Coinsurance, Amount of Assets Received

No definition available.

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- Definition

Coinsurance, Amount of Assets Transferred

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Coinsurance, Amount of Reserves Assumed

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Coinsurance, Amount of Reserves Transferred

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Deferred Reinsurance Gain Liability

+ References

No definition available.

+ Details

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- 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

No definition available.

+ Details

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- Definition

Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479838/944-20-50-5

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 310
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477363/944-310-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 310
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477409/944-310-45-6

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477409/944-310-45-5

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of allowance for credit loss on reinsurance recoverable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147477363/944-310-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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-URI https://asc.fasb.org/1943274/2147477409/944-310-45-6

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 20
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-URI https://asc.fasb.org/1943274/2147479838/944-20-50-5

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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

+ Details

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Balance Type:	credit
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- Definition

Percentage of risk undertaken originally by insurer ceded to reinsurer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479838/944-20-50-3

+ Details

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- Details

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Period Type:

- Details

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- Details

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REINSURANCE - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended
	Mar. 31, 2026	Jan. 31, 2026	Dec. 31, 2025
Effects of Reinsurance [Line Items]
Deferred reinsurance gain liability	$ 294		$ 125
Reinsurance recoverable	466		161
Reinsurance recoverable, allowance for credit losses	17		$ 4
Aflac Re Bermuda
Effects of Reinsurance [Line Items]
Assumed reinsurance, amount of reserves assumed	551
Assumed reinsurance, amount of assets received	$ 636
Reinsurer, Other \| Aflac Life Insurance Japan (ALIJ)
Effects of Reinsurance [Line Items]
Ceded reinsurance, percentage		100.00%
Ceded reinsurance, amount of reserves transferred		$ 333
Ceded reinsurance, amount of assets transferred		$ 236