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Earnings per Common Share - Computation earnings per common share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Numerator: |  |  |  |
Net (loss) income from continuing operations | $ (683) | $ 206 | $ (1,061) | $ 4,047
Less: Net loss attributable to noncontrolling interest | (15) | (7) | (34) | (7)
Net (loss) income from continuing operations attributable to Allstate | (668) | 213 | (1,027) | 4,054
Less: Preferred stock dividends | 26 | 30 | 79 | 87
Net (loss) income from continuing operations applicable to common shareholders | (694) | 183 | (1,106) | 3,967
Income (loss) from discontinued operations, net of tax | 0 | 325 | 0 | (3,272)
Net (loss) income applicable to common shareholders | $ (694) | $ 508 | $ (1,106) | $ 695
Denominator: |  |  |  |
Weighted average common shares outstanding (in shares) | 268.7 | 293.1 | 273.5 | 298.1
Effect of dilutive potential common shares |  |  |  |
Stock options (in shares) | 0.0 | 3.1 | 0.0 | 2.9
Restricted stock units (non-participating) and performance stock awards (in shares) | 0.0 | 1.7 | 0.0 | 1.6
Weighted average common and dilutive potential common shares outstanding (in shares) | 268.7 | 297.9 | 273.5 | 302.6
Basic |  |  |  |
Continuing operations (in dollars per share) | $ (2.58) | $ 0.62 | $ (4.04) | $ 13.31
Discontinued operations (in dollars per share) | 0 | 1.11 | 0 | (10.98)
Earnings per common share applicable to common shareholders - Basic (in dollars per share) | (2.58) | 1.73 | (4.04) | 2.33
Diluted |  |  |  |
Continuing operations (in dollars per share) | (2.58) | 0.62 | (4.04) | 13.11
Discontinued operations (in dollars per share) | 0 | 1.09 | 0 | (10.81)
Earnings per common share applicable to common shareholders - Diluted (in dollars per share) | $ (2.58) | $ 1.71 | $ (4.04) | $ 2.30
Anti-dilutive options excluded from diluted earnings per common share (in shares) | 2.4 | 0.6 | 1.6 | 1.3
Weighted average dilutive potential common shares excluded due to net loss applicable to common shareholders (in shares) | 2.9 | 0.0 | 3.3 | 0.0

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