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Investments in Unconsolidated Entities (Tables) | 12 Months Ended
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Dec. 31, 2023
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Investments in and Summarized Financial Information for Entities Accounted for under the Equity Method of Accounting | Our investments in unconsolidated entities consisted of the following (in millions, except percentage data):
|  |  |  | Ownership Interest at December 31, 2023 |  | Investment Balance December 31,
Entity (1) |  | Type of Operation |  |  | 2023 |  | 2022
BridgeTex Pipeline Company, LLC (“BridgeTex”) |  | Crude Oil Pipeline |  | 20% |  | $ | 363 |  |  | $ | 403 |
Capline Pipeline Company LLC (“Capline”) |  | Crude Oil Pipeline |  | 54% |  | 535 |  |  | 539 |
Diamond Pipeline LLC |  | Crude Oil Pipeline |  | 50% |  | 450 |  |  | 460 |
Eagle Ford Pipeline LLC |  | Crude Oil Pipeline |  | 50% |  | 370 |  |  | 371 |
Eagle Ford Terminals Corpus Christi LLC |  | Crude Oil Terminal and Dock |  | 50% |  | 116 |  |  | 118 |
OMOG JV LLC (“OMOG”) (2) |  | Crude Oil Pipeline |  | —% |  | — |  |  | 211 |
Saddlehorn Pipeline Company, LLC |  | Crude Oil Pipeline |  | 30% |  | 192 |  |  | 197 |
White Cliffs Pipeline, LLC |  | Crude Oil Pipeline |  | 36% |  | 138 |  |  | 150 |
Wink to Webster Pipeline LLC (“W2W Pipeline”) (3) |  | Crude Oil Pipeline |  | 16% |  | 380 |  |  | 357 |
Other investments |  |  |  |  |  | 276 |  |  | 278 |
Total Investments in Unconsolidated Entities |  |  |  |  |  | $ | 2,820 |  |  | $ | 3,084 |
(1)The financial results from these entities are reported in our Crude Oil segment. (2)In the third quarter of 2023, we acquired the remaining 43% interest in OMOG. We now reflect OMOG and its subsidiaries as consolidated subsidiaries in our Consolidated Financial Statements. See Note 7 for additional information. (3)Although we own less than 20% of W2W Pipeline, we use the equity method to account for the investment because we believe we have significant influence over the financial and operating decisions of the company. Combined summarized financial information for all of our unconsolidated entities is shown in the tables below (in millions). None of our unconsolidated entities have noncontrolling interests.
| December 31,
| 2023 |  | 2022
Current assets | $ | 528 |  |  | $ | 471 |
Noncurrent assets | $ | 7,194 |  |  | $ | 7,579 |
Current liabilities | $ | 476 |  |  | $ | 252 |
Noncurrent liabilities | $ | 5 |  |  | $ | 8 |
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
Revenues | $ | 1,667 |  |  | $ | 1,726 |  |  | $ | 1,320 |
Operating income | $ | 921 |  |  | $ | 1,004 |  |  | $ | 505 |
Net income | $ | 947 |  |  | $ | 1,011 |  |  | $ | 506 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
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