Fair Value of Financial Instruments (Company's Assets And Liabilities Measured At Fair Value On Recurring Basis) (Parenthetical) (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Exchange-traded bond fund | $ 10 | $ 10 | |
| Corporate Obligations [Member] | Loans Carried at Fair Value [Member] | |||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Loans receivable at fair value | $ 18 | $ 17 | $ 14 |
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- Definition Exchange-traded bond fund. No definition available.
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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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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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