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ACCOUNTS PAYABLE AND OTHER
 12 Months Ended
Dec. 31, 2016
Payables and Accruals [Abstract]  
ACCOUNTS PAYABLE AND OTHER
ACCOUNTS PAYABLE AND OTHER
at December 31
2016

 
2015

(millions of Canadian $)
 
 
 
 
Trade payables
2,443

 
1,506

Fair value of derivative contracts (Note 24)
607

 
926

Unredeemed shares of Columbia
317

 
—

Regulatory liabilities (Note 10)
178

 
44

Other
331

 
185

 
3,876

 
2,661