Earnings per Share ("EPS") and Diluted Earnings per Share ("Diluted EPS") - Summary of Diluted EPS Calculated Based on Weighted Average Number of Shares Outstanding (Detail) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Earnings per share [line items] | ||||
| Basic weighted average number of shares outstanding | 454,133 | 453,889 | 454,089 | 453,791 |
| Diluted weighted average number of shares outstanding | 454,991 | 454,663 | 454,973 | 454,550 |
| Share purchase options [member] | ||||
| Earnings per share [line items] | ||||
| Effect of dilutive securities | 632 | 497 | 651 | 456 |
| Restricted share units [member] | ||||
| Earnings per share [line items] | ||||
| Effect of dilutive securities | 226 | 277 | 233 | 303 |