RELATED PARTY TRANSACTIONS

12 Months Ended

Dec. 31, 2020

Related party transactions are conducted in the normal course of business and unless otherwise noted, are measured at the exchange amount, which is the amount of consideration established and agreed to by the related parties.

Our transactions with significantly influenced investees are as follows:


Year ended December 31, 2020	Transportation and Other Services	Operating and Administrative	Commodity Sales	Commodity Costs	Gas Distribution costs
(millions of Canadian dollars)
Alliance Pipeline Limited	—	—	—	81	—
Aux Sable Midstream LLC	—	—	—	2	—
Aux Sable Canada LP	—	—	—	91	—
Seaway Crude Pipeline System	—	342	—	256	—
Alliance Canada Marketing L.P.	—	—	64	17	—
NEXUS Gas Transmission, LLC	69	21	—	—	116
Vector Pipeline L.P.	—	7	—	—	19
Énergir, L.P.	37	—	—	—	—
DCP Midstream, LLC	3	—	24	—	—
Gulfstream Management and Operating Services, LLC	—	4	—	—	—
Sabal Trail Transmission, LLC	—	25	—	—	—
Steckman Ridge	—	4	—	—	—
Noverco	—	—	3	—	—


Year ended December 31, 2019	Transportation and Other Services	Operating and Administrative	Commodity Sales	Commodity Costs	Gas Distribution costs
(millions of Canadian dollars)
Alliance Pipeline Limited	—	—	—	112	—
Aux Sable Midstream LLC	—	—	—	14	—
Aux Sable Canada LP	—	—	61	272	—
Seaway Crude Pipeline System	—	327	—	240	—
Alliance Canada Marketing L.P.	—	—	106	46	—
NEXUS Gas Transmission, LLC	62	17	—	—	114
Vector Pipeline L.P.	—	7	—	—	19
Énergir, L.P.	38	—	—	—	—
DCP Midstream, LLC	4	—	36	—	—
Gulfstream Management and Operating Services, LLC	—	4	—	—	—
Sabal Trail Transmission, LLC	—	23	—	—	—
Steckman Ridge	—	4	—	—	—


Year ended December 31, 2018	Transportation and Other Services	Operating and Administrative	Commodity Sales	Commodity Costs	Gas Distribution costs
(millions of Canadian dollars)
Alliance Pipeline Limited	—	—	—	93	—
Aux Sable Midstream LLC	—	—	—	8	—
Aux Sable Canada LP	—	—	72	189	—
Seaway Crude Pipeline System	—	309	—	149	—
Alliance Canada Marketing L.P.	—	—	125	49	—
NEXUS Gas Transmission, LLC	9	2	—	—	—
Vector Pipeline L.P.	—	7	—	1	20

DCP Midstream, LLC	5	—	52	—	—
Gulfstream Management and Operating Services, LLC	—	5	—	—	—
Sabal Trail Transmission, LLC	—	18	—	—	—
Steckman Ridge	—	4	—	—	—

LONG-TERM NOTES RECEIVABLE FROM AFFILIATES

As at December 31, 2020, amounts receivable from affiliates include a series of loans totaling $1,108 million ($1,023 million as at December 31, 2019), which require quarterly or semi-annual interest payments at annual interest rates ranging from 3% to 8%. These amounts are included in deferred amounts and other assets in the Consolidated Statements of Financial position.