Future policy benefits and related reinsurance recoverable - Schedule of Weighted-Average Interest Rate For Future Policy Benefits (Details) - Long term care reinsurance |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Liability for Future Policy Benefit, Activity [Line Items] | ||
| Weighted-average duration of liability (years) at current rate | 10 years 1 month 6 days | 10 years 3 months 7 days |
| Weighted-average duration of liability (years) at original rate | 11 years 11 months 4 days | 12 years 5 months 8 days |
| Weighted-average interest rate at current rate | 5.04% | 5.26% |
| Weighted-average interest rate at original rate | 3.13% | 3.05% |
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- Definition Additional Liability, Long-Duration Insurance, Weighted Average Duration At Original Rate No definition available.
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- Definition Weighted-average duration of present value of total expected payment to policyholder in excess of present value of total expected assessment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes benefit classified as market risk benefit or under provisions of Topic 815 on derivative and hedging. 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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- Definition Current weighted-average discount rate used to measure liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Original weighted-average discount rate at contract issue date used to measure liability for future policy benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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