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DEBT - Credit Facilities Narrative (Details)
 1 Months Ended 12 Months Ended
Sep. 08, 2023
CAD ($)
Sep. 30, 2023
CAD ($)
Jul. 31, 2023
CAD ($)
Mar. 31, 2023
CAD ($)
Dec. 31, 2023
CAD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Sep. 30, 2023
USD ($)
Feb. 28, 2023
CAD ($)
Dec. 31, 2022
CAD ($)
Line of Credit Facility [Line Items]                    
Long-term debt         $ 74,715,000,000         $ 72,939,000,000
Principal amount         3,900,000,000   $ 8,500,000,000      
Extinguishment of debt         1,400,000,000 $ 2,500,000,000        
Public Offering                    
Line of Credit Facility [Line Items]                    
Shares issued, net of issue costs $ 4,600,000,000 $ 4,600,000,000                
Enbridge Gas Inc.                    
Line of Credit Facility [Line Items]                    
Credit facility capacity         2,500,000,000          
Unutilized credit facility         2,100,000,000          
Enbridge Pipelines Inc.                    
Line of Credit Facility [Line Items]                    
Credit facility capacity         2,000,000,000          
Unutilized credit facility         1,551,000,000          
Enbridge Inc.                    
Line of Credit Facility [Line Items]                    
Credit facility capacity         8,876,000,000          
Unutilized credit facility         5,699,000,000          
Commercial paper and credit facility draws                    
Line of Credit Facility [Line Items]                    
Long-term debt         3,800,000,000         10,500,000,000
Committed credit facilities                    
Line of Credit Facility [Line Items]                    
Credit facility capacity         $ 21,749,000,000          
Term out option period         1 year 1 year        
Unutilized credit facility         $ 17,053,000,000          
Committed credit facilities | 364-Day Extendible Credit Facility | Enbridge Gas Inc.                    
Line of Credit Facility [Line Items]                    
Term of credit facility       364 days            
Credit facility capacity       $ 2,500,000,000         $ 2,000,000,000  
Term out option period       1 year            
Committed credit facilities | 364-Day Extendible Credit Facility | Enbridge Pipelines Inc.                    
Line of Credit Facility [Line Items]                    
Term of credit facility     364 days              
Term out option period     1 year              
Committed credit facilities | Senior Unsecured Bridge Term Loan                    
Line of Credit Facility [Line Items]                    
Credit facility capacity               $ 9,400,000,000    
Unutilized credit facility             $ 0      
Revolving Credit Facility | 364-Day Extendible Credit Facility                    
Line of Credit Facility [Line Items]                    
Term of credit facility     364 days              
Credit facility capacity     $ 6,800,000,000              
Term out option period     1 year              
Revolving Credit Facility | Sustainability-linked Credit Facility                    
Line of Credit Facility [Line Items]                    
Term of credit facility     5 years              
Revolving Credit Facility | Term Loan Maturing In July 2026                    
Line of Credit Facility [Line Items]                    
Term of credit facility     3 years              
Term Loan Maturing In May 2025 | Five-Year Credit Facilities                    
Line of Credit Facility [Line Items]                    
Credit facility capacity     $ 7,600,000,000              
Uncommitted Credit Facilities                    
Line of Credit Facility [Line Items]                    
Credit facility capacity         1,100,000,000         1,300,000,000
Unutilized credit facility         $ 572,000,000         $ 689,000,000
Weighted average standby fee (as a percent)         0.10% 0.10%