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F&G Reinsurance - Summary of Reinsurance Recoverable (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effects of Reinsurance [Line Items]
Allowance for expected credit loss	$ (20)	$ (21)	$ (10)
Reinsurance recoverable, net of allowance for credit losses	$ 13,380	8,977
Reinsurance, retrocession, quota share basis, percentage	90.00%
F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance for credit losses	$ 13,389	8,981
Allowance for expected credit loss	(20)	(21)
Reinsurance recoverable, net of allowance for credit losses	$ 13,369	8,960
Minimum
Effects of Reinsurance [Line Items]
Reinsurance, retrocession, quota share basis, percentage	30.00%
Maximum
Effects of Reinsurance [Line Items]
Reinsurance, retrocession, quota share basis, percentage	90.00%
Aspida Life Re Ltd | Certain MYGA | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance for credit losses	$ 7,844	6,128
Somerset | Certain MYGA and DA | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance for credit losses	2,822	716
Everlake | Certain MYGA | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance for credit losses	1,168	509
Wilton Reassurance Company | Block of traditional, IUL, and UL | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance for credit losses	1,066	1,092
Other | F&G
Effects of Reinsurance [Line Items]
Reinsurance recoverable, gross of allowance for credit losses	$ 489	$ 536

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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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