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OTHER CURRENT ASSETS
 12 Months Ended
Dec. 31, 2019
Other Assets [Abstract]  
OTHER CURRENT ASSETS OTHER CURRENT ASSETS
at December 31
2019

 
2018

(millions of Canadian $)
 
 
 
 
 
Fair value of derivative contracts (Note 25)
190

 
737

Contract assets (Note 5)
153

 
159

Prepaid expenses
60

 
41

Cash provided as collateral
52

 
55

Regulatory assets (Note 11)
43

 
83

Other
129

 
105

 
627

 
1,180