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INVESTMENTS - Other Investments (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Investment Holdings [Line Items] |  |  |
Other investments |  | $ 5,241 | $ 4,070
Policy loans |  |  |
Investment Holdings [Line Items] |  |  |
Other investments |  | 201 | 214
Short-term investments |  |  |
Investment Holdings [Line Items] |  |  |
Other investments | [1] | 2,288 | 1,532
Limited partnerships |  |  |
Investment Holdings [Line Items] |  |  |
Other investments |  | 2,629 | 2,290
Real estate owned |  |  |
Investment Holdings [Line Items] |  |  |
Other investments |  | 89 | 0
Other |  |  |
Investment Holdings [Line Items] |  |  |
Other investments |  | $ 34 | $ 34
[1] | Includes securities lending collateral

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