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POLICY LIABILITIES - Schedule of Changes in Other Policyholders' Funds (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Policyholder Account Balance [Line Items] |  |  |
Other deposit type reserves |  | $ 259 | $ 230
Total |  | 5,439 | 6,169
Aflac Japan | Fixed Annuity |  |  |
Policyholder Account Balance [Line Items] |  |  |
Beginning balance | [1] | 5,939 | 6,423
Premiums received | [1] | 51 | 126
Transfers from WAYS conversions | [1] | 116 | 229
Surrenders and withdrawals | [1] | (31) | (59)
Benefit payments | [1] | (208) | (419)
Interest credited | [1] | 24 | 53
Foreign currency translation and other | [1] | (711) | (414)
Ending balance | [1] | $ 5,180 | $ 5,939
[1] | Aflac Japan fixed annuities

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