Equity-Based Compensation - Assumptions (Detail) - Employee Stock Option - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity-Based Compensation
Fair value of stock options granted	$ 43	$ 32.82	$ 26.44
Expected option life	4 years 4 months 24 days	4 years 7 months 6 days	4 years 8 months 12 days
Expected volatility	20.70%	22.30%	23.40%
Expected dividend yield	1.50%	1.90%	1.80%
Risk-free interest rate	4.20%	4.40%	1.60%