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RELATED PARTY TRANSACTIONS
 12 Months Ended
Dec. 31, 2024
Related Party Transactions [Abstract]  
RELATED PARTY TRANSACTIONS RELATED PARTY TRANSACTIONS
 
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.

We provide transportation services to several significantly influenced investees which we record as transportation and other services revenue. We also purchase and sell natural gas and crude oil with several of our significantly influenced investees. These revenues and costs are recorded as commodity sales and commodity costs. We contract for firm transportation services to meet our annual natural gas supply requirements which we record as gas distribution costs.

Our transactions with significantly influenced investees are as follows:

Year ended December 31,202420232022
(millions of Canadian dollars)
Transportation and other revenues
181 169 185 
Commodity sales
— — 51 
Operating and administrative1
637 625 503 
Commodity costs2
22 63 778 
Gas distribution costs
147 140 136 
1During the years ended December 31, 2024, 2023 and 2022, we had Operating and administrative costs from the Seaway Crude Pipeline System of $650 million, $632 million and $495 million, respectively. These costs are a result of an operational contract where we utilize capacity on Seaway Crude Pipeline System assets for use in our Liquids Pipelines business.
2During the years ended December 31, 2024, 2023 and 2022, we had Commodity costs from Aux Sable Canada LP of nil, $2 million and $571 million, respectively.