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v3.21.1

Reportable Segments - Revenue information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Segment Reporting Information |  |
Net investment income | $ 708 | $ 246
Realized capital gains (losses) | 426 | (162)
Consolidated revenues | 12,451 | 9,866
Property-Liability |  |
Segment Reporting Information |  |
Property and casualty insurance premiums | 9,896 | 8,881
Net investment income | 673 | 202
Realized capital gains (losses) | 404 | (103)
Consolidated revenues | 11,358 | 9,193
Property-Liability | Auto |  |
Segment Reporting Information |  |
Property and casualty insurance premiums | 6,809 | 6,155
Property-Liability | Homeowners |  |
Segment Reporting Information |  |
Property and casualty insurance premiums | 2,392 | 2,037
Property-Liability | Other personal lines |  |
Segment Reporting Information |  |
Property and casualty insurance premiums | 505 | 471
Property-Liability | Commercial lines |  |
Segment Reporting Information |  |
Property and casualty insurance premiums | 190 | 218
Allstate Protection |  |
Segment Reporting Information |  |
Property and casualty insurance premiums | 9,896 | 8,881
Run-off Property-Liability |  |
Segment Reporting Information |  |
Property and casualty insurance premiums | 0 | 0
Protection Services |  |
Segment Reporting Information |  |
Intersegment premiums and service fees | 41 | 38
Net investment income | 10 | 10
Realized capital gains (losses) | 10 | (24)
Consolidated revenues | 562 | 430
Protection Services | Protection plans |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 260 | 206
Protection Services | Roadside assistance |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 47 | 51
Protection Services | Finance and insurance products |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 104 | 97
Allstate Health and Benefits |  |
Segment Reporting Information |  |
Net investment income | 19 | 20
Realized capital gains (losses) | 2 | (14)
Consolidated revenues | 556 | 288
Allstate Health and Benefits | Employer voluntary benefits |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 263 | 282
Allstate Health and Benefits | Group health |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 83 | 0
Allstate Health and Benefits | Individual accident and health |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 109 | 0
Operating Segments | Property-Liability |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 385 | 213
Operating Segments | Protection Services |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 90 | 52
Operating Segments | Allstate Health and Benefits |  |
Segment Reporting Information |  |
Insurance premiums, commissions and fees | 80 | 0
Operating Segments | Corporate and Other |  |
Segment Reporting Information |  |
Net investment income | 6 | 14
Realized capital gains (losses) | 10 | (21)
Consolidated revenues | 16 | (7)
Intersegment Eliminations |  |
Segment Reporting Information |  |
Consolidated revenues | $ (41) | $ (38)

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- Definition Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(c),(d)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.4) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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