XML 162 R135.htm IDEA: XBRL DOCUMENT v3.24.0.1
Other Liabilities - Narrative (Details) - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of information about consolidated structured entities [line items]    
Increase in contingent liability $ 48 $ 96
Interest expense on borrowings 167 52
Borrowed funds    
Disclosure of information about consolidated structured entities [line items]    
Interest expense on borrowings $ 14 $ 15