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Related Party Transactions | 6 Months Ended
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Jun. 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 June 30 |  | Six Months Ended June 30
Significant Transactions with Equity Affiliates | 2022 | 2021 |  | 2022 | 2021
Operating revenues and other income | $ | 21 |  | 24 |  |  | 43 |  | 40 |
Purchases | — |  | 3 |  |  | — |  | 3 |
Operating expenses and selling, general and administrative expenses | 44 |  | 63 |  |  | 90 |  | 89 |
Net interest (income) expense* | $ | — |  | — |  |  | (1) |  | (1) |
*We paid interest to, or received interest from, various affiliates. See Note 4 for information related to loans to equity affiliates.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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