v3.26.3
Earnings per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Numerator:        
Net income $ 2,080 $ 3,744 $ 7,809 $ 6,439
Less: Net income (loss) attributable to noncontrolling interest 1 (2) 2 (11)
Net income attributable to Allstate 2,079 3,746 7,807 6,450
Less: Preferred stock dividends 29 29 88 88
Net income applicable to common shareholders, basic 2,050 3,717 7,719 6,362
Net income applicable to common shareholders, diluted $ 2,050 $ 3,717 $ 7,719 $ 6,362
Denominator:        
Weighted average common shares outstanding (in shares) 251.6 263.1 255.6 264.3
Effect of dilutive potential common shares        
Stock options (in shares) 2.5 2.3 2.3 2.5
Restricted stock units (non-participating) and performance stock awards (in shares) 1.2 1.0 1.2 1.0
Weighted average common and dilutive potential common shares outstanding (in shares) 255.3 266.4 259.1 267.8
Earnings per common share:        
Earnings per common share - Basic (in dollars per share) $ 8.15 $ 14.13 $ 30.20 $ 24.07
Earnings per common share - Diluted (in dollars per share) $ 8.03 $ 13.95 $ 29.79 $ 23.76
Anti-dilutive share-based awards excluded from diluted earnings per common share (in shares) 0.0 0.5 0.4 0.4