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F&G Insurance Subsidiary Financial Information and Regulatory Matters - Narrative (Details)	3 Months Ended
	Mar. 31, 2025 USD ($) permitted_practice entity	Dec. 31, 2024 USD ($)
Statutory Accounting Practices [Line Items]
Number of permitted practices | permitted_practice	2
Number Of Entities, Statutory Accounting Practices, Without Approved Permitted Practice | entity	2
Vermont
Statutory Accounting Practices [Line Items]
Carrying value without permitted practices	$ 0
Vermont | Raven Re (VT)
Statutory Accounting Practices [Line Items]
Permitted practice, statutory surplus	(72,000,000)	$ (64,000,000)
IOWA
Statutory Accounting Practices [Line Items]
Change in statutory capital surplus increase (decrease)	$ 286,000,000	$ 454,000,000

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: 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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