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ACCOUNTS PAYABLE AND OTHER (Tables)
12 Months Ended
Dec. 31, 2019
Payables and Accruals [Abstract]  
Schedule of Accounts Payable and Other
at December 31
2019

 
2018

(millions of Canadian $)
 
 
 
 
Trade payables
3,314

 
3,224

Regulatory liabilities (Note 11)
696

 
591

Fair value of derivative contracts (Note 25)
115

 
922

Unredeemed shares of Columbia Pipeline Group, Inc.

 
357

Other
419

 
314

 
4,544

 
5,408