XML 135 R106.htm IDEA: XBRL DOCUMENT v3.19.1
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION - Liabilities Arising From Financing Activities (Details) - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2016
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Liabilities arising from financing activities, beginning balance $ 22,319  
Changes in liabilities arising from financing activities [abstract]    
Issue of long-term debt (2,831) $ 6,622
Settlement of hedge instruments, net   124
Non-cash changes 774 (747)
Liabilities arising from financing activities, ending balance 20,262 16,320
Long-term debt    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Liabilities arising from financing activities, beginning balance 22,458  
Changes in liabilities arising from financing activities [abstract]    
Issue of long-term debt (2,831) 6,622
Settlement of hedge instruments, net   0
Non-cash changes 996 (969)
Liabilities arising from financing activities, ending balance 20,623 16,805
Cash flow hedges on US dollar debt securities    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Liabilities arising from financing activities, beginning balance (139)  
Changes in liabilities arising from financing activities [abstract]    
Issue of long-term debt 0 0
Settlement of hedge instruments, net   124
Non-cash changes (222) 222
Liabilities arising from financing activities, ending balance $ (361) $ (485)