Capital Stock - Summary of Weighted Average Valuation Assumptions - Options Granted (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value (dollars per share)	$ 91.13	$ 96.96
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.00%	0.00%
Expected stock price volatility	35.00%	34.00%
Risk-free interest rate	4.30%	1.80%
Expected life of options	5 years 3 months 18 days	5 years 3 months 18 days
Weighted-average grant-date fair value (dollars per share)	$ 35.93	$ 32.55