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UNCONSOLIDATED AFFILIATES (Tables) | 6 Months Ended
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Jun. 30, 2025
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of Equity Method Investments | The following table sets forth our equity in net earnings from investments for the periods indicated:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (Millions of dollars)
Northern Border | $ | 20 |  |  | $ | 22 |  |  | $ | 48 |  |  | $ | 47 |
Overland Pass | 20 |  |  | 23 |  |  | 46 |  |  | 38 |
Saddlehorn | 13 |  |  | 13 |  |  | 26 |  |  | 23 |
BridgeTex | 6 |  |  | 11 |  |  | 22 |  |  | 18 |
Roadrunner | 11 |  |  | 10 |  |  | 21 |  |  | 21 |
Other | 11 |  |  | 9 |  |  | 26 |  |  | 17 |
Equity in net earnings from investments | $ | 81 |  |  | $ | 88 |  |  | $ | 189 |  |  | $ | 164 |

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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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