F&G Reinsurance - Effect of Reinsurance on Premiums Earned, Benefits Incurred and Reserve Changes (Details) - Traditional Life Insurance Premiums - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Premiums and other considerations:
Direct	$ 510	$ 39	$ 811	$ 606
Ceded	(27)	(35)	(53)	(67)
Net	483	4	758	539
Benefits and Other Changes in Insurance Policy Reserves:
Direct	862	204	1,734	709
Ceded	(45)	(581)	(105)	(883)
Net	$ 817	$ (377)	$ 1,629	$ (174)

Amount of earned premiums ceded to other entities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 235
-Name Accounting Standards Codification
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Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

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Amount, before effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of reduction of provision for policy benefits and costs incurred for policies ceded.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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