RELATED PARTY TRANSACTIONS (Tables)

6 Months Ended

Jun. 30, 2019

RELATED PARTY TRANSACTIONS

Summary of capital and operating costs charged to pipeline systems by related party

	Three months ended		Six months ended
(unaudited)	June 30,		June 30,
(millions of dollars)	2019	2018	2019	2018
Capital and operating costs charged by TC Energy’s subsidiaries to:
Great Lakes (a)	12	16	23	24
Northern Border (a)	10	9	19	18
GTN	11	8	21	16
Bison	—	1	1	3
North Baja	2	1	3	2
Tuscarora	1	1	2	2
PNGTS (a)	1	2	3	4
Impact on the Partnership’s net income:
Great Lakes	5	7	10	11
Northern Border	5	4	9	8
GTN	8	7	16	14
Bison	—	1	1	3
North Baja	1	1	2	2
Tuscarora	1	1	2	2
PNGTS	1	1	2	2

(a) Represents 100 percent of the costs.

Summary of amount payable to related party for costs charged

(unaudited)
(millions of dollars)	June 30, 2019	December 31, 2018
Net amounts payable to TC Energy’s subsidiaries are as follows:
Great Lakes (a)	5	3
Northern Border (a)	4	3
GTN	4	4
Bison	—	1
North Baja	1	—
Tuscarora	—	1
PNGTS (a)	1	1

(a) Represents 100 percent of the costs.