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Related Party Transactions
 9 Months Ended
Sep. 30, 2023
Related Party Transactions [Abstract]  
Related Party Transactions Related Party Transactions
Transactions with related parties were as follows:
Three Months Ended 
September 30,		Nine Months Ended 
September 30,
(Millions of dollars)2023202220232022
Sales to related parties$206 $16 $658 $56 
Purchases from related parties484 315 1,275 894 
Sales to related parties, which are included in sales and other operating revenues, consist primarily of refined product sales and renewable feedstock sales to certain of our equity affiliates.
Purchases from related parties are included in cost of revenues. We obtain utilities, transportation services and purchase ethanol and renewable fuels from certain of our equity affiliates.