CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Investments: | ||
| Fixed maturities, available for sale, allowance for credit losses | $ 41.5 | $ 36.0 |
| Fixed maturities, available for sale, amortized cost | 26,580.2 | 25,776.4 |
| Mortgage loans, allowance for credit losses | 17.0 | 20.9 |
| Investments held by variable interest entities, allowance for credit losses | 1.6 | 0.6 |
| Investments held by variable interest entities, amortized cost | 296.2 | 294.1 |
| Reinsurance receivables, allowance for current expected credit losses | $ 1.0 | $ 1.0 |
| Shareholders' equity: | ||
| Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized (in shares) | 8,000,000,000 | 8,000,000,000 |
| Common stock, shares issued (in shares) | 92,696,990 | 94,484,339 |
| Common stock, shares outstanding (in shares) | 92,696,990 | 94,484,339 |
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- Definition Investments Held By Variable Interest Entities, Allowance For Credit Loss No definition available.
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- Definition Investments Held By Variable Interest Entities, Amortized Cost No definition available.
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- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount excluding accrued interest, of allowance for credit loss 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 Amortized cost excluding accrued interest, after allowance for credit loss, of 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/2009/role/commonPracticeRef
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of allowance for credit loss on reinsurance recoverable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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