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INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Variable Interest Entity [Line Items] |  |  |
Other Investments, amortized cost | [1] | $ 2,358 | $ 1,450
Asset derivatives |  | 479 | 1,207
Assets, fair value |  | 88,669 | 83,044
Liability derivatives |  | 974 | 1,998
Liabilities |  | 114,106 | 109,337
Liabilities, fair value disclosure |  | 974 | 1,998
Variable Interest Entity, Consolidated |  |  |
Variable Interest Entity [Line Items] |  |  |
Securities available for sale, fixed maturities, amortized cost |  | 4,274 | 4,168
Securities available for sale, fixed maturities, fair value |  | 5,224 | 4,982
Securities available for sale, perpetual securities, amortized cost |  | 239 | 237
Securities available for sale, perpetual securities, fair value |  | 211 | 208
Available-for-sale equity securities, amortized cost basis |  | 595 | 972
Available-for-sale securities, equity securities |  | 690 | 1,044
Other Investments, amortized cost | [2] | 1,500 | 819
Other investments, fair value | [2] | 1,491 | 789
Asset derivative, amortized cost | [3] | 148 | 127
Asset derivatives | [3] | 148 | 127
Assets, amortized cost |  | 6,756 | 6,323
Assets, fair value |  | 7,764 | 7,150
Liability derivatives, amortized cost | [3] | 132 | 146
Liability derivatives | [3] | 132 | 146
Liabilities |  | 132 | 146
Liabilities, fair value disclosure |  | $ 132 | $ 146
[1] | Includes $1,500 in 2017 and $819 in 2016 of loan receivables and limited partnerships from consolidated variable interest entities
[2] | Consists of CMLs, MMLs, and alternative investments in limited partnerships
[3] | Consists entirely of derivatives

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