 |
Future profit repatriation | Foreign currency forwards and options |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | ¥ |  |  |  |  |  |  | ¥ 113.0 |
Commercial mortgage loans | Foreign currency forwards |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |  |
Notional Amount of Derivatives | $ 348,000,000 |  |  | $ 348,000,000 |  |  |  |
[1] | Consists entirely of cash.

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