FINANCIAL CHARGES AND OTHER (Tables)

6 Months Ended

Jun. 30, 2019

FINANCIAL CHARGES AND OTHER

Schedule of components of financial charges and other

	Three months ended		Six months ended
(unaudited)	June 30,		June 30,
(millions of dollars)	2019	2018	2019	2018
Interest expense (a)	22	24	45	48
PNGTS' amortization of loss on derivative instruments	—	2	—	2
Net realized gain related to the interest rate swaps	—	(1)	(1)	(2)
Other income	(1)	(2)	(1)	(2)
	21	23	43	46

(a) Includes amortization of debt issuance costs and discount costs.