FINANCIAL CHARGES AND OTHER (Tables)

9 Months Ended

Sep. 30, 2019

FINANCIAL CHARGES AND OTHER

Schedule of components of financial charges and other

	Three months ended		Nine months ended
(unaudited)	September 30,		September 30,
(millions of dollars)	2019	2018	2019	2018
Interest expense (a)	22	23	67	71
PNGTS' amortization of loss on derivative instruments	—	—	—	2
Net realized gain related to the interest rate swaps	—	—	(1)	(2)
Other income	(2)	—	(3)	(2)
	20	23	63	69

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