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INVESTMENTS - Investments in Consolidated Variable Interest Entities (Detail) - USD ($) $ in Millions | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Variable Interest Entity [Line Items] |  |  |
Available for sale, fixed maturity securities, amortized cost |  | $ 87,228 | $ 91,630
Available for sale, fixed maturity securities |  | 100,722 | 105,882
Equity securities |  | 1,461 | 1,283
Commercial mortgage and other loans |  | 11,388 | 10,554
Commercial mortgage and other loans, fair value |  | 11,596 | 10,655
Other investments |  | 3,612 | 2,429
Asset derivatives |  | 745 | 583
Assets, fair value |  | 110,969 | 114,028
Liability derivatives |  | 1,270 | 697
Liabilities |  | 127,045 | 131,527
Liabilities, fair value |  | 1,270 | 697
Variable Interest Entity, Consolidated |  |  |
Variable Interest Entity [Line Items] |  |  |
Available for sale, fixed maturity securities, amortized cost | [1] | 3,228 | 3,487
Available for sale, fixed maturity securities |  | 4,437 | 4,596
Commercial mortgage and other loans | [1] | 9,543 | 8,964
Commercial mortgage and other loans, fair value |  | 9,723 | 9,040
Other investments | [1],[2] | 1,272 | 826
Other investments, fair value | [2] | 1,272 | 826
Asset derivatives, amortized cost | [1],[3] | 99 | 133
Asset derivatives | [3] | 99 | 133
Assets, amortized cost | [1] | 14,142 | 13,410
Assets, fair value |  | 15,531 | 14,595
Liability derivatives, amortized cost | [1],[3] | 356 | 231
Liability derivatives | [3] | 356 | 231
Liabilities | [1] | 356 | 231
Liabilities, fair value |  | $ 356 | $ 231
[1] | Net of allowance for credit losses
[2] | Consists entirely of alternative investments in limited partnerships
[3] | Consists entirely of derivatives

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