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F&G Reinsurance - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) policy	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Effects of Reinsurance [Line Items]
Number of policies reinsured by foreign company not engaged in insurance | policy	0
Deposit assets	$ 11,039	$ 7,481
Reinsurance risk charge fee	42	$ 39	$ 36
Raven Re (VT) | Intercompany Reinsurance Agreements | Affiliate
Effects of Reinsurance [Line Items]
Remaining borrowing capacity	175
F&G Cayman Re Ltd | Intercompany Reinsurance Agreements | Affiliate
Effects of Reinsurance [Line Items]
Remaining borrowing capacity	400
Corbeau Re (VT) | Affiliate
Effects of Reinsurance [Line Items]
Excess of loss agreement, maximum loss coverage	$ 1,500

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Excess Of Loss Agreement, Maximum Loss Coverage

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Number of Policies Reinsured by Foreign Company Not Engaged in Insurance

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Reinsurance Risk Charge Fee

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Carrying amount of assets as of the balance sheet date pertaining to amounts paid by the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
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-URI https://asc.fasb.org/1943274/2147483081/340-30-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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