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DEFERRED POLICY ACQUISITION COSTS - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred Policy Acquisition Costs Disclosures [Abstract] |  |  |
Commissions deferred as a percentage of total acquisition costs | 69.00% | 67.00% | 68.00%

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- Definition Percentage of Deferred Policy Acquisition Costs Attributable to Commissions Deferred + References No definition available. + Details
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Namespace Prefix: | afl_
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Balance Type: | na
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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