v3.24.3
Goodwill and other intangible assets - Summary of Terminal Growth Rates and Pre-tax Discount Rates Used in Discounted Cash Flow Models (Detail)
Aug. 01, 2024
Aug. 01, 2023
Personal Banking – Canada [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 11.70% 11.70%
Terminal growth rate 3.00% 3.00%
Caribbean Banking [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 13.70% 12.90%
Terminal growth rate 3.50% 3.50%
Commercial Banking [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 11.70% 11.70%
Terminal growth rate 3.00% 3.00%
Canadian Wealth Management [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 12.50% 12.50%
Terminal growth rate 3.00% 3.00%
Global asset management [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 12.40% 12.50%
Terminal growth rate 3.00% 3.00%
U.S. Wealth Management (including City National) [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 12.60% 12.50%
Terminal growth rate 3.00% 3.00%
International Wealth Management [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 12.30% 12.50%
Terminal growth rate 3.00% 3.00%
Investor Services [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 12.50% 12.40%
Terminal growth rate 3.00% 3.00%
Insurance [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 12.50% 12.40%
Terminal growth rate 3.00% 3.00%
Capital Markets [member]    
Disclosure of information for cash-generating units [line items]    
Discount rate 12.70% 12.70%
Terminal growth rate 3.00% 3.00%