XML 187 R162.htm IDEA: XBRL DOCUMENT v3.10.0.1
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, 2018
Dec. 31, 2017
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment $ 4,929 $ 4,370
Company's maximum exposure to loss 4,962 4,420
Leveraged leases [Member]    
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment 3,575 3,273
Company's maximum exposure to loss 3,575 3,273
Timberland companies [Member]    
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment 788 736
Company's maximum exposure to loss 821 786
Real estate companies [Member]    
Disclosure of unconsolidated structured entities [Line Items]    
Company's investment 566 361
Company's maximum exposure to loss $ 566 $ 361