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v3.23.3

General - Schedule of Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Net loss | $ (4) | $ (674) | $ (1,700) | $ (1,046)
Changes in: |  |  |  |
Unrealized net capital gains and losses | (667) | (789) | (257) | (3,527)
Discount rate for reserve for future policy benefits | 30 | 52 | 29 | 232
Other comprehensive loss, after-tax | (656) | (833) | (178) | (3,468)
Comprehensive loss | (660) | (1,507) | (1,878) | (4,514)
Comprehensive loss attributable to Allstate | $ (659) | (1,486) | $ (1,857) | (4,454)
As reported |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Net loss |  | (683) |  | (1,061)
Changes in: |  |  |  |
Unrealized net capital gains and losses |  | (789) |  | (3,525)
Discount rate for reserve for future policy benefits |  | 0 |  | 0
Other comprehensive loss, after-tax |  | (885) |  | (3,698)
Comprehensive loss |  | (1,568) |  | (4,759)
Comprehensive loss attributable to Allstate |  | (1,547) |  | (4,699)
Impact of change |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Net loss |  | 9 |  | 15
Changes in: |  |  |  |
Unrealized net capital gains and losses |  | 0 |  | (2)
Discount rate for reserve for future policy benefits |  | 52 |  | 232
Other comprehensive loss, after-tax |  | 52 |  | 230
Comprehensive loss |  | 61 |  | 245
Comprehensive loss attributable to Allstate |  | $ 61 |  | $ 245

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