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v3.25.4

Reportable Segments - Schedule of Reportable Segments Revenue Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2025 | Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | $ 61,449 | $ 58,309 | $ 52,516
Net investment income |  |  |  |  |  |  |  |  | 3,449 | 3,092 | 2,478
Net gains (losses) on investments and derivatives |  |  |  |  |  |  |  |  | (168) | (225) | (300)
Total revenues | $ 17,345 | $ 17,255 | $ 16,633 | $ 16,452 | $ 16,506 | $ 16,627 | $ 15,714 | $ 15,259 | 67,685 | 64,106 | 57,094
Operating segments | Allstate Protection and Run-off Property-Liability net investment income |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 2,051 | 1,895 | 1,545
Net investment income |  |  |  |  |  |  |  |  | 3,157 | 2,810 | 2,218
Net gains (losses) on investments and derivatives |  |  |  |  |  |  |  |  | (237) | (228) | (292)
Total revenues |  |  |  |  |  |  |  |  | 59,733 | 55,761 | 49,972
Operating segments | Allstate Protection and Run-off Property-Liability net investment income | Run-off Property-Liability |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating segments | Allstate Protection and Run-off Property-Liability net investment income | Total Allstate Protection insurance premiums |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | 57,682 | 53,866 | 48,427
Operating segments | Allstate Protection and Run-off Property-Liability net investment income | Auto | Total Allstate Protection insurance premiums |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | 38,090 | 36,475 | 32,940
Operating segments | Allstate Protection and Run-off Property-Liability net investment income | Homeowners | Total Allstate Protection insurance premiums |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | 15,363 | 13,360 | 11,739
Operating segments | Allstate Protection and Run-off Property-Liability net investment income | Other personal lines | Total Allstate Protection insurance premiums |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | 3,134 | 2,823 | 2,387
Operating segments | Allstate Protection and Run-off Property-Liability net investment income | Commercial lines | Total Allstate Protection insurance premiums |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | 419 | 609 | 811
Operating segments | Allstate Protection and Run-off Property-Liability net investment income | Other business lines | Total Allstate Protection insurance premiums |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |  | 676 | 599 | 550
Operating segments | Protection Services |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Intersegment premiums and service fees |  |  |  |  |  |  |  |  | 137 | 180 | 138
Other revenue |  |  |  |  |  |  |  |  | 489 | 441 | 319
Net investment income |  |  |  |  |  |  |  |  | 99 | 94 | 73
Net gains (losses) on investments and derivatives |  |  |  |  |  |  |  |  | 4 | (14) | 0
Total revenues |  |  |  |  |  |  |  |  | 3,550 | 3,223 | 2,773
Operating segments | Protection Services | Protection plans |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 2,159 | 1,869 | 1,540
Operating segments | Protection Services | Roadside assistance |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 160 | 150 | 195
Operating segments | Protection Services | Protection and insurance products |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 502 | 503 | 508
Operating segments | Allstate Health and Benefits |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 163 | 327 | 296
Net investment income |  |  |  |  |  |  |  |  | 24 | 94 | 78
Net gains (losses) on investments and derivatives |  |  |  |  |  |  |  |  | (1) | (4) | 5
Total revenues |  |  |  |  |  |  |  |  | 676 | 1,883 | 1,820
Operating segments | Allstate Health and Benefits | Employer voluntary benefits |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 243 | 985 | 1,001
Operating segments | Allstate Health and Benefits | Group health |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 247 | 481 | 440
Operating segments | Corporate |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Other revenue |  |  |  |  |  |  |  |  | 81 | 72 | 89
Net investment income |  |  |  |  |  |  |  |  | 160 | 88 | 105
Net gains (losses) on investments and derivatives |  |  |  |  |  |  |  |  | 67 | 22 | (11)
Total revenues |  |  |  |  |  |  |  |  | 308 | 182 | 183
All other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net gains (losses) on investments and derivatives |  |  |  |  |  |  |  |  | (168) | (225) | (300)
Total revenues |  |  |  |  |  |  |  |  | 635 | 655 | 558
All other | Allstate Protection and Run-off Property-Liability net investment income |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Net investment income |  |  |  |  |  |  |  |  | 3,157 | 2,810 | 2,218
Intersegment eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | $ (137) | $ (180) | $ (138)

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