CHANGE IN OPERATING WORKING CAPITAL (Tables)

9 Months Ended

Sep. 30, 2020

Supplemental Cash Flow Elements [Abstract]

Schedule of change in operating working capital

(unaudited)	Nine months ended September 30,
(millions of dollars)	2020	2019
Change in accounts receivable and other (a)	5	16
Change in inventories	—	(1)
Change in other current assets	3	4
Change in accounts payable and accrued liabilities (a)	3	(11)
Change in accounts payable to affiliates (a)	(2)	—
Change in accrued interest	8	8
Change in operating working capital	17	16

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