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v3.25.3

Reportable Segments - Schedule of Reportable Segments Revenue Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information |  |  |  |
Net investment income | $ 949 | $ 783 | $ 2,557 | $ 2,259
Net gains (losses) on investments and derivatives | 252 | 243 | (241) | (24)
Total revenues | 17,255 | 16,627 | 50,340 | 47,600
Operating segments | Property Liability |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 15,051 | 14,225 | 44,416 | 41,335
Other revenue | 518 | 531 | 1,510 | 1,402
Net investment income | 873 | 708 | 2,343 | 2,053
Net gains (losses) on investments and derivatives | 157 | 222 | (362) | (43)
Operating segments | Property Liability | Total Allstate Protection insurance premiums |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 14,533 | 13,694 | 42,906 | 39,933
Operating segments | Property Liability | Run-off Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 0 | 0 | 0 | 0
Operating segments | Property Liability | Auto | Total Allstate Protection insurance premiums |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 9,593 | 9,270 | 28,468 | 27,127
Operating segments | Property Liability | Homeowners | Total Allstate Protection insurance premiums |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 3,880 | 3,403 | 11,308 | 9,812
Operating segments | Property Liability | Other personal lines | Total Allstate Protection insurance premiums |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 800 | 718 | 2,320 | 2,078
Operating segments | Property Liability | Commercial lines | Total Allstate Protection insurance premiums |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 99 | 151 | 316 | 478
Operating segments | Property Liability | Other business lines | Total Allstate Protection insurance premiums |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 161 | 152 | 494 | 438
Operating segments | Protection Services |  |  |  |
Segment Reporting Information |  |  |  |
Intersegment premiums and service fees | 33 | 49 | 106 | 123
Other revenue | 124 | 110 | 363 | 293
Net investment income | 25 | 24 | 74 | 68
Net gains (losses) on investments and derivatives | 10 | 10 | 1 | 4
Total revenues | 912 | 832 | 2,630 | 2,352
Operating segments | Protection Services | Protection plans |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 552 | 480 | 1,593 | 1,372
Operating segments | Protection Services | Roadside assistance |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 42 | 34 | 117 | 115
Operating segments | Protection Services | Protection and insurance products |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 126 | 125 | 376 | 377
Operating segments | Allstate Health and Benefits |  |  |  |
Segment Reporting Information |  |  |  |
Other revenue | 0 | 81 | 163 | 245
Net investment income | 0 | 25 | 24 | 69
Net gains (losses) on investments and derivatives | 0 | (6) | (1) | (3)
Total revenues | 0 | 468 | 676 | 1,411
Operating segments | Allstate Health and Benefits | Employer voluntary benefits |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 0 | 248 | 243 | 742
Operating segments | Allstate Health and Benefits | Group health |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums | 0 | 120 | 247 | 358
Operating segments | Corporate |  |  |  |
Segment Reporting Information |  |  |  |
Other revenue | 24 | 17 | 62 | 56
Net investment income | 49 | 25 | 108 | 64
Net gains (losses) on investments and derivatives | 85 | 17 | 122 | 19
Total revenues | 158 | 59 | 292 | 139
All other |  |  |  |
Segment Reporting Information |  |  |  |
Net gains (losses) on investments and derivatives | 252 | 243 | (241) | (24)
Total revenues | 137 | 162 | 451 | 476
All other | Property Liability |  |  |  |
Segment Reporting Information |  |  |  |
Net investment income | 873 | 708 | 2,343 | 2,053
Intersegment eliminations |  |  |  |
Segment Reporting Information |  |  |  |
Total revenues | $ (33) | $ (49) | $ (106) | $ (123)

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