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Related Party Transactions
3 Months Ended
Mar. 31, 2022
Related Party Transactions [Abstract]  
Related Party Transactions
Note 15—Related Party Transactions
Our related parties primarily include equity method investments and certain trusts for the benefit of employees.

Millions of Dollars

Three Months Ended
March 31
Significant Transactions with Equity Affiliates
20222021
Operating revenues and other income
$22 17 
Operating expenses and selling, general and administrative expenses
46 26 
Net interest (income) expense*
$ (1)
*We paid interest to, or received interest from, various affiliates. See Note 4 for information related to loans to equity affiliates.