CHANGE IN OPERATING WORKING CAPITAL (Tables)

3 Months Ended

Mar. 31, 2019

CHANGE IN OPERATING WORKING CAPITAL

Schedule of change in operating working capital

(unaudited)	Three months ended March 31,
(millions of dollars)	2019	2018
Change in accounts receivable and other	7	—
Change in inventories	(1)	—
Change in other current assets	2	(3)
Change in accounts payable and accrued liabilities	(4)	—
Change in accounts payable to affiliates	1	—
Change in accrued interest	8	9
Change in operating working capital	13	6