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F&G Insurance Subsidiary Financial Information and Regulatory Matters - Statutory Accounting Practices Disclosure (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Corbeau Re
Statutory Accounting Practices [Line Items]
Statutory capital surplus (deficit)	$ 156
IOWA
Statutory Accounting Practices [Line Items]
Statutory capital surplus (deficit)	1,940		$ 2,009
IOWA | F&G
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	0	$ (3)
New York
Statutory Accounting Practices [Line Items]
Statutory capital surplus (deficit)	89		86
New York | F&G
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	2	1
Vermont | Raven Reinsurance Company
Statutory Accounting Practices [Line Items]
Statutory capital surplus (deficit)	155		140
Vermont | Raven Reinsurance Company | F&G
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	15	14
Vermont | Corbeau Re
Statutory Accounting Practices [Line Items]
Statutory capital surplus (deficit)			171
Vermont | Corbeau Re | F&G
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	(134)	0
Cayman Islands
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	(31)	35
Statutory capital surplus (deficit)	143		114
Bermuda
Statutory Accounting Practices [Line Items]
Statutory net income (loss)	49	$ 68
Statutory capital surplus (deficit)	$ 61		$ 11

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- Definition

Statutory Accounting Practices, Statutory Capital And Surplus (Deficit), Balance

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- Definition

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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//1943274/2147479440/944-210-S99-1

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