Share-Based Payments - Schedule of Valuation Assumptions (Detail)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Total Shareholder Return Units (TSRUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	3.80%	3.42%	4.51%
Risk-free interest rate	4.08%	1.87%	0.93%
Expected stock price volatility	23.23%	29.20%	26.53%
Contractual term/expected term	5 years 1 month 24 days	5 years 2 months 1 day	5 years 1 month 24 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	3.80%	3.42%	4.51%
Risk-free interest rate	4.03%	1.93%	1.27%
Expected stock price volatility	23.23%	29.21%	26.54%
Contractual term/expected term	6 years 6 months	6 years 6 months	6 years 9 months