CHANGE IN OPERATING WORKING CAPITAL (Tables)

6 Months Ended

Jun. 30, 2020

Supplemental Cash Flow Elements [Abstract]

Schedule of change in operating working capital

(unaudited)	Six months ended June 30,
(millions of dollars)	2020	2019
Change in accounts receivable and other (a)	6	15
Change in inventories	—	(1)
Change in other current assets	3	3
Change in accounts payable and accrued liabilities (a)	—	(12)
Change in accounts payable to affiliates	(2)	—
Change in accrued interest	(1)	(1)
Change in operating working capital	6	4

^(a) Excludes certain non-cash items primarily related to capital accruals and credits.