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F&G Reinsurance - Schedule of Reinsurance Recoverable (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Effects of Reinsurance [Line Items] |  |
Allowance for expected credit losses | $ (18) | $ (20)
Reinsurance recoverable, net of allowance for expected credit losses | 16,848 | 13,380
F&G |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance recoverable, gross of allowance | 16,861 | 13,389
Allowance for expected credit losses | (18) | (20)
Reinsurance recoverable, net of allowance for expected credit losses | 16,843 | 13,369
Aspida Life Re Ltd. | Certain MYGA | F&G |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance recoverable, gross of allowance | 8,649 | 7,844
Somerset Reinsurance Ltd | Certain MYGA and deferred annuities | F&G |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance recoverable, gross of allowance | 4,503 | 2,822
Everlake | Certain MYGA | F&G |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance recoverable, gross of allowance | 1,857 | 1,168
Wilton Reassurance Company | Block of traditional, IUL and UL | F&G |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance recoverable, gross of allowance | 1,039 | 1,066
Other | F&G |  |
Effects of Reinsurance [Line Items] |  |
Reinsurance recoverable, gross of allowance | $ 813 | $ 489

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