Investments - Narrative (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
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| Debt Securities, Available-for-Sale [Line Items] | ||
| Short-term investments | $ 5,779 | $ 4,887 |
| Receivable for securities sold | 3,750 | 133 |
| Payable for securities purchased | 4,241 | 49 |
| Accrued investment income | 722 | 708 |
| Fixed income securities | ||
| Debt Securities, Available-for-Sale [Line Items] | ||
| Accrued investment income | $ 681 | $ 662 |
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- Definition Payable for Securities Purchased No definition available.
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- Definition Receivables, Securities Sold No definition available.
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- Definition Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of short-term investments classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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/2003/role/disclosureRef
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- Details
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