XML 89 R78.htm IDEA: XBRL DOCUMENT
v3.25.2

POLICY LIABILITIES - Schedule of Weighted-Average Interest Rate and Liability for Future Policy Benefit (Details) | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Aflac Japan | Cancer |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 3.80% | 3.90%
Weighted-average interest, current discount rate | [1] | 2.80% | 2.20%
Weighted-average liability duration |  | 12 years 7 months 6 days | 12 years 7 months 6 days
Aflac Japan | Medical and other health |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 2.50% | 2.50%
Weighted-average interest, current discount rate | [1] | 3.40% | 2.80%
Weighted-average liability duration |  | 23 years | 23 years 6 months
Aflac Japan | Life insurance |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 2.10% | 2.10%
Weighted-average interest, current discount rate | [1] | 2.60% | 2.10%
Weighted-average liability duration |  | 16 years 2 months 12 days | 16 years 1 month 6 days
Aflac Japan | Other |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 1.80% | 1.80%
Weighted-average interest, current discount rate | [1] | 3.10% | 2.50%
Weighted-average liability duration |  | 16 years 4 months 24 days | 16 years 8 months 12 days
Aflac U.S. | Life insurance |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 3.90% | 3.80%
Weighted-average interest, current discount rate | [1] | 5.40% | 5.30%
Weighted-average liability duration |  | 13 years 6 months | 13 years 6 months
Aflac U.S. | Accident |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 4.00% | 4.00%
Weighted-average interest, current discount rate | [1] | 5.30% | 5.30%
Weighted-average liability duration |  | 7 years 7 months 6 days | 7 years 8 months 12 days
Aflac U.S. | Disability |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 4.30% | 4.30%
Weighted-average interest, current discount rate | [1] | 5.10% | 5.20%
Weighted-average liability duration |  | 5 years 7 months 6 days | 5 years 7 months 6 days
Aflac U.S. | Critical Care |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 4.60% | 4.60%
Weighted-average interest, current discount rate | [1] | 5.50% | 5.30%
Weighted-average liability duration |  | 11 years | 11 years 1 month 6 days
Aflac U.S. | Hospital Indemnity |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 4.50% | 4.50%
Weighted-average interest, current discount rate | [1] | 5.40% | 5.30%
Weighted-average liability duration |  | 9 years | 9 years
Aflac U.S. | Dental/Vision |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 4.30% | 4.30%
Weighted-average interest, current discount rate | [1] | 5.30% | 5.30%
Weighted-average liability duration |  | 7 years 7 months 6 days | 7 years 7 months 6 days
Aflac U.S. | Other |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Weighted-average interest, original discount rate | [1] | 5.40% | 5.40%
Weighted-average interest, current discount rate | [1] | 5.40% | 5.30%
Weighted-average liability duration |  | 8 years 4 months 24 days | 9 years 1 month 6 days
[1] | The weighted-average interest rates are calculated using the reserve balances as the weights. No adjustments were made to observable market information.

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(6) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(5) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitActivityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current weighted-average discount rate used to measure liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(6) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitCurrentWeightedAverageDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted-average duration of liability for future policy benefit, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(5) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitWeightedAverageDuration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Original weighted-average discount rate at contract issue date used to measure liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(6) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitWeightedAverageInterestAccretionRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=afl_AflacJapanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_CancerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_MedicalAndOtherHealthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_LifeInsuranceSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_OtherInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=afl_AflacUSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_AccidentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_DisabilityInsurancePolicyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_CriticalCareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_HospitalIndemnityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=afl_DentalVisionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |