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v3.21.2

Reportable Segments - Revenue information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Reporting Information |  |  |  |
Net investment income | $ 764 | $ 464 | $ 2,446 | $ 930
Realized capital gains (losses) | 105 | 319 | 818 | 597
Consolidated revenues | 12,480 | 10,678 | 37,577 | 30,947
Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance premiums | 10,159 | 8,952 | 30,064 | 26,696
Net investment income | 710 | 422 | 2,314 | 802
Realized capital gains (losses) | 94 | 292 | 763 | 571
Consolidated revenues | 11,328 | 9,886 | 34,212 | 28,708
Property-Liability | Auto |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance premiums | 6,912 | 6,210 | 20,604 | 18,537
Property-Liability | Homeowners |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance premiums | 2,522 | 2,073 | 7,325 | 6,164
Property-Liability | Other personal lines |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance premiums | 521 | 486 | 1,545 | 1,435
Property-Liability | Commercial lines |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance premiums | 204 | 183 | 590 | 560
Allstate Protection |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance premiums | 10,159 | 8,952 | 30,064 | 26,696
Run-off Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Property and casualty insurance premiums | 0 | 0 | 0 | 0
Protection Services |  |  |  |
Segment Reporting Information |  |  |  |
Intersegment premiums and service fees | 46 | 36 | 133 | 109
Net investment income | 10 | 12 | 32 | 33
Realized capital gains (losses) | 4 | 14 | 20 | 9
Consolidated revenues | 601 | 498 | 1,750 | 1,404
Protection Services | Protection plans |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 295 | 236 | 834 | 661
Protection Services | Roadside assistance |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 50 | 48 | 144 | 143
Protection Services | Finance and insurance products |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 111 | 100 | 324 | 294
Allstate Health and Benefits |  |  |  |
Segment Reporting Information |  |  |  |
Net investment income | 18 | 18 | 56 | 58
Realized capital gains (losses) | (1) | 3 | 5 | 0
Consolidated revenues | 562 | 308 | 1,671 | 890
Allstate Health and Benefits | Employer voluntary benefits |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 251 | 287 | 769 | 832
Allstate Health and Benefits | Group health |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 90 | 0 | 260 | 0
Allstate Health and Benefits | Individual accident and health |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 119 | 0 | 333 | 0
Operating Segments | Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 365 | 220 | 1,071 | 639
Operating Segments | Protection Services |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 85 | 52 | 263 | 155
Operating Segments | Allstate Health and Benefits |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 85 | 0 | 248 | 0
Operating Segments | Corporate and Other |  |  |  |
Segment Reporting Information |  |  |  |
Insurance premiums, commissions and fees | 1 | 0 | 3 | 0
Net investment income | 26 | 12 | 44 | 37
Realized capital gains (losses) | 8 | 10 | 30 | 17
Consolidated revenues | 35 | 22 | 77 | 54
Intersegment Eliminations |  |  |  |
Segment Reporting Information |  |  |  |
Consolidated revenues | $ (46) | $ (36) | $ (133) | $ (109)

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