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INVESTMENTS - Transitional Real Estate Loans by Key Credit Quality Indicators (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Financing Receivable | $ 13,551 | $ 13,688
Transitional real estate loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 119 |
2022 | 2,314 |
2021 | 2,404 |
2020 | 269 |
2019 | 1,008 |
Prior | 586 |
Total Financing Receivable | 6,700 |
Transitional real estate loans | Loan to Value Ratio, 0.00% to 59.99% |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 77 |
2022 | 692 |
2021 | 588 |
2020 | 36 |
2019 | 153 |
Prior | 10 |
Total Financing Receivable | 1,556 |
Transitional real estate loans | Loan to Value Ratio, 60.00% to 69.99% |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 42 |
2022 | 663 |
2021 | 707 |
2020 | 135 |
2019 | 490 |
Prior | 430 |
Total Financing Receivable | 2,467 |
Transitional real estate loans | Loan to Value Ratio, 70.00% to 79.99% |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 |
2022 | 882 |
2021 | 947 |
2020 | 98 |
2019 | 365 |
Prior | 146 |
Total Financing Receivable | 2,438 |
Transitional real estate loans | Loan-to-Value Ratio, 80.00% or greater |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 |
2022 | 77 |
2021 | 162 |
2020 | 0 |
2019 | 0 |
Prior | 0 |
Total Financing Receivable | $ 239 |

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