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Variable Interest Entities - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Variable Interest Entity [Line Items] |  |  |
Notional Amounts | $ 522 |  |
Net income (loss) | 3,275 | $ (752) | $ 1,358
Fixed maturity available-for-sale securities, at fair value | 87,111 | 88,738 |
Other investments | 6,588 | 5,015 |
Reinsurance-Related Notes, September 30 2014 | Senior notes |  |  |
Variable Interest Entity [Line Items] |  |  |
Carrying Value | 1,100 |  |
Lincoln Reinsurance Company of Vermont VI |  |  |
Variable Interest Entity [Line Items] |  |  |
Carrying Value | 0 |  |
Lincoln Reinsurance Company of Vermont VI | Senior notes |  |  |
Variable Interest Entity [Line Items] |  |  |
Carrying Value | 275 |  |
Reinsurance-Related Notes, Novemebr 1 2019 | Senior notes |  |  |
Variable Interest Entity [Line Items] |  |  |
Carrying Value | 410 |  |
Reinsurance-Related Notes, September 30 2021 | Senior notes |  |  |
Variable Interest Entity [Line Items] |  |  |
Carrying Value | 399 |  |
Reinsurance-Related Notes, December 31 2022 | Senior notes |  |  |
Variable Interest Entity [Line Items] |  |  |
Carrying Value | 1,500 |  |
Limited Partnerships and Limited Liability Companies |  |  |
Variable Interest Entity [Line Items] |  |  |
Other investments | 5,300 | 4,200 |
Variable Interest Entity, Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Notional Amounts | 522 | 544 |
Net income (loss) | 0 | $ 0 |
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, September 30 2014 |  |  |
Variable Interest Entity [Line Items] |  |  |
Fixed maturity available-for-sale securities, at fair value | 1,100 |  |
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, Novemebr 1 2019 |  |  |
Variable Interest Entity [Line Items] |  |  |
Fixed maturity available-for-sale securities, at fair value | 500 |  |
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, September 30 2021 |  |  |
Variable Interest Entity [Line Items] |  |  |
Fixed maturity available-for-sale securities, at fair value | 400 |  |
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, December 31 2022 |  |  |
Variable Interest Entity [Line Items] |  |  |
Fixed maturity available-for-sale securities, at fair value | $ 1,500 |  |

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