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RESERVE FOR LOSSES, LAE AND FUTURE POLICY BENEFIT RESERVE - Summary of Activity in the Reserve for Losses and LAE (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] |  |  |  |
Gross reserves beginning of period | $ 22,065 | $ 19,009 |  |
Less reinsurance recoverables on unpaid losses | (2,175) | (1,986) | $ (2,105) | $ (1,946)
Net reserves beginning of period | 19,960 | 17,063 |  |
Incurred related to: |  |  |  |
Current year | 3,927 | 3,668 |  |
Prior years | 0 | (2) |  |
Total incurred losses and LAE | 3,927 | 3,666 |  |
Paid related to: |  |  |  |
Current year | 1,307 | 979 |  |
Prior years | 1,515 | 1,484 |  |
Total paid losses and LAE | 2,822 | 2,462 |  |
Foreign exchange/translation adjustment | 165 | (259) |  |
Net reserves end of period | 21,229 | 18,007 |  |
Plus reinsurance recoverables on unpaid losses | 2,175 | 1,986 | $ 2,105 | $ 1,946
Gross reserves end of period | $ 23,405 | $ 19,993 |  |

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- Definition Amount, after effects of reinsurance, of payments to settle claims incurred in the current period and related claims settlement costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -SubTopic 40 -Topic 944 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-3 + Details
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