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Interest Expense, Net (Tables)
12 Months Ended
Dec. 31, 2016
Interest Income (Expense), Net [Abstract]  
Interest Income and Interest Expense Disclosure [Table Text Block]
Interest expense, net consisted of the following:
For theYear ended December 31
millions of Canadian dollars20162015
Interest on debt $ 443$ 193
Beneficial conversion feature (note 10) 62 -
Interest on Convertible Debentures (note 10) 65 23
Interest on acquisition credit facility related to the TECO Energy acquisition (note 4) 11 -
Allowance for borrowed funds used during construction (13) (4)
Interest revenue (2) (6)
Other 19 6
$ 585$ 212