Related Party Transactions |
6 Months Ended |
|---|---|
Jun. 30, 2021 | |
| Related Party Transactions [Abstract] | |
| Related Party Transactions | Note 15—Related Party Transactions Our related parties primarily include equity method Significant transactions with our equity affiliates Millions of Dollars Three Months Ended Six Months Ended June 30 June 30 2021 2020 2021 2020 Operating revenues and other income $ 24 21 40 38 Purchases 3 - 3 - Operating expenses and selling, general and administrative expenses 63 12 89 27 Net interest (income) expense* - (2) (1) (4) *We paid interest to, or received interest from, |