XML 197 R168.htm IDEA: XBRL DOCUMENT v3.22.4
Interests in Structured Entities - Schedule Investment and Maximum Exposure to Loss Related to Significant Unconsolidated Structured Entities (Detail) - Unconsolidated structured entities [Member] - Investment SEs [Member] - CAD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment $ 5,121 $ 4,812
Company's maximum exposure to loss 5,121 4,812
Leveraged leases [Member]    
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment 3,840 3,457
Company's maximum exposure to loss 3,840 3,457
Timberland companies [Member]    
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment 816 842
Company's maximum exposure to loss 816 842
Real estate companies [Member]    
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment 465 513
Company's maximum exposure to loss $ 465 $ 513