Related Party Transactions |
12 Months Ended |
|---|---|
Dec. 31, 2021 | |
| Related Party Transactions [Abstract] | |
| Related Party Transactions | Note 21—Related Party Our related parties primarily include equity method For disclosures on trusts for Significant transactions with our equity Millions of Dollars 2021 2020 2019 Operating revenues and other income $ 88 79 89 Purchases 5 - 38 Operating expenses and selling, general 196 63 65 Net interest income* (2) (5) (13) *We paid interest to, or received interest from, various affiliates. |