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DEBT - Schedule of Committed Credit Facilities (Details) - Committed credit facilities
$ in Millions
Dec. 31, 2020
CAD ($)
DEBT  
Total facilities $ 23,861
Draws 11,610
Available 12,251
Enbridge (U.S.) Inc.  
DEBT  
Total facilities 7,007
Draws 492
Available 6,515
Enbridge Pipelines Inc.  
DEBT  
Total facilities 3,000
Draws 1,278
Available 1,722
Union Gas Limited  
DEBT  
Total facilities 2,000
Draws 1,121
Available 879
Enbridge Inc.  
DEBT  
Total facilities 11,854
Draws 8,719
Available $ 3,135