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FUTURE POLICY BENEFITS - Schedule of Future Policy Benefits (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Policyholder Account Balance [Line Items] |  |  |  |
Other contracts and VOBA liability | $ 1,823 |  | $ 1,862 |
Total future policy benefits | 10,920 |  | 9,813 |
Balance, end of period | 11,676 | $ 10,365 |  |
Future policy benefits | 10,920 |  | 9,813 |
Future Policy Benefits |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Total future policy benefits | 8,768 | 6,863 |  |
Balance, beginning of period | 3,145 | 3,520 |  |
Beginning balance at original discount rate | 3,253 | 3,825 |  |
Effect of changes in cash flow assumptions |  |  | (62) | $ 1
Effect of actual variances from expected experience |  |  | (28) | (25)
Adjusted beginning of period balance |  |  | 3,163 | 3,801
Issuances | 1,312 | 722 |  |
Interest accrual | 71 | 63 |  |
Net premiums collected | (1,457) | (847) |  |
Derecognitions (lapses and withdrawals) | 1 | 1 |  |
Ending balance at original discount rate | 3,090 | 3,740 |  |
Effect of changes in discount rate assumptions | (235) | (238) |  |
Balance, end of period | 2,855 | 3,502 |  |
Balance, beginning of period | 10,771 | 9,582 |  |
Beginning balance at original discount rate | 11,186 | 10,548 |  |
Effect of changes in cash flow assumptions |  |  | 86 | (11)
Effect of actual variances from expected experience |  |  | (14) | (43)
Adjusted beginning of period balance |  |  | 11,258 | 10,494
Acquisition from business combination | 311 |  |  |
Issuances | 1,319 | 725 |  |
Interest accrual | 245 | 180 |  |
Benefit payments | (540) | (361) |  |
Derecognitions (lapses and withdrawals) | 2 | 1 |  |
Foreign currency translation | (114) | 75 |  |
Ending balance at original discount rate | 12,481 | 11,114 |  |
Effect of changes in discount rate assumptions | (858) | (743) |  |
Effect of foreign currency translation on the effect of changes in discount rate assumptions |  | (6) |  |
Balance, end of period | 11,623 | 10,365 |  |
Future policy benefits | 8,768 | 6,863 |  |
Less: Reinsurance recoverables | (81) | (102) |  |
Net liability for future policy benefits, after reinsurance recoverable | 8,687 | 6,761 |  |
Annuity |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Future policy benefits: | 6,904 |  | 5,731 |
Deferred profit liability: | 246 |  | 259 |
Balance, end of period | 6,877 | 4,929 |  |
Annuity | Future Policy Benefits |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Total future policy benefits | 6,904 | 4,928 |  |
Balance, beginning of period | 0 | 0 |  |
Beginning balance at original discount rate | 0 | 0 |  |
Effect of changes in cash flow assumptions |  |  | 0 | 0
Effect of actual variances from expected experience |  |  | 6 | 1
Adjusted beginning of period balance |  |  | 6 | 1
Issuances | 1,280 | 664 |  |
Interest accrual | 9 | 6 |  |
Net premiums collected | (1,295) | (671) |  |
Derecognitions (lapses and withdrawals) | 0 | 0 |  |
Ending balance at original discount rate | 0 | 0 |  |
Effect of changes in discount rate assumptions | 0 | 0 |  |
Balance, end of period | 0 | 0 |  |
Balance, beginning of period | 5,731 | 4,252 |  |
Beginning balance at original discount rate | 5,909 | 4,673 |  |
Effect of changes in cash flow assumptions |  |  | 12 | (12)
Effect of actual variances from expected experience |  |  | 19 | (16)
Adjusted beginning of period balance |  |  | 5,940 | 4,645
Acquisition from business combination | 311 |  |  |
Issuances | 1,287 | 667 |  |
Interest accrual | 144 | 92 |  |
Benefit payments | (312) | (214) |  |
Derecognitions (lapses and withdrawals) | 1 | 0 |  |
Foreign currency translation | (114) | 75 |  |
Ending balance at original discount rate | 7,257 | 5,265 |  |
Effect of changes in discount rate assumptions | (353) | (331) |  |
Effect of foreign currency translation on the effect of changes in discount rate assumptions |  | (6) |  |
Balance, end of period | 6,904 | 4,928 |  |
Future policy benefits | 6,904 | 4,928 |  |
Less: Reinsurance recoverables | (35) | (54) |  |
Net liability for future policy benefits, after reinsurance recoverable | 6,869 | 4,874 |  |
Life |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Future policy benefits: | 1,864 |  | 1,895 |
Deferred profit liability: | 83 |  | 66 |
Balance, end of period | 4,799 | 5,436 |  |
Life | Future Policy Benefits |  |  |  |
Policyholder Account Balance [Line Items] |  |  |  |
Total future policy benefits | 1,864 | 1,935 |  |
Balance, beginning of period | 3,145 | 3,520 |  |
Beginning balance at original discount rate | 3,253 | 3,825 |  |
Effect of changes in cash flow assumptions |  |  | (62) | 1
Effect of actual variances from expected experience |  |  | (34) | (26)
Adjusted beginning of period balance |  |  | 3,157 | 3,800
Issuances | 32 | 58 |  |
Interest accrual | 62 | 57 |  |
Net premiums collected | (162) | (176) |  |
Derecognitions (lapses and withdrawals) | 1 | 1 |  |
Ending balance at original discount rate | 3,090 | 3,740 |  |
Effect of changes in discount rate assumptions | (235) | (238) |  |
Balance, end of period | 2,855 | 3,502 |  |
Balance, beginning of period | 5,040 | 5,330 |  |
Beginning balance at original discount rate | 5,277 | 5,875 |  |
Effect of changes in cash flow assumptions |  |  | 74 | 1
Effect of actual variances from expected experience |  |  | (33) | (27)
Adjusted beginning of period balance |  |  | $ 5,318 | $ 5,849
Acquisition from business combination | 0 |  |  |
Issuances | 32 | 58 |  |
Interest accrual | 101 | 88 |  |
Benefit payments | (228) | (147) |  |
Derecognitions (lapses and withdrawals) | 1 | 1 |  |
Foreign currency translation | 0 | 0 |  |
Ending balance at original discount rate | 5,224 | 5,849 |  |
Effect of changes in discount rate assumptions | (505) | (412) |  |
Effect of foreign currency translation on the effect of changes in discount rate assumptions |  | 0 |  |
Balance, end of period | 4,719 | 5,437 |  |
Future policy benefits | 1,864 | 1,935 |  |
Less: Reinsurance recoverables | (46) | (48) |  |
Net liability for future policy benefits, after reinsurance recoverable | $ 1,818 | $ 1,887 |  |

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