Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2018

Related Party Transactions [Abstract]

Significant transactions with related parties

Note 19—Related Party Transactions
Our related parties primarily include equity method investments and certain trusts for the benefit of employees.
Significant transactions with our equity affiliates were:
		Millions of Dollars
		Three Months Ended			Nine Months Ended
		September 30			September 30
		2018		2017	2018	2017
Operating revenues and other income		$	27	24	74	83
Purchases			25	26	74	74
Operating expenses and selling, general and administrative
	expenses		13	16	44	42
Net interest (income) expense*			(4)	(4)	(11)	(10)
*We paid interest to, or received interest from, various affiliates. See Note 6—Investments, Loans and Long-Term Receivables, for additional
information on loans to affiliated companies.