Deferred Gain Loss Retroactive Reinsurance

No definition available.

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- Definition

Gross Reinsurance Assets Due From Reinsurers, Percent

+ References

No definition available.

+ Details

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- Definition

Liability for Future Policy Benefits, Losses, Claims and Loss Expense Reserves Ceded

+ References

No definition available.

+ Details

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- Definition

Reinsurance Asset, Allowance For Credit Loss

+ References

No definition available.

+ Details

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- Definition

Reinsurance Effect on Income From Amortization Deferred Gain Loss

+ References

No definition available.

+ Details

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- Definition

Reinsurance Recoverables, Gross, Percent

+ References

No definition available.

+ Details

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- Definition

Short Duration Insurance Contracts Losses Paid Net

+ References

No definition available.

+ Details

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- Definition

Short Duration Insurance Contracts Transfer Of Risk Percent

+ 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 of reduction of provision for policy benefits and costs incurred for policies ceded.

+ 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

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

+ Details

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- Definition

Amount before valuation allowance recoverable 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://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-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 3: http://www.xbrl.org/2003/role/disclosureRef
-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

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 310
-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/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

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- Details

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- Details

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Reinsurance - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Reinsurance - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effects of Reinsurance [Line Items]
Reinsurance asset, allowance for credit loss		$ 220	$ 206
Reinsurance recoverables		40,500	41,400
Ceded reserves		$ 3,400
Due from reinsurers (as a percent)		5.00%
Unsecured \| Reinsurer Concentration Risk [Member]
Effects of Reinsurance [Line Items]
Reinsurance recoverables		$ 2,100	2,300
Secured \| Reinsurer Concentration Risk [Member]
Effects of Reinsurance [Line Items]
Reinsurance recoverables		15,200	16,500
Short-Duration Insurance
Effects of Reinsurance [Line Items]
Reinsurance recoverables		5,200	8,100	$ 7,100
Ceded loss reserves		11,500	12,400
Deferred gain liability		725	585
Amortization of deferred gain		$ 406	$ 82	$ 252
Short-Duration Insurance \| NICO
Effects of Reinsurance [Line Items]
Reserve risk (as a percent)	80.00%
Insurance contract losses	$ 25,000
Investment Grade
Effects of Reinsurance [Line Items]
Reinsurance recoverable (as a percent)		83.00%	83.00%
Non-Investment Grade
Effects of Reinsurance [Line Items]
Reinsurance recoverable (as a percent)		15.00%	15.00%
Non-Investment Grade \| Captive Insurers
Effects of Reinsurance [Line Items]
Reinsurance recoverable (as a percent)		81.00%	85.00%
Not Rated
Effects of Reinsurance [Line Items]
Reinsurance recoverable (as a percent)		2.00%	2.00%