v3.26.1
DEBT - Narrative (Details) - CAD ($)
$ in Millions
1 Months Ended 6 Months Ended
Jul. 31, 2026
Jun. 30, 2026
Dec. 31, 2025
Line of Credit Facility [Line Items]      
Increase (decrease) from cumulative fair value adjustments   $ (449) $ (430)
Commercial Paper and Credit Facility Draws      
Line of Credit Facility [Line Items]      
Long term debt current   12,800 12,100
Fixed To Floating Subordinated Term Notes | Subordinated Term Notes      
Line of Credit Facility [Line Items]      
Subordinated debt   16,400 16,000
Committed Credit Facilities      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 23,212  
Term out option period (in years)   1 year  
Unutilized amount of facility   $ 8,864  
Uncommitted Demand Credit Facilities      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   1,600 1,600
Unutilized amount of facility   $ 885 $ 932
Commitment fee (as percent)   0.10%  
Enbridge Gas Inc. | Committed Credit Facilities      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 2,500  
Maturity   Dec. 31, 2027  
Unutilized amount of facility   $ 930  
Enbridge Pipelines Inc. | Committed Credit Facilities      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 2,000  
Maturity   Dec. 31, 2027  
Unutilized amount of facility   $ 4  
Minimum | Uncommitted Demand Credit Facilities      
Line of Credit Facility [Line Items]      
Maturity   Dec. 31, 2027  
Maximum | Uncommitted Demand Credit Facilities      
Line of Credit Facility [Line Items]      
Maturity   Dec. 31, 2049  
Subsequent Event | Revolving Credit Facility | 364-Day Extendible Credit Facility      
Line of Credit Facility [Line Items]      
Term of credit facility 364 days    
Maturity Jul. 31, 2028    
Term out option period (in years) 1 year    
Subsequent Event | Revolving Credit Facility | Five-Year Credit Facilities      
Line of Credit Facility [Line Items]      
Term of credit facility 5 years    
Maturity Jul. 31, 2031    
Subsequent Event | Revolving Credit Facility | Three-Year Credit Facilities      
Line of Credit Facility [Line Items]      
Term of credit facility 3 years    
Maturity Jul. 31, 2029