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Related Party Transactions (Tables)
 6 Months Ended
Jun. 30, 2025
Related Party Transactions [Abstract]  
Related Party Transactions
Transactions with related parties were as follows:
Three Months Ended 
June 30,		Six Months Ended 
June 30,
(Millions of dollars)2025202420252024
Sales to related parties$326 $227 $646 $498 
Purchases from related parties707 574 1,412 1,154 
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 diesel from certain of our equity affiliates.