XML 96 R49.htm IDEA: XBRL DOCUMENT
v3.25.4

Reinsurance and Indemnification (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2025
Reinsurance Disclosures [Abstract] |
Schedule of Effects of Reinsurance and Indemnification on Property and Casualty Premiums Written and Earned and Accident and Health Insurance Premiums and Contract Charges |
Effects of reinsurance and indemnification on property and casualty premiums written and earned and accident and health insurance premiums and contract charges
|  | For the years ended December 31,
($ in millions) |  | 2025 |  | 2024 |  | 2023
Property and casualty insurance premiums written |  |  |  |  |  |
Direct |  | $ | 64,596 |  |  | $ | 60,574 |  |  | $ | 54,632 |
Assumed |  | 385 |  |  | 352 |  |  | 396 |
Ceded |  | (2,429) |  |  | (2,203) |  |  | (2,018) |
Property and casualty insurance premiums written, net of recoverables |  | $ | 62,552 |  |  | $ | 58,723 |  |  | $ | 53,010 |
Property and casualty insurance premiums earned |  |  |  |  |  |
Direct |  | $ | 62,511 |  |  | $ | 58,221 |  |  | $ | 52,301 |
Assumed |  | 389 |  |  | 377 |  |  | 358 |
Ceded |  | (2,397) |  |  | (2,210) |  |  | (1,989) |
Property and casualty insurance premiums earned, net of recoverables |  | $ | 60,503 |  |  | $ | 56,388 |  |  | $ | 50,670 |
Accident and health insurance premiums and contract charges |  |  |  |  |  |
Direct |  | $ | 1,188 |  |  | $ | 1,945 |  |  | $ | 1,865 |
Assumed |  | 42 |  |  | 26 |  |  | 28 |
Ceded |  | (284) |  |  | (50) |  |  | (47) |
Accident and health insurance premiums and contract charges, net of recoverables (1) |  | $ | 946 |  |  | $ | 1,921 |  |  | $ | 1,846 |
Schedule of Effects of Reinsurance Ceded and Indemnification Programs on Property and Casualty Insurance Claims and Claims Expense and Accident, Health and Other Policy Benefits |
Effects of reinsurance ceded and indemnification programs on property and casualty insurance claims and claims expense and accident, health and other policy benefits
($ in millions) |  | For the years ended December 31,
| 2025 |  | 2024 |  | 2023
Property and casualty insurance claims and claims expense (2) |  | $ | (1,348) |  |  | $ | (1,716) |  |  | $ | (633) |
Accident, health and other policy benefits (1) |  | (254) |  |  | (36) |  |  | (44) |
(1)Includes group health business sold through reinsurance to Nationwide Life Insurance Company. (2)2025 includes ceded losses to the Nationwide Reinsurance Program for the California wildfires.
Schedule of Reinsurance and Indemnification Recoverables, Net |
Reinsurance and indemnification recoverables, net
|  | As of December 31,
($ in millions) |  | 2025 |  | 2024
Property and casualty |  |  |  |
Paid and due from reinsurers and indemnitors |  | $ | 267 |  |  | $ | 285 |
Unpaid losses estimated (including IBNR) |  | 8,012 |  |  | 8,602 |
Total property and casualty |  | $ | 8,279 |  |  | $ | 8,887 |
Accident and health insurance |  | 222 |  |  | 37 |
Total |  | $ | 8,501 |  |  | $ | 8,924 |
Schedule of Rollforward of Credit Loss Allowance for Reinsurance Recoverables |
Rollforward of credit loss allowance for reinsurance recoverables
|  | For the years ended December 31,
($ in millions) |  | 2025 |  | 2024 |  |  |  |
Property and casualty (1) (2) |  |  |  |  |  |  |  |
Beginning balance |  | $ | (63) |  |  | $ | (62) |  |  |  |  |
Increase in the provision for credit losses |  | (1) |  |  | (1) |  |  |  |  |
Write-offs |  | 10 |  |  | — |  |  |  |  |
Ending balance |  | $ | (54) |  |  | $ | (63) |  |  |  |  |
(1)Primarily related to Run-off Property-Liability reinsurance ceded. (2)Indemnification recoverables are considered collectible based on the industry pool and facility enabling legislation.

X
- Definition Schedule of the effects of reinsurance on premiums written, premiums earned and contract charges, including amounts written and earned directly by the insurer, amounts assumed from other insurers, and amounts ceded to other insurers. + References No definition available. + Details
Name: | all_ScheduleOfEffectsOfReinsurancePremiumsForInsuranceCompaniesTableTextBlock
Namespace Prefix: | all_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Reinsurance Claims Benefits Ceded + References No definition available. + Details
Name: | all_ScheduleOfReinsuranceClaimsBenefitsCededTableTextBlock
Namespace Prefix: | all_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Reinsurance Recoverable For Paid And Unpaid Claims And Claims Adjustments + References No definition available. + Details
Name: | all_ScheduleOfReinsuranceRecoverableForPaidAndUnpaidClaimsAndClaimsAdjustmentsTableTextBlock
Namespace Prefix: | all_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReinsuranceDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for credit loss on reinsurance recoverable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_ReinsuranceRecoverableAllowanceForCreditLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration