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v3.25.3

Reportable Segments - Schedule of Reportable Segments Financial Performance (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 |  |  |  |
Allstate Protection and Run-off Property-Liability net investment income | $ 949 | $ 783 | $ 2,557 | $ 2,259
Net gains (losses) on investments and derivatives | 252 | 243 | (241) | (24)
Pension and other postretirement remeasurement gains (losses) | 108 | (26) | 30 | (15)
Amortization of purchased intangibles | (59) | (71) | (175) | (210)
Gain on disposition | 720 | 0 | 1,610 | 0
Less: Net loss attributable to noncontrolling interest | (2) | (26) | (11) | (30)
Net income applicable to common shareholders, basic | 3,717 | 1,161 | 6,362 | 2,651
Net income applicable to common shareholders, diluted | 3,717 | 1,161 | 6,362 | 2,651
Operating segments |  |  |  |
Segment Reporting Information |  |  |  |
Amortization of purchased intangibles | (59) | (71) | (175) | (210)
All other |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income (loss) by segment, after-tax | 863 | 661 | 1,892 | 1,394
Net gains (losses) on investments and derivatives | 252 | 243 | (241) | (24)
Pension and other postretirement remeasurement gains (losses) | 108 | (26) | 30 | (15)
Amortization of purchased intangibles | (13) | (19) | (37) | (56)
Gain on disposition | 723 | 1 | 1,616 | 6
All other | (7) | 5 | (16) | 18
Income tax (expense) benefit on Allstate Protection and Run-off Property-Liability and reconciling items | (1,073) | (251) | (1,803) | (588)
Allstate Protection |  |  |  |
Segment Reporting Information |  |  |  |
Less: Net loss attributable to noncontrolling interest | (1) | (25) | (10) | (29)
Allstate Protection | Operating segments |  |  |  |
Segment Reporting Information |  |  |  |
Allstate Protection and Run-off Property-Liability net investment income | 873 | 708 | 2,343 | 2,053
Net gains (losses) on investments and derivatives | 157 | 222 | (362) | (43)
Allstate Protection | Operating segments | Allstate Protection |  |  |  |
Segment Reporting Information |  |  |  |
Underwriting income (loss) by segment | 3,040 | 555 | 4,687 | 1,316
Amortization of purchased intangibles | (46) | (52) | (138) | (154)
Allstate Protection | Operating segments | Run-off Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Underwriting income (loss) by segment | (146) | (60) | (153) | (68)
Allstate Protection | All other |  |  |  |
Segment Reporting Information |  |  |  |
Allstate Protection and Run-off Property-Liability net investment income | 873 | 708 | 2,343 | 2,053
Protection Services | Operating segments |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income (loss) by segment, after-tax | 46 | 58 | 161 | 167
Allstate Protection and Run-off Property-Liability net investment income | 25 | 24 | 74 | 68
Net gains (losses) on investments and derivatives | 10 | 10 | 1 | 4
Amortization of purchased intangibles | (10) | (12) | (28) | (36)
Allstate Health and Benefits | Operating segments |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income (loss) by segment, after-tax | 0 | 32 | 43 | 133
Allstate Protection and Run-off Property-Liability net investment income | 0 | 25 | 24 | 69
Net gains (losses) on investments and derivatives | 0 | (6) | (1) | (3)
Amortization of purchased intangibles | 0 | (3) | (1) | (9)
Corporate | Operating segments |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income (loss) by segment, after-tax | (87) | (110) | (278) | (320)
Allstate Protection and Run-off Property-Liability net investment income | 49 | 25 | 108 | 64
Net gains (losses) on investments and derivatives | $ 85 | $ 17 | $ 122 | $ 19

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