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Related Party Transactions
9 Months Ended
Sep. 30, 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
September 30
Nine Months Ended
September 30
Significant Transactions with Equity Affiliates
2022202120222021
Operating revenues and other income
$21 22 64 63 
Purchases
 1 
Operating expenses and selling, general and administrative expenses
55 45 145 135 
Net interest (income) expense*
 — (1)(2)
*We paid interest to, or received interest from, various affiliates. See Note 4 for information related to loans to equity affiliates.