F&G Reinsurance - Schedule of Effect of Reinsurance on Premiums Earned, Benefits Incurred and Reserve Changes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Net Benefits Incurred
Net	$ 78	$ 66	$ 140	$ 120
Traditional Life Insurance Premiums
Net Premiums Earned
Direct	253	462	606	805
Ceded	(19)	(21)	(39)	(43)
Net	234	441	567	762
Net Product Fees
Direct	189	180	359	359
Ceded	(29)	(12)	(53)	(24)
Net	160	168	306	335
Net Benefits Incurred
Direct	1,225	1,057	1,759	1,634
Ceded	(76)	(64)	(126)	(117)
Net	$ 1,149	$ 993	$ 1,633	$ 1,517

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