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OTHER CURRENT ASSETS
 12 Months Ended
Dec. 31, 2015
Other Assets [Abstract]  
OTHER CURRENT ASSETS
OTHER CURRENT ASSETS
at December 31
 
 
2014

(millions of Canadian $)
2015

 
 
 
 
 
Cash held as collateral
585

 
423

Fair value of derivative contracts (Note 23)
442

 
409

Regulatory assets (Note 9)
85

 
16

Assets held for sale (Note 6)
20

 
—

Other
221

 
170

 
1,353

 
1,018