ACCOUNTS RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2017

Subclassifications of assets, liabilities and equities [abstract]

Schedule of Receivables

	As at December 31
(In millions of dollars)	2017		2016
Customer accounts receivable	1,515		1,455
Other accounts receivable	587		553
Allowance for doubtful accounts	(61	)	(59	)
Total accounts receivable	2,041		1,949