Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2025

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Common Share

Computation of basic and diluted earnings per common share
(In millions, except per share data)	Three months ended March 31,
	2025		2024
Numerator:
Net income	$	596	$	1,198
Less: Net income (loss) attributable to noncontrolling interest	1		(20)
Net income attributable to Allstate	595		1,218
Less: Preferred stock dividends	29		29
Net income applicable to common shareholders	$	566	$	1,189
Denominator:
Weighted average common shares outstanding	265.3		263.5
Effect of dilutive potential common shares:
Stock options	2.6		2.5
Restricted stock units (non-participating) and performance stock awards	0.9		0.5
Weighted average common and dilutive potential common shares outstanding	268.8		266.5
Earnings per common share - Basic	$	2.13	$	4.51
Earnings per common share - Diluted	$	2.11	$	4.46
Anti-dilutive options excluded from diluted earnings per common share	0.2		0.7