Investments - Narrative (Details) $ in Millions |
Sep. 30, 2026
USD ($)
security
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Aug. 28, 2026
USD ($)
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Dec. 31, 2025
USD ($)
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|---|---|---|---|
| Schedule of Investments [Line Items] | |||
| Unfunded commitments to limited partnerships | $ 433 | $ 456 | |
| Percentage (based on amount of unrealized loss) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade | 98.00% | ||
| Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade | 98.00% | ||
| Mortgage Loan Received as Consideration for Sale of Real Estate | $ 75 | ||
| Multifamily | |||
| Schedule of Investments [Line Items] | |||
| Percent of real-estate related investments by property type | 88.00% | 87.00% | |
| Total fixed maturities | |||
| Schedule of Investments [Line Items] | |||
| Gross unrealized losses on fixed maturities | $ 508 | $ 193 | |
| Number of fixed maturity securities in an unrealized loss position | security | 1,550 |
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- Definition Mortgage loan received as consideration for sale of real estate, principal amount No definition available.
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- Definition Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade. No definition available.
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- Definition Percentage based on unrealized loss of available for sale fixed maturities that are in an unrealized loss position and rated investment grade. No definition available.
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- Definition Percent of real-estate related investments by property type No definition available.
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- Definition Represents commitments to fund credit facilities and contribute capital to certain limited partnership investments at a future date. No definition available.
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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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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