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POLICY LIABILITIES - Reconciliation of Future Policy Benefits (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | $ 77,867 | $ 83,718
Deferred reinsurance gain liability |  | 161 | 175
Deferred Profit Liability - Limited-payment Contracts |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Deferred profit liability - limited-payment contracts |  | 1,734 | 1,806
Deferred reinsurance gain liability |  | 910 | 1,012
Intercompany eliminations |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits | [1] | (4,598) | (5,017)
Corporate and other |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 3,842 | 4,225
Cancer | Aflac Japan |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 30,172 | 32,652
Medical and other health | Aflac Japan |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 9,806 | 10,560
Life insurance | Aflac Japan |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 21,348 | 23,243
Life insurance | Aflac U.S. |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 901 | 911
Accident | Aflac U.S. |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 611 | 621
Disability | Aflac U.S. |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 757 | 770
Critical Care | Aflac U.S. |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 7,021 | 7,216
Hospital Indemnity | Aflac U.S. |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 811 | 836
Dental/Vision | Aflac U.S. |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 266 | 272
Other | Aflac Japan |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | 3,777 | 4,090
Other | Aflac U.S. |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Future policy benefits |  | $ 509 | $ 521
[1] | Elimination entry necessary due to the internal reinsurance transactions with Aflac Re and to recapture a portion of policy liabilities ceded externally as a result of the reinsurance retrocession transaction. See Note 8 for additional details.

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