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Allstate ALL Auto — Prior years
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Where this comes from
Reported directly by Allstate in its filing.
Tagged under the XBRL concept us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense.
The source filing: Allstate’s 10-Q, filed August 5, 2026.
- Filed
- Aug 5, 2026, 4:17 PM EDT
- Fiscal quarter
- Q2 FY2026
- Calendar quarter
- Q2 2026
- Accession
- 0000899051-26-000118
| ($ in millions) / Three months ended June 30, | Excluding catastrophe losses / 2026 | Excluding catastrophe losses / 2025 | Catastrophe losses (2) / 2026 | Catastrophe losses (2) / 2025 | Total / 2026 | Total / 2025 |
|---|---|---|---|---|---|---|
| Auto | $(639) | $(415) | $(9) | $(16) | $(648) | $(431) |
| Homeowners | (28) | 12 | 66 | 18 | 38 | 30 |
| Specialty lines | (16) | 28 | (3) | 2 | (19) | 30 |
| Commercial lines | (8) | 7 | (3) | 2 | (11) | 9 |
| Brokered solutions and collateral protection | (1) | (10) | — | — | (1) | (10) |
| Run-off Property-Liability | — | 2 | — | — | — | 2 |
| Total prior year reserve reestimates | $(692) | $(376) | $51 | $6 | $(641) | $(370) |
| Six months ended June 30, |
Item 1. Financial Statements
FAQ
- What is Allstate's auto — prior years?
- Allstate (ALL) reported auto — prior years of -$648M in Q2 2026.
- How has Allstate's auto — prior years changed year-over-year?
- Allstate's auto — prior years decreased by 50.3% year-over-year, from -$431M to -$648M.
- What is the long-term trend for Allstate's auto — prior years?
- Over 4 years (2021 to 2025), Allstate's auto — prior years has grown at a 86.6% compound annual growth rate (CAGR), from $155M to -$1.88B.
- What does auto — prior years mean?
- This metric represents the net favorable or unfavorable development of loss reserves established for auto insurance claims occurring in previous accident years. It reflects the accuracy of initial actuarial estimates compared to the actual ultimate costs settled over time. Changes in this figure indicate whether the company previously over-reserved or under-reserved for claims liabilities.
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