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F&G Reinsurance - Narrative (Details) - USD ($)			7 Months Ended	9 Months Ended	12 Months Ended
	Oct. 31, 2021	Jan. 15, 2021	Dec. 31, 2020	Sep. 30, 2021	Dec. 31, 2021	Jun. 01, 2020
Ceded Credit Risk [Line Items]
Expected credit losses on reinsurance recoverable			$ (21,000,000)		$ (20,000,000)	$ 0
Expected credit loss on reinsurance recoverable, increase (decrease)			21,000,000		(1,000,000)
Statutory capital and surplus			1,699,000,000		1,903,000,000
Aspida Re
Ceded Credit Risk [Line Items]
Funds withheld co-insurance basis, percentage		50.00%
Net amount recoverable					873,000,000
Hannover Re | Fixed indexed annuities
Ceded Credit Risk [Line Items]
Reinsurance risk charge fee			12,000,000		21,000,000
Kubera
Ceded Credit Risk [Line Items]
Reinsurance retention policy, amount retained	$ 1,000,000,000
Note funding, maximum	300,000,000
Kubera | Fixed indexed annuities
Ceded Credit Risk [Line Items]
Reinsurance risk charge fee			4,000,000		5,000,000
Reinsurance retention policy, amount retained	$ 10,000,000,000			$ 4,000,000,000
Canada Life Assurance Company, US
Ceded Credit Risk [Line Items]
Reinsurance risk charge fee			1,000,000		2,000,000
Wilton Reassurance Company
Ceded Credit Risk [Line Items]
Net amount recoverable					1,269,000,000
Somerset
Ceded Credit Risk [Line Items]
Net amount recoverable					780,000,000
Raven Re
Ceded Credit Risk [Line Items]
Remaining borrowing capacity					85,000,000
Statutory capital and surplus			$ 29,000,000		$ 62,000,000

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The net amount (to the extent disclosed within this portion of the income statement) by which an insurance settlement exceeds incremental costs incurred from the event causing an interruption of business, plus the insurance award for earnings lost from the event, such as a natural catastrophe, explosion or fire.

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