XML 210 R174.htm IDEA: XBRL DOCUMENT v3.22.4
Employee Salaries and Benefit Expenses - Summary of Employee Salaries and Benefit Expenses (Detail) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Salaries And Employee Benefits [Abstract]      
Salaries, Bonuses and Other Short-Term Employee Benefits $ 1,246 $ 1,327 $ 605
Post-Employment Benefits 92 89 33
Stock-Based Compensation (Note 34) 373 159 49
Other Incentive Benefits Expense (Recovery) (9) 201 (4)
Termination Benefits 27 180 9
Employee Salaries and Benefit Expenses $ 1,729 $ 1,956 $ 692