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Reportable Segments - Schedule of Reportable Segments Expense Information Used in Measure for Segment Profit or Loss (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Segment Reporting Information |  |  |  |
Prior year reserve reestimates | $ (370) | $ (203) | $ (621) | $ (354)
Accident, health and other policy benefits | 188 | 291 | 521 | 587
Amortization of DAC | 2,076 | 2,001 | 4,163 | 3,940
Amortization of purchased intangibles | 57 | 70 | 116 | 139
Interest expense | 100 | 98 | 200 | 195
Restructuring and related charges | 15 | 13 | 31 | 23
Income taxes on operations | 604 | 83 | 727 | 349
Preferred stock dividends | 30 | 30 | 59 | 59
Non-catastrophe losses |  |  |  |
Segment Reporting Information |  |  |  |
Prior year reserve reestimates | (376) | (65) | (611) | (54)
Catastrophe |  |  |  |
Segment Reporting Information |  |  |  |
Prior year reserve reestimates | 6 | (138) | (10) | (300)
Loss adjustment expenses, net of reinsurance |  |  | 4,190 | 2,850
Operating segments | Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Total | 13,570 | 13,925 | 27,725 | 26,357
Loss adjustment expenses, net of reinsurance | 751 | 713 | 1,490 | 1,410
Operating segments | Property-Liability | Allstate Protection |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance claims and claims expense | 8,470 | 8,593 | 17,163 | 17,200
Amortization of DAC | 1,742 | 1,673 | 3,474 | 3,281
Advertising expense | 442 | 402 | 965 | 685
Amortization of purchased intangibles | 46 | 51 | 92 | 102
Restructuring and related charges | 13 | 15 | 29 | 22
Other segment expenses | 1,242 | 1,134 | 2,419 | 2,267
Total | 13,567 | 13,922 | 27,718 | 26,349
Operating segments | Property-Liability | Allstate Protection | Non-catastrophe losses |  |  |  |
Segment Reporting Information |  |  |  |
Prior year reserve reestimates | (378) | (66) | (616) | (59)
Operating segments | Property-Liability | Allstate Protection | Catastrophe |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance claims and claims expense | 1,990 | 2,120 | 4,192 | 2,851
Operating segments | Property-Liability | Run-off Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance claims and claims expense | 2 | 2 | 5 | 6
Other segment expenses | 1 | 1 | 2 | 2
Total | 3 | 3 | 7 | 8
Operating segments | Protection Services |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance claims and claims expense | 170 | 157 | 331 | 315
Amortization of DAC | 328 | 296 | 646 | 585
Restructuring and related charges | 1 | 0 | 1 | 1
Other segment expenses | 290 | 246 | 599 | 480
Income taxes on operations | 18 | 19 | 35 | 36
Total | 807 | 718 | 1,612 | 1,417
Operating segments | Allstate Health and Benefits |  |  |  |
Segment Reporting Information |  |  |  |
Accident, health and other policy benefits | 188 | 291 | 521 | 587
Amortization of DAC | 6 | 32 | 43 | 74
Restructuring and related charges | 1 | 0 | 1 | 1
Other segment expenses | 149 | 224 | 383 | 449
Income taxes on operations | 1 | 15 | 10 | 30
Total | 345 | 562 | 958 | 1,141
Operating segments | Corporate and Other |  |  |  |
Segment Reporting Information |  |  |  |
Interest expense | 100 | 98 | 200 | 195
Restructuring and related charges | 0 | (2) | 0 | (1)
Other segment expenses | 45 | 47 | 77 | 89
Income taxes on operations | (21) | (29) | (48) | (54)
Preferred stock dividends | 30 | 30 | 59 | 59
Total | $ 154 | $ 144 | $ 288 | $ 288

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