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OTHER CURRENT ASSETS (Tables)
12 Months Ended
Dec. 31, 2016
Other Assets [Abstract]  
Schedule of Other Current Assets
at December 31
2016

 
2015

(millions of Canadian $)
 
 
 
 
 
Fair value of derivative contracts (Note 24)
376

 
442

Cash provided as collateral
313

 
590

Prepaid expenses
131

 
132

Regulatory assets (Note 10)
33

 
85

Other1
55

 
89

 
908

 
1,338