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F&G Insurance Subsidiary Financial Information and Regulatory Matters - Schedule of Statutory Accounting Practices Disclosure (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
IOWA
Statutory Accounting Practices
Statutory Capital and Surplus:	$ 1,313		$ 1,313		$ 1,654
IOWA | F&G
Statutory Accounting Practices
Statutory Net income (loss):	(76)	$ 77	(203)	$ 77
New York
Statutory Accounting Practices
Statutory Capital and Surplus:	100		100		97
New York | F&G
Statutory Accounting Practices
Statutory Net income (loss):	2	4	6	6
Vermont | Raven Re (VT)
Statutory Accounting Practices
Statutory Capital and Surplus:	163		163		168
Vermont | Raven Re (VT) | F&G
Statutory Accounting Practices
Statutory Net income (loss):	10	13	20	28
Vermont | Corbeau Re (VT)
Statutory Accounting Practices
Statutory Capital and Surplus:	204		204		178
Vermont | Corbeau Re (VT) | F&G
Statutory Accounting Practices
Statutory Net income (loss):	(46)	(265)	(98)	(399)
Cayman Islands
Statutory Accounting Practices
Statutory Net income (loss):	4	1	19	(16)
Statutory Capital and Surplus:	1,042		1,042		734
Bermuda
Statutory Accounting Practices
Statutory Net income (loss):	15	$ 30	49	$ 79
Statutory Capital and Surplus:	$ 172		$ 172		$ 123

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-5

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-3

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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