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DEBT - Schedule of Long-Term Debt Issuances (Details)
$ in Millions, $ in Millions
 9 Months Ended
Sep. 30, 2025
CAD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Feb. 28, 2025
CAD ($)
Long-Term Debt        
Debt Instrument [Line Items]        
Principal amount $ 4,600 $ 2,800    
Enbridge Gas Inc. | 4.16% Senior Notes Due September 2035        
Debt Instrument [Line Items]        
Interest rate (as percent) 4.16% 4.16%    
Principal amount $ 500      
Enbridge Gas Inc. | 4.84% Senior Notes Due September 2055        
Debt Instrument [Line Items]        
Interest rate (as percent) 4.84% 4.84%    
Principal amount $ 300      
The East Ohio Gas Company | 5.68% Senior Notes Due June 2035        
Debt Instrument [Line Items]        
Interest rate (as percent)     5.68%  
Principal amount     $ 250  
The East Ohio Gas Company | 6.32% Senior Notes Due June 2035        
Debt Instrument [Line Items]        
Interest rate (as percent)     6.32%  
Principal amount     $ 250  
Enbridge Inc. | Floating Rate Medium-Term Notes Due February 2028        
Debt Instrument [Line Items]        
Principal amount       $ 400
Basis spread on variable rate (as percent) 0.85%      
Enbridge Inc. | 3.55% Senior Notes Due February 2028        
Debt Instrument [Line Items]        
Interest rate (as percent)       3.55%
Principal amount       $ 300
Enbridge Inc. | 3.90% Senior Notes Due February 2030        
Debt Instrument [Line Items]        
Interest rate (as percent)       3.90%
Principal amount       $ 800
Enbridge Inc. | 4.56% Senior Notes Due February 2035        
Debt Instrument [Line Items]        
Interest rate (as percent)       4.56%
Principal amount       $ 700
Enbridge Inc. | 5.32% Senior Notes Due August 2054        
Debt Instrument [Line Items]        
Interest rate (as percent)       5.32%
Principal amount       $ 600
Enbridge Inc. | 4.60% Senior Notes Due June 2028        
Debt Instrument [Line Items]        
Interest rate (as percent)     4.60%  
Principal amount     $ 400  
Enbridge Inc. | 4.90% Senior Notes Due June 2030        
Debt Instrument [Line Items]        
Interest rate (as percent)     4.90%  
Principal amount     $ 600  
Enbridge Inc. | 5.55% Senior Notes Due June 2035        
Debt Instrument [Line Items]        
Interest rate (as percent)     5.55%  
Principal amount     $ 900  
Enbridge Inc. | 5.95% Senior Notes Due April 2054        
Debt Instrument [Line Items]        
Interest rate (as percent)     5.95%  
Principal amount     $ 350  
Enbridge Inc. | 5.15% Fixed-to-fixed Subordinated Notes Due December 2055        
Debt Instrument [Line Items]        
Interest rate (as percent)     5.15%  
Principal amount $ 1,000