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F&G Reinsurance - Schedule of Reinsurance Recoverable (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Effects of Reinsurance [Line Items]
Allowance for expected credit losses	$ (20)	$ (20)
Reinsurance recoverable, net of allowance for expected credit losses	$ 14,756	$ 13,380
Reinsurance, retrocession, quota share basis, percentage	90.00%	90.00%
F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance	$ 14,766	$ 13,389
Allowance for expected credit losses	(20)	(20)
Reinsurance recoverable, net of allowance for expected credit losses	14,746	13,369
Aspida Life Re Ltd. | Certain MYGA | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance	8,060	7,844
Somerset Reinsurance Ltd | Certain MYGA And Deferred Annuities | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance	3,316	2,822
Everlake | Certain MYGA | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance	1,830	1,168
Wilton Reassurance Company | Block of traditional, IUL and UL | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance	1,067	1,066
Other | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance	$ 493	$ 489

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Reinsurance, Retrocession, Quota Share Basis, Percentage

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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.

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Amount of allowance for credit loss on reinsurance recoverable.

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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.

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