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UNCONSOLIDATED AFFILIATES (Tables) | 9 Months Ended
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Sep. 30, 2023
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 |  | Nine Months Ended
| September 30, |  | September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
| (Millions of dollars)
Northern Border | $ | 20 |  |  | $ | 17 |  |  | $ | 58 |  |  | $ | 53 |
Overland Pass | 17 |  |  | 10 |  |  | 39 |  |  | 23 |
Roadrunner | 10 |  |  | 10 |  |  | 32 |  |  | 28 |
Other (a) | 2 |  |  | 2 |  |  | 3 |  |  | 7 |
Equity in net earnings from investments | $ | 49 |  |  | $ | 39 |  |  | $ | 132 |  |  | $ | 111 |
(a) - Includes equity in net earnings for the acquired investments from the Magellan Acquisition from the period September 25, 2023 through September 30, 2023.

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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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