v3.26.1
Earnings per Common Share - Reconciliation of Number of Common Shares Used in Calculating Basic and Diluted Net Earnings Per Share (Detail) - shares
shares in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Anti-dilutive shares excluded from calculation 0.4 0.6