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HELD-FOR-SALE - Narrative (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Nov. 22, 2022 | Jun. 01, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Interest in joint venture expected | 100.00% |  |  |
Interest in joint venture maximum limit expected period | 5 years |  |  |
Non cash valuation adjustment | $ 7 |  |  |
AB Holding |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Interest in joint venture | 49.00% |  |  |
Societe Generale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Interest in joint venture | 51.00% |  |  |
Corporate Solutions Life Reinsurance Company (CS Life) | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Investment impairment |  |  |  | $ 15
Gain on disposal |  | $ 1 |  |
Investment impairment, recovered |  |  | $ 15 |

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