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Receivables, Net
12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
RECEIVABLES, NET
13. RECEIVABLES, NET
Receivables, net consisted of the following:
As atDecember 31December 31
millions of Canadian dollars 20162015
Customer accounts receivable – billed$ 715$ 406
Customer accounts receivable – unbilled 270 144
Total customer accounts receivable 985 550
Allowance for doubtful accounts (13) (12)
Customer accounts receivable, net 972 538
Other 42 40
$ 1,014$ 578