F&G Reinsurance - Credit Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Balance at Beginning of Period	$ 10	$ 20
Changes in the expected credit loss reserve	1	0
Balance at Ending of Period	$ 9	$ 20