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Reportable Segments - Financial performance (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Segment Reporting Information |  |  |  |
Net investment income | $ 562 | $ 974 | $ 1,156 | $ 1,682
Net gains (losses) on investments and derivatives | (733) | 287 | (1,000) | 713
Pension and other postretirement remeasurement gains (losses) | (259) | 134 | (12) | 444
Income (loss) from discontinued operations | 0 | 493 | 0 | (3,670)
Income tax benefit (expense) from discontinued operations | 0 | (297) | 0 | 73
Total from discontinued operations | 0 | 196 | 0 | (3,597)
Less: Net income (loss) attributable to noncontrolling interest | (9) | 6 | (19) | 0
Net (loss) income applicable to common shareholders | (1,042) | 1,595 | (412) | 187
Segment Reconciling Items |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income | (189) | 970 | 156 | 1,701
Net investment income | 506 | 931 | 1,064 | 1,604
Net gains (losses) on investments and derivatives | (733) | 287 | (1,000) | 713
Pension and other postretirement remeasurement gains (losses) | (259) | 134 | (12) | 444
Business combination expenses and amortization of purchased intangibles | (28) | (34) | (57) | (90)
Business combination fair value adjustment | 0 | 6 | 0 | 6
Gain (loss) on disposition of operations | 27 | 0 | 11 | 0
Income tax benefit (expense) on reconciling items | 298 | (354) | 150 | (976)
Allstate Protection | Operating Segments |  |  |  |
Segment Reporting Information |  |  |  |
Underwriting income (loss) | (861) | 431 | (579) | 2,091
Run-off Property-Liability | Operating Segments |  |  |  |
Segment Reporting Information |  |  |  |
Underwriting income (loss) | (3) | (2) | (5) | (5)
Property-Liability |  |  |  |
Segment Reporting Information |  |  |  |
Net investment income | 506 | 931 | 1,064 | 1,604
Net gains (losses) on investments and derivatives | (662) | 265 | (865) | 669
Less: Net income (loss) attributable to noncontrolling interest | (10) | 6 | (20) | 0
Property-Liability | Operating Segments |  |  |  |
Segment Reporting Information |  |  |  |
Underwriting income (loss) | (864) | 429 | (584) | 2,086
Protection Services | Operating Segments |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income | 43 | 56 | 96 | 105
Allstate Health and Benefits |  |  |  |
Segment Reporting Information |  |  |  |
Net investment income | 16 | 19 | 33 | 38
Net gains (losses) on investments and derivatives | (12) | 4 | (19) | 6
Allstate Health and Benefits | Operating Segments |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income | 65 | 62 | 118 | 127
Corporate and Other | Operating Segments |  |  |  |
Segment Reporting Information |  |  |  |
Adjusted net income | (107) | (112) | (218) | (235)
Net investment income | 28 | 12 | 38 | 18
Net gains (losses) on investments and derivatives | $ (29) | $ 12 | $ (73) | $ 22

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