Investments (Invested Assets on Deposit, Held in Trust and Pledged as Collateral - Narrative) (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Statement [Line Items] | ||
| Funds Held under Reinsurance Agreements, Asset | $ 22,600 | $ 22,400 |
| Federal Home Loan Bank Stock | 702 | 700 |
| Assets Held-in-trust | 5,380 | 1,775 |
| Affiliated Entity | ||
| Statement [Line Items] | ||
| Assets Held-in-trust | 1,800 | 1,800 |
| Cash, cash equivalents and short-term investments (1) | ||
| Statement [Line Items] | ||
| Funds Held under Reinsurance Agreements, Asset | $ 469 | $ 1,200 |
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- Definition The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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