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RELATED PARTY TRANSACTIONS (Tables)
 12 Months Ended
Dec. 31, 2022
Related Party Transactions [Abstract]  
Schedule of Our Transactions with Equity Investees
Our transactions with significantly influenced investees are as follows:
Year ended December 31,202220212020
(millions of Canadian dollars)
Transportation and other revenues185 237 219 
Commodity sales51 20 21 
Operating and administrative1
503 380 338 
Commodity costs2
778 790 518 
Gas distribution costs136 131 135 
1During the years ended December 31, 2022, 2021 and 2020, we had Operating and administrative costs from the Seaway Crude Pipeline System of $495 million, $389 million and $342 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, 2022, 2021 and 2020, we had Commodity costs from Aux Sable Canada LP of $571 million, $447 million and $91 million, respectively.