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Reportable Segments (Tables) | 6 Months Ended
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Jun. 30, 2021
Segment Reporting [Abstract] |
Schedule of business segments net income disclosures |
Reportable segments financial performance
|  | Three months ended June 30, |  | Six months ended June 30,
($ in millions) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Underwriting income (loss) by segment |  |  |  |  |  |  |  |
Allstate Protection |  | $ | 431 |  |  | $ | 905 |  |  | $ | 2,091 |  |  | $ | 2,256 |
Run-off Property-Liability |  | (2) |  |  | (3) |  |  | (5) |  |  | (6) |
Adjusted net income (loss) by segment, after-tax |  |  |  |  |  |  |  |
Protection Services |  | 56 |  |  | 38 |  |  | 105 |  |  | 75 |
Allstate Health and Benefits |  | 62 |  |  | 5 |  |  | 127 |  |  | 29 |
Corporate and Other |  | (112) |  |  | (99) |  |  | (235) |  |  | (206) |
Reconciling items |  |  |  |  |  |  |  |
Property-Liability net investment income |  | 931 |  |  | 178 |  |  | 1,604 |  |  | 380 |
Realized capital gains (losses) |  | 287 |  |  | 440 |  |  | 713 |  |  | 278 |
Pension and other postretirement remeasurement gains (losses) |  | 134 |  |  | (73) |  |  | 444 |  |  | (391) |
Business combination expenses and amortization of purchased intangibles (1) |  | (34) |  |  | (26) |  |  | (90) |  |  | (53) |
Business combination fair value adjustment |  | 6 |  |  | — |  |  | 6 |  |  | — |
Income tax expense on reconciling items |  | (354) |  |  | (285) |  |  | (976) |  |  | (481) |
Total reconciling items |  | 970 |  |  | 234 |  |  | 1,701 |  |  | (267) |
Income (loss) from discontinued operations |  | 493 |  |  | 167 |  |  | (3,670) |  |  | (203) |
Income tax (expense) benefit from discontinued operations |  | (297) |  |  | (23) |  |  | 73 |  |  | 59 |
Total from discontinued operations |  | $ | 196 |  |  | $ | 144 |  |  | $ | (3,597) |  |  | $ | (144) |
Less: Net income (loss) attributable to noncontrolling interest |  | 6 |  |  | — |  |  | — |  |  | — |
Net income applicable to common shareholders |  | $ | 1,595 |  |  | $ | 1,224 |  |  | $ | 187 |  |  | $ | 1,737 |
(1)Excludes amortization of purchased intangibles in Property-Liability, which is included above in underwriting income.
Schedule of business segments revenue disclosures |
Reportable segments revenue information |  |  |  |
($ in millions) |  | Three months ended June 30, |  | Six months ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Property-Liability |  |  |  |  |  |  |  |
Insurance premiums |  |  |  |  |  |  |  |
Auto |  | $ | 6,883 |  |  | $ | 6,172 |  |  | $ | 13,692 |  |  | $ | 12,327 |
Homeowners |  | 2,411 |  |  | 2,054 |  |  | 4,803 |  |  | 4,091 |
Other personal lines |  | 519 |  |  | 478 |  |  | 1,024 |  |  | 949 |
Commercial lines |  | 196 |  |  | 159 |  |  | 386 |  |  | 377 |
Allstate Protection |  | 10,009 |  |  | 8,863 |  |  | 19,905 |  |  | 17,744 |
Run-off Property-Liability |  | — |  |  | — |  |  | — |  |  | — |
Total Property-Liability insurance premiums |  | 10,009 |  |  | 8,863 |  |  | 19,905 |  |  | 17,744 |
Other revenue |  | 321 |  |  | 206 |  |  | 706 |  |  | 419 |
Net investment income |  | 931 |  |  | 178 |  |  | 1,604 |  |  | 380 |
Realized capital gains (losses) |  | 265 |  |  | 382 |  |  | 669 |  |  | 279 |
Total Property-Liability |  | 11,526 |  |  | 9,629 |  |  | 22,884 |  |  | 18,822 |
Protection Services |  |  |  |  |  |  |  |
Protection plans |  | 279 |  |  | 219 |  |  | 539 |  |  | 425 |
Roadside assistance |  | 47 |  |  | 44 |  |  | 94 |  |  | 95 |
Finance and insurance products |  | 109 |  |  | 97 |  |  | 213 |  |  | 194 |
Intersegment premiums and service fees (1) |  | 46 |  |  | 35 |  |  | 87 |  |  | 73 |
Other revenue |  | 88 |  |  | 51 |  |  | 178 |  |  | 103 |
Net investment income |  | 12 |  |  | 11 |  |  | 22 |  |  | 21 |
Realized capital gains (losses) |  | 6 |  |  | 19 |  |  | 16 |  |  | (5) |
Total Protection Services |  | 587 |  |  | 476 |  |  | 1,149 |  |  | 906 |
Allstate Health and Benefits |  |  |  |  |  |  |  |
Employer voluntary benefits |  | 255 |  |  | 263 |  |  | 518 |  |  | 545 |
Group health |  | 87 |  |  | — |  |  | 170 |  |  | — |
Individual accident and health |  | 105 |  |  | — |  |  | 214 |  |  | — |
Other revenue |  | 83 |  |  | — |  |  | 163 |  |  | — |
Net investment income |  | 19 |  |  | 20 |  |  | 38 |  |  | 40 |
Realized capital gains (losses) |  | 4 |  |  | 11 |  |  | 6 |  |  | (3) |
Total Allstate Health and Benefits |  | 553 |  |  | 294 |  |  | 1,109 |  |  | 582 |
Corporate and Other |  |  |  |  |  |  |  |
Other revenue |  | 2 |  |  | — |  |  | 2 |  |  | — |
Net investment income |  | 12 |  |  | 11 |  |  | 18 |  |  | 25 |
Realized capital gains (losses) |  | 12 |  |  | 28 |  |  | 22 |  |  | 7 |
Total Corporate and Other |  | 26 |  |  | 39 |  |  | 42 |  |  | 32 |
Intersegment eliminations (1) |  | (46) |  |  | (35) |  |  | (87) |  |  | (73) |
Consolidated revenues |  | $ | 12,646 |  |  | $ | 10,403 |  |  | $ | 25,097 |  |  | $ | 20,269 |
(1)Intersegment insurance premiums and service fees are primarily related to Arity and Allstate Roadside and are eliminated in the condensed consolidated financial statements.

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