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v3.25.1

Investments (Fixed Maturity Securities Pledged And Received As Collateral) (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Available for Sale at Fair value - Amortized cost | $ 89,709 |  | $ 82,907 |
Fixed maturity securities, available-for-sale | 84,507 | [1] | 77,617 | [2]
Collateral Fixed Maturity Securities [Member] |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Available for Sale at Fair value - Amortized cost | 1,307 |  | 1,200 |
Fixed maturity securities, available-for-sale | 1,095 |  | 1,046 |
Collateral Received Fixed Maturity Securities [Member] |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Fixed maturity securities, available-for-sale | 2,319 |  | 2,233 |
Reported Value Measurement [Member] |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Assets Held-in-trust | 54,053 |  | 47,162 |
Estimate of Fair Value Measurement [Member] |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Assets Held-in-trust | 51,343 |  | 44,473 |
Deposits |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Available for Sale at Fair value - Amortized cost | 10 |  | 10 |
Fixed maturity securities, available-for-sale | 9 |  | 8 |
Federal Home Loan Bank Certificates and Obligations (FHLB) |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Available for Sale at Fair value - Amortized cost | 71 |  | 71 |
Fixed maturity securities, available-for-sale | $ 71 |  | $ 71 |
[1] | Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of March 31, 2025, the fair value of such investments was $963 million.
[2] | Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of December 31, 2024, the fair value of such investments was $966 million

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