v3.6.0.2
VARIABLE INTEREST ENTITIES - CONSOLIDATED (Details) - CAD
CAD in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Assets        
Cash and cash equivalents CAD 2,117 CAD 1,015 CAD 1,261 CAD 756
Restricted cash 68 34    
Accounts receivable and other 4,978 5,430    
Accounts receivable from affiliates 14 7    
Inventory 1,233 1,111    
Total Current assets 8,410 7,597    
Property, plant and equipment, net 64,284 64,434    
Long-term investments 6,836 7,008    
Restricted long-term investments 90 49    
Deferred amounts and other assets 3,113 3,160    
Intangible assets, net 1,573 1,348    
Goodwill 78 80 CAD 483  
Deferred income taxes 1,170 839    
Assets held for sale 278      
Total Assets 85,832 84,515    
Liabilities        
Bank indebtedness 623 361    
Accounts payable and other 7,295 7,351    
Accounts payable to affiliates 122 48    
Interest payable 333 324    
Environmental liabilities 142 141    
Current maturities of long-term debt 4,100 1,990    
Total Current liabilities 12,966 10,814    
Long-term debt 36,494 39,391    
Other long-term liabilities 4,981 6,056    
Deferred income taxes 6,036 5,915    
Total Liabilities 60,477 62,176    
Variable Interest Entity, Primary Beneficiary        
Assets        
Cash and cash equivalents 486 362    
Restricted cash   26    
Accounts receivable and other 781 972    
Accounts receivable from affiliates 3 29    
Inventory 53 54    
Total Current assets 1,323 1,443    
Property, plant and equipment, net 45,720 45,882    
Long-term investments 954 1,005    
Restricted long-term investments 83 45    
Deferred amounts and other assets 1,949 1,806    
Intangible assets, net 488 525    
Goodwill 29 29    
Deferred income taxes 231 267    
Assets held for sale 278      
Total Assets 51,055 51,002    
Liabilities        
Bank indebtedness 172 33    
Accounts payable and other 1,446 2,077    
Accounts payable to affiliates 105 92    
Interest payable 204 202    
Environmental liabilities 140 139    
Current maturities of long-term debt 342 760    
Total Current liabilities 2,409 3,303    
Long-term debt 20,176 19,998    
Other long-term liabilities 1,207 1,340    
Deferred income taxes 1,753 1,253    
Total Liabilities 25,545 25,894    
Net assets before noncontrolling interest CAD 25,510 CAD 25,108    
Enbridge Energy Partners, L.P.        
VARIABLE INTEREST ENTITY        
Economic interest (as a percent) 35.30% 35.70% 33.70%  
Enbridge Income Partners LP        
VARIABLE INTEREST ENTITY        
Economic interest (as a percent) 79.10%      
Direct common interest (as a percent) 54.20%      
The Fund        
VARIABLE INTEREST ENTITY        
Economic interest (as a percent) 86.90% 89.20% 66.40%  
Direct common interest (as a percent) 43.20% 49.20% 11.90%  
Other Limited Partnerships        
VARIABLE INTEREST ENTITY        
Direct common interest (as a percent) 100.00%      
Enbridge Energy Company, Inc.        
VARIABLE INTEREST ENTITY        
Ownership percentage in subsidiary 100.00%      
Enbridge Income Partners LP | Alliance Pipeline        
VARIABLE INTEREST ENTITY        
Ownership interest (as a percent) 50.00%      
Enbridge Management Services Inc.        
VARIABLE INTEREST ENTITY        
Ownership percentage in subsidiary 100.00%