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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- Definition

Coinsurance, Amount of Reserves Assumed

+ References

No definition available.

+ Details

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- Definition

Coinsurance, Amount of Reserves Transferred

+ References

No definition available.

+ Details

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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

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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
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- Definition

Amount of allowance for credit loss on reinsurance recoverable.

+ References

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- Definition

Percentage of risk undertaken originally by insurer ceded to reinsurer.

+ References

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REINSURANCE - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended
	Jul. 31, 2026	Mar. 31, 2026	Jan. 31, 2026	Sep. 30, 2026	Dec. 31, 2025
Effects of Reinsurance [Line Items]
Deferred reinsurance gain liability				$ 294	$ 125
Reinsurance recoverable				458	161
Reinsurance recoverable, allowance for credit losses				$ 16	$ 4
Aflac Re Bermuda Ltd. (Aflac Re)
Effects of Reinsurance [Line Items]
Assumed reinsurance, amount of reserves assumed		$ 551
Assumed reinsurance, amount of assets received		$ 636
Aflac Life Insurance Japan Ltd. (ALIJ) \| Aflac Re Bermuda Ltd. (Aflac Re)
Effects of Reinsurance [Line Items]
Ceded reinsurance, percentage	50.00%
Ceded reinsurance, amount of reserves transferred	$ 2,700
Ceded reinsurance, amount of assets transferred	$ 1,500
Aflac Life Insurance Japan Ltd. (ALIJ) \| Reinsurer, Other
Effects of Reinsurance [Line Items]
Ceded reinsurance, percentage			100.00%
Ceded reinsurance, amount of reserves transferred			$ 333
Ceded reinsurance, amount of assets transferred			$ 236