Stock-Based Compensation Plans - Assumptions Used for the Black-Scholes Option-Pricing Model to Determine the Per Share Weighted Average Fair Value for Options Granted (Detail)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]
Expected life (years)	5 years	4 years 8 months 12 days	5 years
Risk-free interest rate	4.20%	4.00%	3.60%
Expected volatility	38.20%	39.20%	35.80%
Expected dividend yield	1.50%	1.30%	0.80%