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INVESTMENTS - Investments in Variable Interest Entities Not Consolidated (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Variable Interest Entity [Line Items] |  |  |
Available for sale, fixed maturity securities, amortized cost |  | $ 75,306 | $ 75,469
Available for sale, fixed maturity securities |  | 78,099 | 75,741
Other investments |  | 5,241 | 4,070
Assets, fair value |  | 86,105 | 82,924
Variable Interest Entity, Not Consolidated |  |  |
Variable Interest Entity [Line Items] |  |  |
Available for sale, fixed maturity securities, amortized cost |  | 3,890 | 3,998
Available for sale, fixed maturity securities |  | 4,274 | 4,259
Other investments | [1] | 383 | 381
Other investments, fair value | [1] | 383 | 381
Assets, amortized cost |  | 4,273 | 4,379
Assets, fair value |  | $ 4,657 | $ 4,640
[1] | Consists entirely of alternative investments in limited partnerships

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